FormulaPrice: Price by Formula

by add-ons.org
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by add-ons.org
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Free plan available. Free trial available.

Sell custom-sized products with automatic pricing. Shoppers enter dimensions, pick options, and see live prices calculated from your formula.

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About the FormulaPrice: Price by Formula

FormulaPrice lets customers enter custom measurements like width, length, or weight, and automatically calculates the price using your formula. Perfect for selling products that can't be listed as standard variants. Shoppers simply type their dimensions, choose finishes, and upload artwork while the price updates live on the product page. Start with ready-made templates for pricing by length, area, volume, weight, surface area, or whole boxes. Each formula works with your product's base price—set $20 on a variant to charge $20 per metre. The app includes swatches, dropdowns, file uploads, and conditional fields. Add-ons appear as real products on orders with their own inventory tracking. Security is built-in: checkout recalculates prices from customer measurements, so edited pages can't change what anyone pays. You can even display monthly pricing figures without affecting the actual charge amount.

Launched: September 14, 2026