VAT calculator

Find net, VAT and gross amounts using an entered rate.

Enter your rate: no country or statutory rate is chosen automatically. One rate applies to one total amount. The starting amount is rounded. From net, VAT is rounded then added; from gross, net is rounded and VAT is the difference. Example: net 100 at 20% → VAT 20, gross 120. No multiple-rate breakdown or per-invoice-line rounding.

Both dots and commas are accepted as decimal separators.

Your inputs stay in your browser.

Method and assumptions

Method version 1.0.0 · Updated

Calculate VAT

Formula: Gross = net × (1 + rate/100); net = gross / (1 + rate/100)

Enter your rate: no country or statutory rate is chosen automatically. One rate applies to one total amount. The starting amount is rounded. From net, VAT is rounded then added; from gross, net is rounded and VAT is the difference. Example: net 100 at 20% → VAT 20, gross 120. No multiple-rate breakdown or per-invoice-line rounding.

amount
Starting amount
direction
The entered amount is
rate
VAT rate (%)
precision
Money decimal places

All amounts use the same currency, without conversion. Choose 0, 2 or 3 decimal places for your needs. Rounded to nearest, ties up.