Quickly calculate the total price including sales tax, or extract the pre-tax price from a tax-inclusive amount.
Enter amount and rate for an instant result. Supports any tax rate for US states, EU VAT, or any custom rate.
Reach for this tool whenever a financial decision hinges on this type of calculation. Small differences in rate or term become large differences in total cost or return over multi-year horizons — differences that only become visible when you run the actual numbers.
Many financial calculation errors stem from omitting ancillary costs: fees, taxes, insurance, or maintenance. The headline figure (interest rate, monthly payment) is rarely the complete cost of a financial product.
A small business owner compares two financing options for new equipment: a 5-year bank loan at 5.2% versus a leasing arrangement with a monthly fee. The calculator translates both into a total cost figure, making the comparison straightforward.
Sales Tax Formulas
Price incl. tax = Price × (1 + tax rate)
Price excl. tax = Price incl. tax ÷ (1 + tax rate)
Tax amount = Price × tax rate. For a 10% tax on $200: Tax = $20, Total = $220.
A product costs $85 before tax. The sales tax rate is 8.5%.
Result: Total price = $92.23 (tax: $7.23)
Divide the price including tax by (1 + tax rate). Example:
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