All Calculators

Add or remove VAT from any amount instantly. Supports UK, EU, and international VAT rates.

Quickly add VAT to any net amount. See the VAT amount and gross total instantly.

Extract VAT from a gross price. See the original net amount and VAT paid.

Calculate US sales tax for any amount. Includes state tax rate presets.

Add or remove GST from any amount. Supports Australia (10%), New Zealand (15%), Canada (5%), India (18%), and more.

Calculate profit margin from revenue and cost. See profit and margin percentage.

Calculate markup percentage from cost and price, or find selling price from a target markup. Works for retail, wholesale, and any industry.

Calculate the discount amount and final price after applying a percentage discount.

Convert between margin and markup instantly. See the equivalent percentage and a full conversion table.

Calculate profit, selling price, and margins from cost and revenue. Three flexible input modes.

Find out how many units you need to sell to cover your costs and start making profit.

Calculate return on investment. See your ROI percentage and net profit instantly.

Calculate sales commission earned and net amount. Supports percentage-based commissions.

Find X% of a number, calculate what percentage one number is of another, or reverse-calculate the whole from a known part.

Calculate the percentage increase or decrease between two numbers, or find the new value after applying a percentage change.