EStore Tools

Reverse VAT Calculator

Back VAT out of a total at any rate, for any country, to find the net price and the exact VAT amount.

Describe the result you need. AI will set up the tool and ask for any missing details.

Configure with AI

Enter to submit · Shift + Enter for a new line

Sent to AI. Leave out passwords and private customer data.

Your numbers

$

20% UK, 23% Ireland, 19% Germany, 21% most of the rest of the EU. Use the exact rate for the country and product.

%

Your result · updates as you type

Net price (before VAT)

$100.00

$120.00 included $20.00 of VAT at 20%.

VAT amount
$20.00
VAT rate
20%
Total (gross)
$120.00

Make sure you're using the rate for that specific product, not just the standard rate: many countries charge a reduced or zero rate on food, books, children's items and more.

Breakdown

Total, VAT included
$120.00
Net price (total ÷ (1 + rate))
$100.00
VAT
$20.00

Backing VAT out of a total

Net price = total (VAT included) ÷ (1 + VAT rate)

Example: the default numbers (20%)

Total, VAT included
£120.00
VAT rate
20%

Net price = 120 ÷ 1.20 = £100.00. VAT = £20.00.

Common VAT rates to try

CountryStandard rate
United Kingdom20%
Ireland23%
Germany19%
France, Austria20%

This tool works at any rate, so it also suits a country's reduced or zero rate on a specific product, once you know the right one to use.

Questions people ask

How do you calculate VAT backwards from a total?

Divide the total by 1 plus the VAT rate (as a decimal). A £120 total at 20% VAT gives £120 ÷ 1.20 = £100 net.

Is this different from the UK or Irish VAT calculators?

Same math, but this one takes any rate, so it works for any country or for a reduced/zero rate the dedicated calculators don't cover.

Why not just take 20% off the total?

Because 20% VAT was added to the net price, not the total. Taking 20% off the total overstates the VAT and understates the net price; dividing by 1.20 is the correct reverse.

Does this work for UK VAT margin scheme sales?

No, use the VAT margin scheme calculator for that: VAT there is worked out on the profit margin, not the full sale price.

Related tools

UK VAT CalculatorAdd VAT to a net price or pull it out of a VAT-included total, at the UK's 20% standard, 5% reduced or 0% zero rate.Irish VAT CalculatorAdd or remove VAT at Ireland's 23%, 13.5%, 9%, 4.8% or 0% rates, with the categories each one covers.EU VAT CalculatorAdd or remove VAT using any EU country's standard rate, with separate B2C and B2B reverse-charge modes.VAT Margin Scheme CalculatorWork out VAT on the margin, not the full price, for second-hand goods, antiques, art and collectors' items sold under the UK, Irish or EU margin scheme.

Want this builtinto your store?

I'm Emmanuel, a Shopify and WooCommerce developer. If this tool pointed at something you'd rather have fixed for you (a faster store, cleaner product data, a migration, a custom feature), send me a note.

Emmanuel Asika

Emmanuel Asika

Shopify & WooCommerce developer, Dublin

I build and fix online stores: new builds, migrations, speed, SEO and the custom bits apps can't do.

hello@emmanuelasika.com
See my work

Last reviewed 30 September 2026.