Sales Tax Calculator

Sales Tax Calculator

How to Compute Sales Tax and VAT

Sales tax is an consumption tax charged by governing bodies on retail sales. This utility calculates the gross price (net price + tax) or extracts the net price from a tax-inclusive total.

Basic Formulas

  • Adding Tax: Total = Net × (1 + Tax Rate)
  • Extracting Tax: Net = Total / (1 + Tax Rate)

Frequently Asked Questions

Does this calculator support compound tax rates?

No, this calculator processes flat-rate calculations. Multi-tier or state-and-local combined taxes should be calculated using the combined percentage value.

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