What is VAT Calculator?
A VAT calculator converts between net amount, VAT amount and gross amount using a selected tax rate.
Main use case: Calculate VAT for an invoice, quote, price check or accounting estimate.
Finance · free tool
VAT calculator for net price, gross price and tax amount
Convert net price to gross price, calculate VAT or recover net price from gross.
- HT vers TTC et TTC vers HT
- Taux 20 %, 10 %, 5,5 % et 2,1 %
- Formule détaillée
- Calcul local instantané
Your tool
VAT Calculator
Conversion direction
Choose a direction, enter one amount and select the applicable VAT rate.
Formula used
Examples for 100.00 net
Compare the VAT amount and gross total for the rates available above.
| VAT rate | VAT amount | Gross amount |
|---|---|---|
| Standard rate (20%) | €20.00 | €120.00 |
| Reduced rate (5%) | €5.00 | €105.00 |
| Zero rate (0%) | €0.00 | €100.00 |
Understand
Understand VAT Calculator
Common use cases
- Invoices
- Calculate gross price and VAT amount from a net price.
- Quotes
- Check pricing before sending a proposal.
- Accounting review
- Verify amounts in exported data.
How to use the tool
- Enter either net or gross amount.
- Set the VAT rate.
- Review the computed VAT and converted amount.
- Copy the result into your quote or check.
Best practices
- Use realistic test values when validating forms, exports or API payloads.
- Keep real customer, banking and production secrets out of public tools.
- Check the output format before copying it into a production workflow.
- Document whether a value is generated, validated, converted or only estimated.
Common mistakes
- Confusing valid format with real-world validity
- A generated or locally validated value can match a format without proving that it exists in an official system.
- Using real production data
- Public utilities are best for test data, demos, fixtures, QA and quick checks, not for confidential values.
FAQ
Frequently asked questions
What is VAT?
VAT is a consumption tax applied to many goods and services. Rates depend on country and activity.
Does this replace accounting software?
No. It is a quick estimate and format check, not accounting advice.
Can I use custom VAT rates?
Yes. Enter the rate that matches your scenario.
Are my inputs sent to a server?
OnSubmit tools run in the browser whenever the task can be processed locally. Avoid pasting production secrets, real banking details or personal data into public tools.