TaxCalcBase

Free Financial Calculators

Tax Calculators

Free online tools for calculating VAT, GST, and US sales tax. Choose a calculator below to get started.

VAT Calculator

Add or remove VAT from any amount instantly. Supports any VAT rate and works for both VAT-inclusive and VAT-exclusive calculations.

VAT Rates by Country

Browse standard and reduced VAT rates for countries worldwide. Find the correct rate for your jurisdiction and link through to country-specific calculators.

US Sales Tax Calculator

Calculate sales tax for any US state including state-level and average local tax rates. Compare combined rates across all 50 states.

Popular VAT Rates

Popular State Sales Tax Rates