Sales Tax Add calculator using GBP. Rates are user-entered where laws or local rates can vary.
Reverse VAT Calculator (UK)
Sales Tax Remove calculator using GBP. Rates are user-entered where laws or local rates can vary.Country Specific · Locale Tools
Quick answer
If tax-inclusive amount is £1,200 and tax rate is 20%, the pre-tax amount is £1,000 and the tax portion is £200.
Enter your values
Pre-tax amount
£1,000
The amount before tax, tip, or any other adjustment is applied on top.
20% is tax portion
More in Locale Tools
All Locale Tools calculators- Locale ToolsOpen
Sales Tax Remove calculator using USD. Rates are user-entered where laws or local rates can vary.
Locale ToolsOpenDiscount calculator using GBP. Rates are user-entered where laws or local rates can vary.
Locale ToolsOpenInvestment Growth calculator using GBP. Rates are user-entered where laws or local rates can vary.
Locale ToolsOpenSales Tax Remove calculator using SGD. Rates are user-entered where laws or local rates can vary.
Locale ToolsOpenSalary Annual to Monthly calculator using GBP. Rates are user-entered where laws or local rates can vary.
Locale ToolsOpen
See how the result changes
Each table re-runs this calculator with one value changed and everything else left as it is.
Pre-tax amount by tax-inclusive amount
If tax-inclusive amount goes from £1,200 to £1,800, pre-tax amount changes from £1,000 to £1,500 (+50%).
| Tax-inclusive amount | Pre-tax amount |
|---|---|
| £600 | £500 |
| £900 | £750 |
| £1,200start | £1,000 |
| £1,800 | £1,500 |
| £2,400 | £2,000 |
Pre-tax amount by tax rate
If tax rate goes from 20% to 30%, pre-tax amount changes from £1,000 to £923.08 (−7.7%).
| Tax rate | Pre-tax amount |
|---|---|
| 10% | £1,090.91 |
| 15% | £1,043.48 |
| 20%start | £1,000 |
| 30% | £923.08 |
| 40% | £857.14 |
A quick guide to Reverse VAT (UK)
Sales Tax Remove calculator using GBP. Rates are user-entered where laws or local rates can vary. Use it to get an accurate pre-tax amount in seconds — free, with no sign-up.
Instant results
See your pre-tax amount the moment you enter your numbers.
Free, no sign-up
Every calculator here is free to use, with no account required.
Accurate & transparent
The same standard formula runs on our server for every calculation.
How to Use the Reverse VAT (UK) Calculator
Enter Tax-inclusive amount
Provide your tax-inclusive amount.
Enter Tax rate
Provide your tax rate, in %.
View Your Results
Get your pre-tax amount instantly, calculated on our server.
What is Reverse VAT (UK)?
Sales Tax Remove calculator using GBP. Rates are user-entered where laws or local rates can vary. This country specific tool works out your pre-tax amount instantly, so you don't have to do the math by hand.
“One quick calculation, so you always know your pre-tax amount before you decide.”
What Affects Your Pre-tax amount
Your pre-tax amount depends on the values below.
Tax-inclusive amount
Changing your tax-inclusive amount changes your pre-tax amount.
Tax rate
Changing your tax rate changes your pre-tax amount. Typically between 0 and 40 %.
Example Result
Here's what you can expect from a reverse VAT (UK) calculation:
- Tax-inclusive amount
- 1200
- Tax rate
- 20 %
- Pre-tax amount
- £1,000
- Tax portion
- £200
Frequently Asked Questions
- How does tax-inclusive amount affect pre-tax amount?
- If tax-inclusive amount goes from £1,200 to £1,800, pre-tax amount changes from £1,000 to £1,500 (+50%).
- How does tax rate affect pre-tax amount?
- If tax rate goes from 20% to 30%, pre-tax amount changes from £1,000 to £923.08 (−7.7%).
- How to calculate the price before VAT (UK)?
- Fill in tax-inclusive amount and tax rate in the Reverse VAT Calculator (UK) above and your pre-tax amount is calculated instantly. Change any value to see how the result responds.
- What does an example reverse VAT (UK) calculation look like?
- If tax-inclusive amount is £1,200 and tax rate is 20%, the pre-tax amount is £1,000 and the tax portion is £200.
- Is this calculator free to use?
- Yes — every calculator on this site is completely free, with no sign-up or account required.
- How accurate is this calculator?
- It uses the standard formula and calculates on our server for every request, so results are precise for the values you enter.
- Is my data saved anywhere?
- No. Nothing you enter is stored or sent anywhere unless you choose to share a link with your values included.
Customize this calculator
Pick a look, copy the code, and this Reverse VAT (UK) calculator — with its inputs and results — runs on your own website.
Theme color
Match your brand's colors
Corner style
Sharp, soft or fully rounded
Widget width
Compact, standard or full width
Live preview
Full widthThe same inputs, result and chart as the calculator above, styled with your choices.