VAT Calculator
Add VAT or GST to a net amount, or extract it from a VAT-inclusive price, at any rate.
Your inputs
Results
Gross (incl. VAT)
$120.00
- VAT amount
- $20.00
- VAT fraction of the gross price
- 20/120
✓Exact calculation — rounded only for display
Inputs are never added to links for financial, salary or health calculators.
What this calculator does
In VAT systems, consumer prices usually include tax. Businesses often need to extract the VAT for invoices and returns.
Formula and method
Worked example
Calculated by this tool with its default inputs:
Inputs
- Calculation: Add VAT to a net amount
- Amount: 100 (any currency)
- VAT rate: 20 %
Results
- Gross (incl. VAT): 120
- VAT amount: 20
- VAT fraction of the gross price: 20/120
How to read the results
At 20 % VAT, the VAT is 20/120 = one-sixth of the gross price.
Assumptions and limitations
- Reduced and zero rates apply to some goods; check the rate for your product.
Tax and payroll figures depend on rules that differ by country, region and year and change often. Enter official current rates, and consult the tax authority or a qualified adviser — nothing here is tax advice.
Questions
Is GST the same as VAT?
They work the same way; the name differs by country.
Methodology and verification
- Result type
- Exact mathematical calculation (rounded only for display)
- Formula version
- 1.0
- Automated verification
- 3 reference and validation test cases, checked against independently computed values. The site cannot be built if any of them fail.
- Editorial review
- Awaiting human editorial review. The explanation was drafted with AI assistance; the formula and examples are verified by the automated tests above.
Privacy
Everything you enter is calculated in this browser and is not sent to Numerith or anyone else. Because this calculator can involve personal financial or health details, your inputs are never added to share links or saved to history. Privacy policy