WeighPay – Sell by Weight

Automatically calculate order totals by weight

by EcomDev · Launched: May 2026

5.0 (1) on Shopify Built for Shopify

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Sell products by weight. Set a rate per kg, lb or oz and bill customers the exact amount.

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About WeighPay – Sell by Weight

WeighPay is the ultimate solution for merchants who sell meat, seafood, cheese, fabric, or any product calculated by **weight**. The app lets you set a custom rate per **kilogram**, **pound**, or **ounce** for any item. Customers enter the weight they want, and the total is calculated at checkout with zero errors.Simply install the app and open any product in your Shopify admin. The correct rate is added to the cart instantly. It is built for butchers, fishmongers, delis, or fabric stores. Custom weight rates: Set pricing per kilogram, pound, or ounce easily. Live cart calculation: Totals update automatically based on exact customer weigh Bulk product bundles: Group inventory into weight-based bundles for discounts. Instant admin setup: Configure rules directly inside your admin Zero manual checkout errors: Eliminates pricing mistakes with automated fraction Show more Show less

Last verified: July 21, 2026 · Fresh

App details

Developer: EcomDev
Category: Selling products
Pricing: Paid
Launched: May 2026
Rating: 5.0 (1) on Shopify

Key features

Sell products by weight
Set a rate per kg, lb or oz and bill customers the exact amount

Integrations with:

Checkout

1 plan · 3-day free trial

Professional Plan

$4.99/month

Plans and prices as listed on the Shopify App Store.

Ratings & reviews

based on 1 Shopify App Store reviews

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The app is easy to use and works well with our Shopify store. Setup was simple, and the support team has been very helpful and quick to respond. We’re very happy with the experience and would definitely recommend it to other Shopify merchants.

— Pet Grows

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