Free business calculators

Quick answers for pricing and billing. Results update as you type, and nothing is sent anywhere.

• GST CalculatorAdd GST to a net price, or work backwards from a GST-inclusive price, at any rate. It covers India’s CGST/SGST split as well as GST in Australia, New Zealand, Singapore and Canada.
• VAT CalculatorWork out VAT in seconds. Add VAT to a net price, or strip it out of a VAT-inclusive (gross) price, at any rate.
• Sales Tax CalculatorAdd state and local sales tax to a price, or find the pre-tax price from a total. Handy for quotes, receipts and invoices in the United States.
• Markup CalculatorTurn a cost into a selling price. Enter what something costs you and the markup you want, and see the price, the profit and the margin that markup really gives you.
• Margin CalculatorEnter your cost and selling price to see your gross margin, markup and profit. Add a target margin to find the price you need to charge.
• Freelance Hourly Rate CalculatorFind the minimum hourly rate you need to charge to hit your income goal after tax and business costs, based on the hours you can realistically bill.
• Late Payment Interest CalculatorWork out how much interest and late fees to add to an overdue invoice, based on the amount, the interest rate and how many days late it is.
• Invoice Due Date CalculatorEnter an invoice date and payment terms to get the exact due date. Works for Net 30, Net 60 and any number of days.