Stall Break-Even Calculator

Craft fair, farmers' market, car boot, food pitch — enter the day's costs and your per-item numbers, and see exactly how many sales the day needs before you're in profit. Runs in your browser — nothing uploaded, no signup.

The day's fixed costs
Your items
Card reader fees (verified August 2026)

SumUp charges 1.69% and Square 1.75% per in-person transaction (standard plans, no monthly fee). Adjust if you use another reader or your crowd is mostly cash.

The day's maths

Estimates for information only, not financial or tax advice. Your time isn't counted above — see the guide below on pricing your hours honestly.

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Guides

Is that craft fair worth it? The maths stallholders do on the drive home Every cost of a market day (the checklist that stops nasty surprises) Pricing handmade goods for fairs: counting your hours without scaring buyers

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