Tax calculator
Money calculator
Sales Tax Calculator
Add tax to a net price, remove tax from a tax-included total, or reverse-calculate the tax rate.
gross = net x (1 + rate)
Reverse tax rate calculator
Use net and gross amounts to find the effective tax rate and tax amount.
Tax amount
Tax rate
Net / gross ratio
Split total with tax
Estimate each person’s cost when a receipt total includes tax.
Each person pays
Sales tax formulas
| Question | Formula |
|---|---|
| Add tax | gross = net x (1 + rate / 100) |
| Tax amount | tax = net x rate / 100 |
| Remove tax | net = gross / (1 + rate / 100) |
| Reverse rate | (gross - net) / net x 100 |
Sales tax calculator FAQ
Is sales tax the same as VAT or GST?
They are consumption taxes, but legal rules differ by region.
How do I remove tax from a total?
Divide the total by one plus the tax rate as a decimal.
Are preset rates official?
No. Verify the current local rate.
Can I split a tax-included receipt?
Yes. Enter the total and number of people.