Tax & Finance Calculators
Free calculators for tax, discounts, VAT, and tips. No signup, no ads, no nonsense.
Primary Tool
Reverse Sales Tax CalculatorEnter a tax-included total and rate to find the original pre-tax price. The most common use case for working backwards from a receipt.
Sales Tax Calculator
Calculate sales tax amount on a pre-tax price
VAT Calculator
Calculate VAT-inclusive and VAT-exclusive prices
Income Tax Calculator
Estimate federal income tax liability
Discount Calculator
Calculate sale price after discount percentage
Tip Calculator
Calculate tip amount and total bill
About These Calculators
All calculators on this site are free, work without an account, and are designed for fast, accurate results. They run entirely in your browser—no data is sent to any server.
For official tax guidance, always verify rates with your state tax authority. Tax rates change and this tool should be used for estimation purposes.