Money

Work out the price after a double discount and sales tax, your profit margin and markup, or zakat on cash, gold and a 401(k). Each calculator shows its sources and runs in your browser with no sign-up.

• Loan calculatorFind the monthly payment on a car, personal or home loan from the amount, rate and term in months or years, plus total interest and amortization schedule.
• Sales tax calculatorType any sales tax rate to add tax to a price or take it out of a total. Presets for all 50 states, DC and every Canadian province and territory.
• Discount calculatorFind the price after a percent off, the discount between two prices, or a stacked deal like 50% plus 20% off, then add your own sales tax rate.
• Compound interest calculatorSee how savings grow with compound interest: starting amount, monthly contributions, annual rate and compounding frequency, plus a yearly growth table.
• Profit margin calculatorFind profit margin and markup from cost and price, or the price you need for a target margin. For small sellers, with a margin vs markup table.
• Zakat calculatorCalculate zakat at 2.5% on cash, savings, gold, silver and business assets, with gold or silver nisab at your price per ounce, plus 401(k) and RRSP notes.