Apparel Size Recommender

Use our fit recommender to help your customers purchase the right size and help you reduce return. Check out the showcases to get more inspirations.

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advanced recommender flow

Recommender Showcases

See how our customers are using Kiwi fit recommenders

Men & Women’s fashion size recommender

Hoodies size recommender

Men’s clothing size recommender

Women's leggings size recommender


Features that DTC brands demand

Have you ever ordered the wrong size? It’s no fun. Kiwi fixes that with a simple app that gives your customers the right size for whatever they’re buying.

Intelligent fit prediction

Simple questions

We estimate the person’s body measurements from simple questions that everyone knows about themselves. The flow takes less than 10 seconds to finish.

Machine learning based

We have gathered a lot of data to estimate the customers’ body measurements.

Input once, see everywhere

Once the data is put in once, the customer will see recommendation on every product page they visit.

Simple & sophisticated set up tool

Simple creation flow

The recommender set up flow asks for a series of questions about the product. The process can be finished quickly.

Customize fit preferences

We also allow you to specify how the product should be worn. For example, how long should the shirt length be. We understand that depending on the style, there could be different preferences.

How to make a size chart?

Make a size chart in 3 simple ways. Create awesome size charts for your fashion online store on Shopify, WooCommerce, BigCommerce, and other e-commerce platforms.


Step 1

Create size table

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Step 2

Set up product type

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Step 3

Set up measurement linking

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Step 4

Complete recommender fields setup

Kiwi Sizing FAQs

Product sizing is often an overlooked part of an online clothing business. Shopping online has more friction because buyers don’t always know if the garment would fit well. This is why 20-40% of returns are due to fitting problems. So firstly, it is important to have accurate size chart information on every product pages with clear how-to-measure guide.

Furthermore, having size charts alone are not enough. They are not intuitive to read and most shoppers often skip it if they don’t know their own body measurements. The solution for this is to have easy-to-use fit recommender that can suggest the customers the ideal size to purchase using information they could provide easily, such as weight, height and age.

All of these can only be accomplished using a sizing plugin. Kiwi Sizing is designed exactly to tackle the fitting problem for online shopping.


Kiwi Sizing is designed for any e-commerce stores, as long as you need size charts. For example, you can use Kiwi Sizing to create t-shirt size charts, jeans size charts, shoes size charts, ring size charts, bar size charts, swimsuit size charts or even snowboard size charts. The tool is flexible for any type of product and we are here to help you increase conversion and reduce returns!

Certainly! Kiwi Sizing has an intuitive interface with drag-and-drop features to create size charts. There are also an abundance of settings to customize the style and design without touching a single line of code! Embedding Kiwi Sizing on your store may require some initial setup, depending on your platform. But we will be more than happy to assist!

Yes! More and more online shopping these days happen on mobile. The size charts and recommender from Kiwi Sizing works perfectly on mobile devices. However the admin tool works the best on desktop.

Kiwi Sizing is a size chart and fit recommendation plugin for e-commerce stores. We help all kinds of sellers that sells t-shirts, dresses, jackets, shoes, etc. Through our tool, you can easily set up size charts and fit recommenders in minutes without any design or technical background. Our goal is to help you improve your conversion and reduce refunds due to fit issues.

Currently, we are the most popular plugin on Shopify, with over 470 5-star reviews!


Kiwi Sizing supports any e-commerce platforms. We have a native app for Shopify, and native plugin for WooCommerce. For other platforms like BigCommerce, Magento, 3dcart, Volusion, Kiwi Sizing can be integrated by adding some custom code onto the store settings. See our documentation guides to see how to integrate with your ecommerce platform.

No! You can sign up Kiwi Sizing without entering any credit card information. The free plan will remain free forever. The credit card info is only needed when you upgrade to a paid plan.

You can create size charts in Kiwi Sizing easily within a minute. After you register, click “Add new size chart” button, then specify what products the size charts is for and input the sizing measurements. For more details, see our start up guide. Or you can see our video tutorial.

See video tutorial on size art

Creating recommender is quite straight forward as weel. See our Recmomender guide. Or you can see our video tutorial.

See video tutorial on recommender

Dramatically reduce returns and increase sales with Kiwi

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Personalized Size Recommendations on your Shopify Stores