Help your customers shop the right size, every single time

Kiwi improves your customers’ shopping experience with customizable sizing chart, fit recommender, and more.

No more guessing, no more returns.

No credit card needed
See How It Works

Most retailers experience 20% - 40% return for online sales, with poor fit as the #1 reason.

Kiwi Sizing is here to solve that problem.

We help provide accurate sizing information
for your customers

Size Charts

From layout, images, to content and color, create visually consistent and easy to read size charts for your products.

Machine learning based apparel sizing recommendation, with simple measurement input from customers.

Size recommender can also be used for any product: from footwear, pet products, to snowboards.

Learn more about how these features work


Size charts created


Active shops worldwide


to create a size chart (avg. time)

How to make a size chart?

Make a size chart in 3 simple steps. Create awesome size charts for your fashion online shops on Shopify

Step 2

Choose a size chart template and edit the details

Step 3

Set up product matching conditions and publish


Simple & transparent pricing - affordable to businesses of all sizes

14-days trial for any paid plans


Free forever
  • Up to 2 Fully Customizable Size Charts
  • Automatic Unit Converter
  • Dynamic Size Charts
Get Started


Per Month
  • All the benefits of Free, and:
  • Unlimited Size Charts
  • Automatic Unit Detection by Location
  • Basic Analytics
Start Free Trial
No credit card needed.


Per Month
  • All the benefits of Premium, and:
  • Advanced Apparel Recommender
  • Custom Recommender
  • Advanced Analytics
Start Free Trial
No credit card needed.
Learn more about pricing details

Why Kiwi Sizing?

Fully customizable sizing tools

Fully customizable sizing tools

Flexible layout and ability to choose relavant information that your customers need. Create beautiful and effective tools that matches your shop’s theme.

Different products, one tool

Kiwi Sizing is designed to manage hundreds of different products sizes. Create consistent sizing tools for all of your products.

Built-in unit conversion

No need to manually punch in numbers in the calculator. Kiwi Sizing has built-in unit conversion tools to cater to your global audience.

Build trusting customer relationships

Kiwi Sizing tools reduce customers’ hesitation while shopping by providing accurate product sizing information.

Lower customer support need

Less time spent handling sizing questions and product returns, mean more time actually running your business!

Trusted by 12,000+ Businesses Worldwide

From swimwear to pet apparel to footwear, see what our customers say about Kiwi Sizing

profile profile profile profile profile


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!

We have a native app for Shopify. For detailed instructions on how to install, check out this article.

If you aren't yet on Shopify, consider joining us! Many of our Kiwi merchants switched to Shopify from other platforms!

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 chart

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

See video tutorial on recommender

Elevate your online shop with Kiwi Sizing.

Try for free today.

No credit card needed.