Free tools · nothing to install · no account

Maker Margins

Business maths for people who make things. Small, sharp calculators for the numbers that decide whether a handmade product is worth making — and none of them ever send your figures anywhere.

Live Pricing

The Maker's Price Bench

Work out what to charge after the marketplace takes its cut. Instead of multiplying your costs by four and hoping, it solves backwards through the whole fee stack to find the price that actually leaves you the profit you asked for.

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Live Fees

Etsy Fee Calculator

Enter what the buyer paid and see every fee broken out separately, plus what actually reaches your bank. Including the one almost nobody accounts for — Etsy charges its percentage on the postage you collect, not just the item.

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Live Shipping

Shipping Profit Checker

Does the postage you charge actually cover the postage you pay? It has to cover the box it goes in and the marketplace's cut of the shipping too — and when it doesn't, the gap never shows up as a loss because it's buried in a payout that still looks like profit.

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Live Sales

Discount Calculator

A 20% off code doesn't cost you 20%. Your materials, hours and postage cost the same either way, so the whole discount comes out of the profit alone — which is why a fifth off the price can remove seven eighths of what you earn.

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What's being built next

Listed in the order they're coming. Nothing here is a link yet — when one goes live it moves up to the top of the page.

Next

Craft fair breakeven

Booth fee, travel, stock and the hours you'll stand there — how much you need to sell before the day is worth doing.

The one idea behind all of these

Marketplace fees are charged on the order total — the item plus the shipping the buyer paid. That single fact breaks the arithmetic most sellers use, because raising your price to cover a fee also raises the fee.

If fees come to 11% and you want to clear $30, pricing at $30 plus 11% leaves you short every time. The fee lands on the higher number, not the one you started from. Netting a target after a percentage is taken out means dividing, not multiplying:

order total = (what you want to clear + costs) ÷ (1 − fee rate)

Every tool here runs that calculation properly. It's not complicated maths, but getting it backwards is the single most common reason a handmade product that looks profitable isn't.