Free VAT Calculator
Add tax to a net amount - with presets for common VAT and sales tax rates.
Net
$100.00
VAT
$20.00
Gross
$120.00
⚠ Common mistake: Reverse VAT calculation
To find VAT in a VAT-inclusive price, divide by (1 + rate/100), then subtract from gross. Example at 20%: £120 gross ÷ 1.20 = £100 net. The VAT is £20. NOT: £120 × 0.20 = £24 (that gives 20% of the gross-inclusive price — wrong).
What is a free vat, and what goes on one?
The VAT (Value Added Tax) calculator helps you add or remove VAT from a price. Essential for freelancers in countries where VAT registration is required above a certain turnover threshold.
Key components
- Net amount — the price before VAT.
- VAT rate — the applicable percentage (varies by country).
- VAT amount — the tax itself.
- Gross amount — the total price including VAT.
How to use this tool
- Enter the net amount (before tax).
- Select the applicable VAT/GST rate for your country.
- Choose whether to add VAT to the net amount or extract it from a gross amount.
- Use the figures on your invoice.
Why this matters
Miscalculating consumption tax means you either overcharge the client or have to pay the shortfall out of your own profit. This tool ensures absolute accuracy for tax compliance.
Works well with
Frequently asked questions
Yes. Change the tax name field to VAT, GST, sales tax, or anything your invoice wording requires. Results rename automatically in the summary.
It reverses inclusive pricing: enter a gross amount and rate to see how much is net versus tax — useful when clients quote tax-included totals.
No. Rates and registration rules vary. Use this for quick arithmetic; verify compliance with an accountant for filings and cross-border rules.
It sums several net lines at different VAT rates (or gross lines in remove mode) so you can sanity-check an invoice or estimate with mixed categories.
It keeps a session log of amounts you add — handy when you are building up a figure across several receipts or line items before export.
Quick-fill buttons for common standard rates. You can still type any percentage when your supply is reduced rate, zero rated, or exempt.
Yes — copy or export the running list as CSV from the tool for a quick record alongside your bookkeeping.
Mixing tax-inclusive and tax-exclusive bases — applying a rate to the wrong starting number. Always check whether your amount is net or gross before choosing add vs remove.