Free calculators for
the self-employed.
No sign-up, no catch. Handy little tools we built because we needed them too.
Calculators
Free invoice generator
Create a professional invoice and download it as a PDF. No sign-up.
Open toolSelf-employed tax calculator
Estimate the Income Tax and National Insurance you owe on your profit. UK.
Open toolLate payment interest calculator
The statutory interest and compensation you can charge on an overdue invoice.
Open toolProfit margin calculator
Work out your gross margin, markup and profit on any sale, after fees.
Open toolFreelance day rate calculator
Find the day rate you actually need to charge to hit your income goal.
Open toolVAT calculator
Add or remove UK VAT from any amount in one click.
Open toolReselling profit calculator
Your real profit on a resold item after fees and postage. Vinted, eBay, Depop.
Open toolMarkup calculator
Turn a cost and a markup into a price, and see the margin it gives you.
Open toolBreak-even calculator
How many units you need to sell to cover your costs.
Open toolHourly rate calculator
The hourly rate you actually need to charge to hit your income goal.
Open toolNeed a document instead of a calculator? Grab a free template for invoices, quotes, statements of work and more.