Free UK Business Calculators & Tools
Practical, no-nonsense tools built for UK sole traders, freelancers, and small business owners. Calculate VAT, work out mileage expenses, check late payment interest, and more — all based on current HMRC rates and UK legislation.
Available Tools
- tax VAT Calculator Add, remove, or reverse VAT at UK rates.
- finance Markup vs Margin Calculator Convert between markup and margin percentages.
- planning Working Days Calculator Count working days between two dates, excluding UK bank holidays.
- tax Mileage Calculator Calculate HMRC-approved mileage expenses for business travel.