Add an AI size recommender and smart size charts to product pages so shoppers buy with confidence. Measmerize asks shoppers a few questions (such as height, weight, and age), builds a 3D Digital Twin of their body, and compares it with your garment measurements, size charts, and product data to recommend a size. Advice starts from product data, so new items get accurate size recommendations at launch with no purchase history. It covers apparel, footwear, and kidswear with product-level size charts and a size guide in 25+ languages, and it follows each Measmerize asks shoppers a few questions (such as height, weight, and age), builds a 3D Digital Twin of their body, and compares it with your garment measurements, size charts, and product data to recommend a size. Advice starts from product data, so new items get accurate size recommendations at launch with no purchase history. It covers apparel, footwear, and kidswear with product-level size charts and a size guide in 25+ languages, and it follows each more Size recommender and fit finder for apparel, footwear, and kidswear Product-level size charts you can create or upload, then assign to products Accurate advice for new products at launch, built from your garment data Preset layouts plus full control of fonts, colors, and button copy Analytics dashboard showing size advice usage and the sales it influences
Unit conversion Shopify Apps
Find top-rated Unit conversion tools for Shopify. Explore 20+ apps with detailed reviews, pricing information, and feature comparisons.
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Help customers visualize size with real-world references MeasureIt makes product dimensions easier to understand by converting abstract numbers into real-world comparisons. Instead of leaving customers guessing, it gives them familiar size references, so they can visualize products instantly. From small to large items, MeasureIt adds context, builds confidence, and helps shoppers pick the size without confusion. MeasureIt makes product dimensions easier to understand by converting abstract numbers into real-world comparisons. Instead of leaving customers guessing, it gives them familiar size references, so they can visualize products instantly. From small to large items, MeasureIt adds context, builds confidence, and helps shoppers pick the size without confusion. more Show dimensions compared to familiar objects Quick setup—no coding, works smoothly with Shopify themes Customize look and language to align with your store Scales from small to very large product sizes with ease Adds context so shoppers understand size before choosing
Add a pop-up size chart to product pages, ensuring customers choose the correct size. Enhance product pages with a pop-up size chart button to help customers choose the correct size. Easy to install and customize, it integrates seamlessly with your store's design. Provide clear, detailed size information in an interactive pop-up. Reduce size-related returns and improve customer satisfaction. Lightweight and SEO-friendly, it maintains your store's performance. Improve purchasing decisions and create a more reliable shopping experience with this essential tool for apparel stores. Enhance product pages with a pop-up size chart button to help customers choose the correct size. Easy to install and customize, it integrates seamlessly with your store's design. Provide clear, detailed size information in an interactive pop-up. Reduce size-related returns and improve customer satisfaction. Lightweight and SEO-friendly, it maintains your store's performance. Improve purchasing decisions and create a more reliable shopping experience with this essential tool for apparel stores. more Easy to install, adding a pop-up size chart button to your product pages Blends seamlessly with your store’s design, ensuring a consistent look and feel Use text table or Image pop up content, allowing precise size charts control Lightweight and SEO-friendly, maintaining your store’s performance and speed Helps customers select the correct size, reducing size-related returns
Optimize sizing across the apparel supply-chain powered by advanced artificial intelligence. Say goodbye to missed sales opportunities from sizing related cart-abandonment, returns, stock-outs, and dead inventory. As your brand's ✨ in-house AI fit expert ✨, Modi helps curb size uncertainty to turn browsers into shoppers with virtual fitting technology, includes a data dashboard that provides insight on customer fit profiles and sizing demand for better inventory planning, and harnesses post-purchase feedback to improve size charts & recommendations in real-time. Say goodbye to missed sales opportunities from sizing related cart-abandonment, returns, stock-outs, and dead inventory. As your brand's ✨ in-house AI fit expert ✨, Modi helps curb size uncertainty to turn browsers into shoppers with virtual fitting technology, includes a data dashboard that provides insight on customer fit profiles and sizing demand for better inventory planning, and harnesses post-purchase feedback to improve size charts & recommendations in real-time. more Provide shoppers with personalized fit guidance using virtual fitting technology Get post-purchase feedback to build social proof & improve fit recommendations Get insights on shopper fit profiles, return rates, and size-related stock-outs Improve SKU-level size chart information in real-time
Reduce returns with customizable size charts, size guide & AI size recommender Sizing confusion costs apparel sales. When shoppers aren't sure about fit, they leave or return. MP Size Chart adds customizable size charts and size guides to Shopify product pages for fashion, footwear, jewelry & pets. Add size charts with images, videos & tabs. Import size charts in bulk via CSV. Use 30+ size chart templates, auto unit conversion and a dedicated size guide page. AI size recommendations guide shoppers to the right fit. Switching apps? We'll migrate your size charts for free. Sizing confusion costs apparel sales. When shoppers aren't sure about fit, they leave or return. MP Size Chart adds customizable size charts and size guides to Shopify product pages for fashion, footwear, jewelry & pets. Add size charts with images, videos & tabs. Import size charts in bulk via CSV. Use 30+ size chart templates, auto unit conversion and a dedicated size guide page. AI size recommendations guide shoppers to the right fit. Switching apps? We'll migrate your size charts for free. more 30+ size chart templates for apparel, footwear, jewelry & pets — quick setup Bulk import size charts via CSV — no manual entry Size guide display options — floating, inline, dropdown, or next to size 20+ languages, unit conversion & multiple size labels for global stores AI size recommender & fit finder — shoppers get their right size instantly
Create custom size charts that match your brand. Easy setup, fast loading, flexible rules. Build custom size charts that reduce returns and improve customer confidence. Use the size chart builder to create size guides with 10 module types, custom colors, fonts, and layouts that match your store perfectly. Easily import existing size data or export size charts for backup. Target size charts to specific products, collections, vendors, or product types. Professional design loads instantly without slowing down your store performance. Optimised and mobile ready. Build custom size charts that reduce returns and improve customer confidence. Use the size chart builder to create size guides with 10 module types, custom colors, fonts, and layouts that match your store perfectly. Easily import existing size data or export size charts for backup. Target size charts to specific products, collections, vendors, or product types. Professional design loads instantly without slowing down your store performance. Optimised and mobile ready. more Drag & drop chart builder with 10 module types, custom colors, fonts and layouts Smart targeting for products, collections, vendors, and product types Import/export functionality for easy data management and backup Lightweight design that maintains store performance Flexible button placement anywhere on product pages
Stop size-related returns & boost sales with fast and easy to create size charts. Create clean, custom sizing charts that eliminate sizing confusion and prevent returns. Our intuitive builder lets you easily add images, text, and links for better sizing guidance. Assign multiple size charts per product. Auto unit conversion ensures customers see measurements in their preferred unit system (in/cm). The app loads sizecharts instantly, without slowing down your store. Support for multiple languages and Shopify Markets makes your size guides accessible globally. Create clean, custom sizing charts that eliminate sizing confusion and prevent returns. Our intuitive builder lets you easily add images, text, and links for better sizing guidance. Assign multiple size charts per product. Auto unit conversion ensures customers see measurements in their preferred unit system (in/cm). The app loads sizecharts instantly, without slowing down your store. Support for multiple languages and Shopify Markets makes your size guides accessible globally. more Good looking size charts: Simple and customizable design to fit your brand Easy table management: Import/export tables from Excel or Google Sheets Rich content support: Add images, text, and links for better guidance Smart unit conversion: Automatically switch between inches and centimeters Ultra-fast loading: Size charts loaded instantly with no impact on page speed
Give your customers accurate AI-powered size recommendations improving fit accuracy and conversions. Polypo offers AI-powered size recommendations that adapt to all body shapes and sizes. It is simple for brands to install and integrates directly into product pages. Shoppers create their profile once and instantly receive their recommended size on every product, helping them make faster and more confident purchase decisions. Polypo offers AI-powered size recommendations that adapt to all body shapes and sizes. It is simple for brands to install and integrates directly into product pages. Shoppers create their profile once and instantly receive their recommended size on every product, helping them make faster and more confident purchase decisions. more AI sizing that boosts sales and reduces fit-related returns Digital twin avatars created from two shopper images Accurate sizing using precise body measurements One-time shopper login for size-wide recommendations enhancing store experience Easy integration into any product page
Popsize reduces returns with AI sizing, offering smart fit guidance on your product pages. Popsize solves one of fashion e-commerce’s biggest challenges: sizing uncertainty. By combining our proprietary AI models, real shopper profiles and brand-specific data, we deliver personalized size recommendations that reduce return rates and improve the shopping experience. Popsize can be set up in 2 minutes, integrates seamlessly with your storefront, and helps provides you with reliable size guidance directly on product pages. Popsize solves one of fashion e-commerce’s biggest challenges: sizing uncertainty. By combining our proprietary AI models, real shopper profiles and brand-specific data, we deliver personalized size recommendations that reduce return rates and improve the shopping experience. Popsize can be set up in 2 minutes, integrates seamlessly with your storefront, and helps provides you with reliable size guidance directly on product pages. more AI-driven size recommendations Real consumer fit intelligence Seamless product page integration
Clothing Size Finder + VTO. Improve CVR, reduce refunds, build customer loyalty. Clothing Size Finder Lite + VTO (Add-On) VTO is available as a add on. A visual overlay of the selected garment on the shopper’s photo directly from the PDP. Results are generally strong, in some cases, especially with dresses, the AI may adjust minor visual details. Still, shoppers gain a clear and engaging visualisation. While Size Finder replaces static size charts helping shoppers to choose the size that fits quickly. Clothing Size Finder Lite + VTO (Add-On) VTO is available as a add on. A visual overlay of the selected garment on the shopper’s photo directly from the PDP. Results are generally strong, in some cases, especially with dresses, the AI may adjust minor visual details. Still, shoppers gain a clear and engaging visualisation. While Size Finder replaces static size charts helping shoppers to choose the size that fits quickly. more Size recommendation from basic shopper info. Replaces static size charts. Shows size conversions in International, EU, UK, US, IT, and waist in one view. Calibrate sizing model to suit your brand's sizing. (one brand) No-code install in minutes. Lite version of Prime AI Size Finder technology. Too lite version? Seeking for a greater customisation? Contact us now
RI Size Chart: Stop sizing headaches & boost sales! Easy to use, mobile-friendly size charts Description- Ensure a flawless shopping experience for your customers with RI - Size Chart – the ultimate sizing solution for your Shopify store! Say goodbye to sizing concerns and returns, and welcome a new era of confident online shopping. Description- Ensure a flawless shopping experience for your customers with RI - Size Chart – the ultimate sizing solution for your Shopify store! Say goodbye to sizing concerns and returns, and welcome a new era of confident online shopping. more Customizable Charts : Match charts to products (clothes, shoes, etc.) Inline Mode: Display size charts within product descriptions for a cohesive look Easy Install : No coding! Add size charts in minutes. Global Sizes : Show sizes in inches, cm, or more! Embedded Mode: Seamlessly integrate size charts into your product pages.
Help your customers find their perfect size with a quick AI-powered fit quiz or branded size charts. Shaypr adds an AI fit quiz to your product pages. Customers answer a few quick questions - height, weight, body shape, and get a personalized size recommendation in seconds. No measuring tape needed. You can also settle for creating unlimited Branded Size charts if you don't want to use the Size guide. Setup takes minutes: create a size chart, add the widget block in Theme Editor, and you're live. No code required. Shaypr adds an AI fit quiz to your product pages. Customers answer a few quick questions - height, weight, body shape, and get a personalized size recommendation in seconds. No measuring tape needed. You can also settle for creating unlimited Branded Size charts if you don't want to use the Size guide. Setup takes minutes: create a size chart, add the widget block in Theme Editor, and you're live. No code required. more Unlimited Branded Size Charts AI Size Quiz Analytics Dashboard Multi-language Support Customize to fit your Brand Design
Panda size chart app improves customer confidence in their purchases and reduces the return rate. Our size chart app provides accurate sizing for customers and allows merchants to create custom size charts to fit their unique products. Merchants can choose different measurement units and tailor the size chart to their needs. This customization feature allows merchants to meet their customers sizing needs in a personalized way and makes our app even more helpful. By using our app, merchants can save time and money, reduce returns, and increase customer satisfaction, resulting in higher sales. Our size chart app provides accurate sizing for customers and allows merchants to create custom size charts to fit their unique products. Merchants can choose different measurement units and tailor the size chart to their needs. This customization feature allows merchants to meet their customers sizing needs in a personalized way and makes our app even more helpful. By using our app, merchants can save time and money, reduce returns, and increase customer satisfaction, resulting in higher sales. more Multiple ready-to-use predefined templates, Pro templates. Automatic conversions like (cm/inches), CSV Import/Export. Create your own size chart with the flexible builder, Stores sync size charts. Apply the size chart to both collections and individual products. Customized color, text and images styles that match the theme of your store.
Reduce returns and increase sales with clear size charts, guides, and personalized size recommender. Size Wise is your ultimate solution for creating and managing custom size charts, designed to enhance the shopping experience and boost sales. You can help customers find the perfect fit by providing accurate size information, significantly reducing returns and exchanges. With our user-friendly interface, easily create size charts using rich text, tables, and images. Plus, utilize our size recommender tool for customers unsure about their size. Size Wise is your ultimate solution for creating and managing custom size charts, designed to enhance the shopping experience and boost sales. You can help customers find the perfect fit by providing accurate size information, significantly reducing returns and exchanges. With our user-friendly interface, easily create size charts using rich text, tables, and images. Plus, utilize our size recommender tool for customers unsure about their size. more Create custom size charts using rich text, tables, images, and styling options. Choose from pre-designed templates or create your own from scratch Set size chart rules that apply based on product types, collections, or tags Effortlessly switch between measurement units for international customers. Use the size recommender tool to assist customers in finding the size.
Easy-to-use, simple yet customizable size charts and fit guide to raise sales and reduce returns. The Sized app makes creating size charts and fit guides quick and easy, helping customers confidently choose the proper size. Customizable charts reduce returns and abandoned carts while boosting sales and satisfaction. Tailor your size charts with text, images, or measurement details for apparel, shoes, and more. Assign charts to product(s) or products in collections. Sized ensures your customers get the perfect fit the first time, enhancing their shopping satisfaction. The Sized app makes creating size charts and fit guides quick and easy, helping customers confidently choose the proper size. Customizable charts reduce returns and abandoned carts while boosting sales and satisfaction. Tailor your size charts with text, images, or measurement details for apparel, shoes, and more. Assign charts to product(s) or products in collections. Sized ensures your customers get the perfect fit the first time, enhancing their shopping satisfaction. more Rich content: tabs, tables, texts, images, videos. dividers, multilingual Apply size charts to: products, collections, tags, vendors, types 20+ built-in size chart templates: shirts, pants, dresses, shoes, rings, pets 5 ready-to-use size chart design styles + extensive design settings Built-in image editor: add text & arrows to your images right in the app
Replace size charts with AI. Reduce returns and boost sales with accurate size recommendations. Improve conversion, order value, and reduce returns with Sizekick! The AI size advisor turns size uncertainty into purchase confidence. It guides customers through a delightful, user-friendly experience to deliver highly accurate size recommendations for the perfect fit, based on unique body measurements. On your end, setup is effortless. Easily create custom sizing systems, map them to products in a few clicks, and fully customize the size advisor button to seamlessly match your brand's theme. Improve conversion, order value, and reduce returns with Sizekick! The AI size advisor turns size uncertainty into purchase confidence. It guides customers through a delightful, user-friendly experience to deliver highly accurate size recommendations for the perfect fit, based on unique body measurements. On your end, setup is effortless. Easily create custom sizing systems, map them to products in a few clicks, and fully customize the size advisor button to seamlessly match your brand's theme. more Set up in minutes, directly from your Shopify admin-no technical skills required AI size recommendations based on the shopper's actual body measurements BodyFinder and BodyScanner: Two intuitive methods for finding the perfect fit Gamified user-friendly interface makes finding the correct size fun and easy Size advisor button is customizable to seamlessly match your brand
Size charts and a size finder for bras, shapewear, swimwear and everyday clothing. SizeMind puts a size finder on your product page. Shoppers pick their bra size (band and cup) or measure themselves, and see the size to buy. It also works for shapewear, swimwear and clothing, and shows which size each measurement fits. Bra sizes show in US, UK or EU, and cm or inches follow the shopper's country. Measurements are remembered, so shoppers do not type them again on the next product. Start from a template or paste your own chart. Your charts, your sizes, no watermark. SizeMind puts a size finder on your product page. Shoppers pick their bra size (band and cup) or measure themselves, and see the size to buy. It also works for shapewear, swimwear and clothing, and shows which size each measurement fits. Bra sizes show in US, UK or EU, and cm or inches follow the shopper's country. Measurements are remembered, so shoppers do not type them again on the next product. Start from a template or paste your own chart. Your charts, your sizes, no watermark. more Bra sizing built in: pick band and cup, or measure under-bust and bust Works for S/M/L bras too: band and cup map to your own garment sizes Bra sizes in US, UK or EU; cm or inches follow the shopper's country Saves a shopper's measurements once; their size appears on every product Size chart templates, paste-in charts, map by product, tag, type or collection
Provide instant size guidance through an AI fit quiz and size chart designed to improve store sales SmartSize AI Fit & Size Recommender helps shoppers find their perfect size in seconds. With just a few questions, our AI model finds the best fit for every product, even across different brands and all Shopify stores using SmartSize. Returning customers see instant size suggestions. It’s the perfect complement to your size charts, creating a confident shopping experience. SmartSize is optimized for both desktop and mobile. Install in 2 clicks, upload size charts, and go live, no coding required. SmartSize AI Fit & Size Recommender helps shoppers find their perfect size in seconds. With just a few questions, our AI model finds the best fit for every product, even across different brands and all Shopify stores using SmartSize. Returning customers see instant size suggestions. It’s the perfect complement to your size charts, creating a confident shopping experience. SmartSize is optimized for both desktop and mobile. Install in 2 clicks, upload size charts, and go live, no coding required. more AI fit quiz with fast size recommendations using your own size charts Repeat visitors get instant size recommendations without retaking the quiz Fully customizable colors, text, and CSS to match any store brand and theme Built for men and women apparel: shirts, blouses, pants, dresses, jackets & more Works across all products/brands by matching AI predictions to each size chart
Size charts, size guides and a “Find my size” AI size recommender, built in minutes Build size charts, size guides and fit quizzes in minutes with SmartSize AI and a modular editor. Import and export all your size charts in bulk. Upload an image or start from templates for men, women, lingerie, kids and pets. Add tabs, AI translations, unit conversion and international sizing. Turn on “Find my size”, an AI fit finder and size recommender. Shoppers answer once and are remembered on every product and visit. Buttons place themselves on any theme, or our team sets it up. Build size charts, size guides and fit quizzes in minutes with SmartSize AI and a modular editor. Import and export all your size charts in bulk. Upload an image or start from templates for men, women, lingerie, kids and pets. Add tabs, AI translations, unit conversion and international sizing. Turn on “Find my size”, an AI fit finder and size recommender. Shoppers answer once and are remembered on every product and visit. Buttons place themselves on any theme, or our team sets it up. more Size chart templates for men, women, kids, lingerie and pets. Bulk import/export AI builds a size guide from a photo or screenshot of your existing chart “Find my size” AI fit finder: shoppers answer once, get their size everywhere Size charts and size quiz in 25+ languages. AI translation, unit conversion Drag-and-drop size guide blocks. The button places itself, or we set it up
Increase diamond sales + slash time spent sourcing with AI curation that connects to your jewelry! Give your customers the ability to complete their diamond ring, pendant, or earring purchase on your website, all on their own! Our patented AI curation technology makes it easy. Also, use your Unbridaled powered Shopify site in-store to sell engagement rings with curated diamond options and eliminate decision overwhelm. Instead of taking weeks to close a sale, help them find their ideal diamond in minutes! Give your customers the ability to complete their diamond ring, pendant, or earring purchase on your website, all on their own! Our patented AI curation technology makes it easy. Also, use your Unbridaled powered Shopify site in-store to sell engagement rings with curated diamond options and eliminate decision overwhelm. Instead of taking weeks to close a sale, help them find their ideal diamond in minutes! more Connect your jewelry to certified diamond inventory Offer shoppers natural and/or lab grown diamonds with videos + certs to compare Intelligent curation makes it easy for your clients to decide on a diamond Intelligent pricing maximizes your profits while keeping prices competitive Integrates seamlessly with your Shopify theme and branding
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About Unit conversion Apps for Shopify
Unit conversion apps are essential tools for Shopify merchants looking to enhance their store's functionality and improve customer experience. These specialized applications help store owners streamline operations, increase sales, and provide better service to their customers.
When choosing a unit conversion app for your Shopify store, consider factors such as features, pricing, customer support, and compatibility with your theme and other apps. Reading reviews from other merchants can also provide valuable insights into the app's performance and reliability.
The apps listed on this page represent some of the best unit conversion solutions available in the Shopify App Store. Each has been selected based on its functionality, user ratings, and overall value for Shopify merchants.