VAT Calculator: Add or Remove VAT/GST Instantly
This VAT calculator adds or removes Value Added Tax (VAT) or Goods and Services Tax (GST) from any amount, showing the net price, VAT, and gross total at once. It is built for business owners writing invoices, freelancers checking their figures, and shoppers who want to know the tax behind a price.
Work forward in Add VAT mode to turn a tax-exclusive amount into the gross total, or backward in Remove VAT mode to extract the VAT hidden inside a tax-inclusive price. Set the rate with a preset button, pick your country to auto-fill its standard rate, or type any custom rate of your own.
How to Calculate VAT
Choose a mode
Pick Add VAT to add tax onto a net (before-tax) amount, or Remove VAT to pull the tax out of a gross (tax-inclusive) amount. The input and result labels update to match.
Enter the amount
Type the price into the amount field. Use the currency selector if you want the results formatted for a different currency.
Set the VAT rate
Tap a preset rate, choose your country to auto-fill its standard rate, or type a custom rate in the field for reduced or special rates.
Read the results
The net price, VAT amount, and gross total update instantly, along with a breakdown bar and the exact formula used. Switch on Batch Mode to do the same for a whole list at once.
Features
Add & Remove VAT
Switch between adding tax to a net amount and removing tax from a gross amount with one click; the labels adapt to the mode.
11 Preset Rates
Quick buttons for the most common rates from 5% to 25%, so the usual VAT/GST figures are always a single tap away.
100+ Country Rates
Standard VAT/GST rates for over 100 countries across Europe, Asia-Pacific, the Americas, and the Middle East & Africa, grouped by region.
Custom Rate Input
Type any rate with decimals for reduced, zero, or special rates that aren't covered by the presets or country list.
Visual Breakdown Bar
A color-coded bar shows the share of net price versus VAT in the total, with the percentage of each side labeled.
Formula Display
The exact calculation steps appear with your numbers, so you can see and verify how the net, VAT, and gross are derived.
Batch Mode
Enter one amount per line and get a table of net, VAT, and gross for each, plus a total row — ideal for invoicing and bookkeeping.
Currency Selector
Pick your currency and every amount is formatted with the right symbol and decimal handling for that currency.
One-Click Reset
Clear the amount, rate, country, and batch list and return to the default rate to start a fresh calculation.
Runs in Your Browser
All math happens locally and instantly with no sign-up; your financial figures never leave your device.
Frequently Asked Questions
How do I add VAT to a price?
Select the Add VAT tab, enter your net (before-tax) amount, and choose the rate. The formula is Gross = Net × (1 + Rate / 100). For example, adding 20% VAT to 100 gives a VAT of 20 and a gross total of 120.
How do I remove VAT from a gross amount?
Select the Remove VAT tab and enter the gross (tax-inclusive) amount. The formula is Net = Gross ÷ (1 + Rate / 100). Removing 20% VAT from 120, for example, gives a net of 100 and a VAT of 20.
How do I calculate VAT backwards (reverse VAT)?
Reverse VAT means working out the tax already baked into a final price. Use Remove VAT mode: enter the gross amount, set the rate, and the calculator shows both the net price and the VAT portion separately.
What is the difference between VAT inclusive and exclusive?
A VAT-exclusive (net) price is the amount before tax is added; a VAT-inclusive (gross) price already contains the tax. Use Add VAT when you have a net price and Remove VAT when you have a gross price.
What is the difference between VAT and GST?
VAT and GST are the same kind of consumption tax under different names. Most of Europe calls it VAT, while countries such as Australia, India, and Singapore call it GST. The math is identical, so this calculator handles both.
What VAT or GST rate should I use?
Select your country from the dropdown to auto-fill its standard rate, or tap one of the presets. Many countries also have reduced rates for items like food, medicine, or books — for those, type the exact rate into the custom field.
Can I calculate VAT for multiple amounts at once?
Yes. Open Batch Mode and enter one amount per line. The calculator returns a table with the net, VAT, and gross for each line plus a total row, which is handy for invoices and bookkeeping.
Are the built-in VAT rates accurate?
The country list uses standard national VAT/GST rates, but governments change rates over time and many have reduced or special rates. For anything official, confirm with your local tax authority, and use the custom rate field for the exact figure you need.
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