No sign-up · No tracking · UK-focused
Free UK Business Calculators and Invoice Tools
Simple tools for UK freelancers, sole traders and small businesses to calculate VAT, profit, break-even points, freelance rates and invoices.
UK VAT Calculator
Add or remove 20% / 5% / 0% VAT instantly.
Tax & VAT
Open tool →Free Invoice Generator UK
Create a UK-ready invoice and download as PDF.
Business documents
Open tool →Profit Margin Calculator
Calculate margin, markup and selling price.
Pricing & profit
Open tool →Break-even Calculator
Find the sales volume you need to cover costs.
Pricing & profit
Open tool →Freelance Rate Calculator UK
Work out a sustainable hourly and day rate.
Pricing & profit
Open tool →Start with pricing
A simple pricing workflow, from rate to invoice.
Why use these tools
Built for how the self-employed actually work.
Free to use
Every tool is free, with no usage limits.
No sign-up
No accounts, no email capture, no cookie maze.
UK-focused
GBP, 20% VAT, UK invoice fields and British English.
Works on mobile
Designed to be usable on a phone or laptop.
No data stored on our servers
Calculations run in your browser. Invoice drafts stay in localStorage.
Honest about scope
Planning tools, not tax advice. For your return, see GOV.UK or an accountant.
Frequently asked questions
Are these tools free?
Yes — every calculator and the invoice generator are completely free with no sign-up.Do I need to create an account?
No accounts, no logins, no email capture. Open a page and use it.Are the calculations tax advice?
No. These tools are for general planning only. For tax or accounting decisions please speak to a qualified accountant and refer to GOV.UK.Is my invoice data stored?
Invoice drafts are only kept in your own browser via localStorage. Nothing is sent to a server in this MVP.Are the tools only for UK businesses?
They're designed for UK freelancers and small businesses — GBP currency, 20% standard VAT, UK invoice fields and British English throughout. Anyone can use them, but the defaults are UK-specific.