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Business & Finance
Free tools that do the work in your browser.
Pricing & Profit
Discount Calculator
Work out a sale price, the percentage off, or the original price before a discount. Handles two discounts applied in a row, which do not add up to their sum.
Invoicing & Documents
VAT Calculator
Add VAT to a net price or strip it out of a gross one, at any rate. Shows the net, the VAT and the total, and gets the backwards direction right every time.
Fees & Commerce
Loan Payment Calculator
Work out the monthly payment on a loan or a mortgage, the total interest paid, and what happens if the rate rises by a point. Runs entirely in your browser.