Laws of Motion
AI sizing tool for apparel brands — predicts the perfect fit per SKU using body measurements, reducing returns and boosting conversions.
| What is it | AI sizing tool for apparel brands — predicts the perfect fit per SKU using body measurements, reducing returns and boosting conversions. |
|---|---|
| Pricing | Contact for Pricing |
| Platform | Web Application |
| Best for | Reducing size-related returns for online clothing stores, Increasing conversion rates on product pages |
| Domain registered | 2022 |
Data updated Aug. 1, 2026
What does Laws of Motion do?
Laws of Motion is an AI-powered sizing engine for apparel brands. Instead of relying on generic size charts, it uses a 1:1 body-to-SKU methodology to determine the best-fitting size for each individual product. The tool claims 99% accuracy and is designed to reduce size-related returns and increase conversion rates. It integrates directly into the shopping experience, offering customers a choice between a quick fit quiz, a body scan, or manual measurements — whatever they're most comfortable with.
What makes Laws of Motion stand out is its focus on precision at the SKU level. Most sizing tools give a general recommendation, but this one calculates fit per product, accounting for differences in cut, fabric, and brand sizing. It also includes in-cart prompts that remind shoppers of their best size before they check out, which helps stop "size sampling" — the habit of ordering multiple sizes to try at home. The company reports that brands using the tool see 20x higher conversion rates and 70% fewer returns.
This tool is built for e-commerce apparel brands, especially those dealing with high return rates due to sizing issues. It's useful for both small direct-to-consumer labels and larger retailers who want to improve customer satisfaction and reduce logistics costs. If you run an online clothing store and returns are eating into your margins, Laws of Motion is worth a look.
Key features
What makes it stand outWho is Laws of Motion for?
Who benefits most from this toolTrust & presence
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