Discount Calculator
Calculate the price after a discount and tax, and see how much you save.
Finance
Finance
VAT Calculator
Add tax to a price or extract it from a total using the rate you enter.
Enter your values
Your result
Amount including tax
1,000
- Amount before tax
- 1,000
- Tax amount
- 0
- Amount including tax
- 1,000
An estimate based on your inputs. Review the assumptions and method below.
How does this calculator work?
Add tax when pricing from a net amount, or separate it from a tax-inclusive invoice. Choose the operation and enter the rate yourself; no country or product rate is selected automatically.
The formula
Gross = net × (1 + rate ÷ 100). To extract: net = gross ÷ (1 + rate ÷ 100), and tax = gross − net.
What should you know?
- The default rate is zero so you can enter the applicable rate. Verify rates and exemptions with the relevant authority.
- Does not model compound taxes, input tax deductions or invoice line rounding rules.
Common questions
Why not simply subtract the rate from the gross amount?
Tax is a percentage of the net price. At an illustrative rate of 10%, a gross amount of 110 contains a net amount of 100 and tax of 10, not 11.
Can I calculate several items together?
You can enter the combined amount if all items use the same rate. Calculate items with different rates in separate groups.
A worked example
- Assume a gross amount of 115 and a hypothetical tax rate of 15%. This is not a statement of any country’s applicable rate.
- Choose Extract tax, then divide 115 by 1.15 to get a net amount of 100.
- Tax is 115 − 100 = 15. Subtracting 15% of 115 directly would give the wrong net amount because tax is based on the pretax price.
This example is separate from the values you entered above.
Sources and verification
How do we choose formulas and check results?
Sources explain the method or its limits; they do not imply that the linked organizations endorse this calculator.