01Free
VAT Calculator
Free online VAT calculator. Add or remove VAT (reverse VAT) and sales tax: enter a net or gross amount and rate to get the net, VAT and gross. Runs in your browser.
browser tools · no upload2 tools
Calculators
Free browser-based calculators — VAT and sales tax now, with margin and more on the way. Deterministic business math that runs entirely in your browser; nothing is uploaded and no registration is required. These are calculation tools, not tax or financial advice.
- 02Free
Margin Calculator
Free online margin and markup calculator. Enter cost and price for profit, gross margin % and markup % — or work back from a target. Runs in your browser.