Calculate an invoice with VAT
Enter your hours, your rate and the VAT rate. You see the subtotal, the VAT and the total for your invoice.
The total is €907.50.
| 10 hours × €75.00 | €750.00 |
|---|---|
| VAT (21%) | €157.50 |
| Total | €907.50 |
How to calculate an invoice
| Line | Formula |
|---|---|
| Amount for the hours | hours × rate per hour |
| Subtotal | amount for the hours minus the discount |
| VAT | subtotal × 21% (or 9%, 0% or reverse charge) |
| Total | subtotal + VAT |
An example. You work 10 hours at €75.00 per hour and give €50.00 discount. The subtotal is €750.00 minus €50.00 = €700.00. The VAT is 21% of €700.00 = €147.00. The total on the invoice is €847.00.
Reverse charge: what the invoice must show
If you reverse charge the VAT to your client, you charge no VAT. Put the words reverse charge VAT (btw verlegd) and the VAT identification number of your client on the invoice. Also read when to reverse charge VAT and what an invoice must contain.
Questions
When do I choose 0% VAT?
For export of goods outside the EU and for goods you supply to businesses in other EU countries. You usually invoice services to businesses in other EU countries with reverse charge VAT. For services in the Netherlands, 21% or 9% almost always applies.
Does the discount come off before or after the VAT?
This calculator subtracts the discount first and then calculates the VAT on the lower amount.
What do I put on the invoice with reverse charge VAT?
The words reverse charge VAT (btw verlegd) and the VAT identification number of your client. You charge no VAT. In your return the turnover goes in section 1e (reverse charged within the Netherlands) or 3b (services to businesses in other EU countries).
Is what I enter stored?
No. The calculation happens when the page loads and nothing is stored.
Read next
Sources
A calculator, not tax advice. Amounts are for 2026, updated 24 September 2026. Nothing you enter is kept. Also available as Markdown.