Sales tax & VAT
Sales tax & VAT: use net price before tax, tax rate, calculation. Review the formula, worked example and calculation steps.
Inputs
Use the units shown—
Enter your values and select Calculate.
Formula & explanation
Gross = net × (1+t/100); net = gross/(1+t/100)
Variables & units
- Net price before tax
- currency · minimum 0, maximum 1000000000000
- Tax rate
- % · minimum 0, maximum 100
- Calculation
- Select an option
Worked example
100 net at 18% tax becomes 118 gross; removing 18% from 118 returns 100.
Assumptions
This applies one supplied tax rate. It does not determine legal rates, exemptions or jurisdiction-specific rounding.
Formula version 1.0.0. JavaScript floating-point arithmetic applies. Results display up to 6 decimal places; stored values retain available precision. Use the units shown.
Practice with an example
Use the default input values to find the answer. The reset icon restores those values.
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