VAT Calculator
Add or remove VAT from a price at any rate.
VAT Calculator – Add or Remove VAT From Any Amount
Use the VAT Calculator to quickly add VAT to a net price or remove VAT from a VAT-inclusive total. Enter any amount, choose or type a VAT rate, and the calculator will show the net amount, VAT amount, and gross total instantly.
The tool supports custom VAT percentages and multiple currency symbols, making it useful for invoices, quotations, purchases, online sales, bookkeeping, and general tax calculations.
You can choose between:
Add VAT — when your starting amount does not include VAT.
Remove VAT — when your starting amount already includes VAT and you need to find the original price before VAT.
VAT rates and rules vary by country, product, service, and transaction type. This calculator performs the mathematical VAT calculation using the rate you enter.
What Is a VAT Calculator?
A VAT calculator helps you calculate Value Added Tax without working out the percentage manually.
It can answer questions such as:
- How much VAT should I add to a price?
- What is the total price including VAT?
- How much VAT is included in a gross amount?
- What was the original price before VAT?
- How much tax is included on an invoice?
- How do I calculate VAT using a custom percentage?
For example, if the net price is:
1,000
and the VAT rate is:
20%
the VAT amount is:
200
and the final VAT-inclusive amount is:
1,200
How to Use the VAT Calculator
The calculator provides two main modes.
Add VAT
Choose Add VAT when your amount is before VAT.
Enter:
Net Amount
and:
VAT Rate
The calculator displays:
- Net amount
- VAT percentage
- VAT amount
- Total including VAT
Example
Net amount:
1,000
VAT rate:
20%
VAT:
200
Gross amount:
1,200
Remove VAT
Choose Remove VAT when the amount you entered already includes VAT.
Enter:
VAT-Inclusive Amount
and:
VAT Rate
The calculator then finds:
- Original net amount
- VAT portion
- VAT-inclusive total
Example
Gross amount:
1,200
VAT rate:
20%
Net amount:
1,000
VAT amount:
200
How to Add VAT to a Price
To add VAT, use:
VAT Amount = Net Amount × VAT Rate ÷ 100
Then calculate:
Gross Amount = Net Amount + VAT Amount
Example: Add 20% VAT to 500
VAT:
500 × 20 ÷ 100 = 100
Gross total:
500 + 100 = 600
Therefore:
Net Amount = 500
VAT = 100
Total Including VAT = 600
The calculator performs both steps automatically.
How to Remove VAT From a Price
Removing VAT requires a different calculation.
You should not simply subtract the VAT percentage from the VAT-inclusive total.
The correct formula is:
Net Amount = Gross Amount ÷ (1 + VAT Rate ÷ 100)
Then:
VAT Amount = Gross Amount − Net Amount
Example: Remove 20% VAT From 1,200
First calculate the VAT factor:
1 + 20 ÷ 100 = 1.20
Then:
1,200 ÷ 1.20 = 1,000
VAT amount:
1,200 − 1,000 = 200
Therefore:
Gross Amount = 1,200
Net Amount = 1,000
VAT = 200
Why Removing VAT Is Different From Subtracting 20%
This is one of the most common VAT calculation mistakes.
Suppose an item costs:
100 before VAT
and 20% VAT is added.
VAT:
20
Final total:
120
If you try to remove VAT by subtracting 20% of 120:
120 − 24 = 96
That result is incorrect.
The correct calculation is:
120 ÷ 1.20 = 100
This is why the calculator uses division when removing VAT from an inclusive price.
VAT Formula
Add VAT Formula
VAT = Net Amount × VAT Rate ÷ 100
Gross = Net Amount + VAT
Remove VAT Formula
Net = Gross ÷ (1 + VAT Rate ÷ 100)
VAT = Gross − Net
These formulas work with any VAT rate entered into the calculator.
Net Price vs. Gross Price
Understanding the difference between net and gross amounts is important when working with VAT.
Net Amount
The net amount is the price before VAT is added.
Example:
Net = 1,000
VAT Amount
The VAT amount is the tax added to the net price.
Example:
VAT = 200
Gross Amount
The gross amount is the final total after VAT.
Example:
Gross = 1,200
So:
Net + VAT = Gross
VAT-Inclusive vs. VAT-Exclusive Prices
A VAT-exclusive price does not include VAT.
Example:
1,000 excluding VAT
At 20% VAT:
Final price = 1,200
A VAT-inclusive price already contains VAT.
Example:
1,200 including VAT
At 20% VAT:
Net amount = 1,000
VAT included = 200
The calculator automatically adjusts its formula depending on whether you choose Add VAT or Remove VAT.
VAT Calculation Example
Suppose a service costs:
2,500
and the applicable VAT rate is:
15%
VAT:
2,500 × 15 ÷ 100
= 375
Gross amount:
2,500 + 375
= 2,875
The final VAT-inclusive amount is:
2,875
Remove VAT Example
Suppose an invoice total is:
2,875
including:
15% VAT
Calculate the original net amount:
2,875 ÷ 1.15
= 2,500
VAT amount:
2,875 − 2,500
= 375
Therefore:
Net = 2,500
VAT = 375
Gross = 2,875
How to Calculate VAT on an Invoice
A VAT calculator can help when preparing or checking invoices.
Suppose your invoice contains:
Service Price: 1,500
VAT Rate: 20%
VAT:
300
Invoice total:
1,800
You can use Add VAT mode to calculate the final amount before sending the invoice.
If you receive an invoice with only a VAT-inclusive total, use Remove VAT mode to estimate the net amount and VAT portion.
VAT Calculator for Businesses
Businesses can use the calculator for tasks such as:
- Preparing quotations
- Calculating invoice totals
- Checking supplier invoices
- Setting VAT-inclusive prices
- Converting net prices to gross prices
- Separating VAT from purchase totals
- Checking tax amounts before bookkeeping
The calculator is designed for quick arithmetic rather than determining whether a particular transaction is legally subject to VAT.
VAT Calculator for Freelancers
Freelancers who charge VAT may need to convert a service price into a VAT-inclusive invoice total.
For example:
Service fee:
800
VAT rate:
20%
VAT:
160
Invoice total:
960
Using the calculator reduces the chance of percentage errors when preparing invoices or estimates.
VAT Calculator for Online Sellers
Online sellers may work with both VAT-inclusive and VAT-exclusive pricing.
The calculator can help you compare:
Base price
VAT amount
and:
Final selling price
For example:
Net product price:
250
VAT rate:
10%
VAT:
25
Gross price:
275
VAT Calculator for Shoppers
Shoppers can also use a VAT calculator to understand how much tax may be included in a displayed total.
If a receipt shows:
1,200 including 20% VAT
the calculator can separate the total into:
Net amount = 1,000
and:
VAT = 200
This can be useful when checking receipts, expenses, or purchase records.
How Custom VAT Rates Work
The calculator allows you to enter your own VAT percentage.
For example:
5%
7.5%
10%
15%
20%
or another rate.
This is important because VAT rates are not universal.
Different jurisdictions may apply:
- Standard rates
- Reduced rates
- Zero rates
- Exemptions
- Special rates for certain products or services
Always use the rate that applies to your specific transaction.
Can I Use Decimal VAT Rates?
Yes.
The calculator supports decimal rates such as:
7.5%
For example:
Net amount:
1,000
VAT:
1,000 × 7.5% = 75
Gross:
1,075
What Happens With 0% VAT?
A VAT rate of:
0%
is mathematically valid.
If the net amount is:
1,000
then:
VAT = 0
and:
Gross Amount = 1,000
In Remove VAT mode, the net and gross amounts are also the same when the rate is 0%.
How Currency Affects VAT Calculations
VAT is based on a percentage, so the mathematical calculation is the same regardless of currency.
For example:
€1,000 + 20% VAT = €1,200
and:
£1,000 + 20% VAT = £1,200
The selected currency symbol only changes how amounts are displayed.
The calculator can be used with:
$
€
£
₹
₨
or similar currency formats.
How Much of a VAT-Inclusive Total Is VAT?
A useful point is that a 20% VAT rate does not mean VAT represents 20% of the final gross amount.
For example:
Net:
100
VAT:
20
Gross:
120
VAT as a percentage of gross:
20 ÷ 120 × 100
= approximately:
16.67%
This happens because the 20% rate is applied to the net amount, not the gross total.
The calculator's VAT breakdown helps show this difference visually.
Quick VAT Examples
Using a VAT rate of 20%:
| Net Amount | VAT | Gross Amount |
|---|---|---|
| 100 | 20 | 120 |
| 250 | 50 | 300 |
| 500 | 100 | 600 |
| 1,000 | 200 | 1,200 |
The calculator updates example values automatically when you change the VAT rate.
Common VAT Calculation Mistakes
Subtracting the VAT Rate Directly From a Gross Price
Removing 20% VAT from 120 does not mean:
120 − 20% = 96
The correct net price is:
100
because:
120 ÷ 1.20 = 100
Confusing Net and Gross Prices
Always identify whether the starting amount:
includes VAT
or:
excludes VAT
before calculating.
Using the Wrong VAT Rate
VAT rates vary.
Make sure the rate you enter applies to the transaction you are calculating.
Calculating VAT From the Wrong Base Amount
When adding VAT, apply the percentage to the net amount.
When removing VAT, use the reverse formula based on the gross amount.
Rounding Too Early
Rounding intermediate calculations too early can create small differences.
The calculator keeps the calculation precise and then formats the result for display.
VAT Calculator for Quotes and Estimates
When preparing a quotation, you may know the price before tax.
Example:
Project price:
5,000
VAT rate:
15%
VAT:
750
Quote total:
5,750
Use Add VAT mode to calculate this quickly.
VAT Calculator for Receipts and Expenses
If a receipt displays only the VAT-inclusive total, use Remove VAT mode.
Example:
Receipt total:
575
VAT rate:
15%
Net:
500
VAT:
75
This can help when categorizing expenses or checking recorded VAT amounts.
Can VAT Be More Than 20%?
Mathematically, yes.
The calculator accepts custom VAT rates within its supported range.
However, the rate that legally applies depends on the relevant tax system and transaction.
The calculator does not choose the correct rate for you.
Does the VAT Calculator Determine Tax Liability?
No.
The tool performs percentage calculations using the values you enter.
It does not determine:
- Whether VAT must be charged
- Whether a business must register for VAT
- Whether a transaction is exempt
- Whether a reduced rate applies
- Whether VAT can be reclaimed
- Which jurisdiction's tax rules apply
For tax-specific requirements, use the applicable tax authority's guidance or qualified professional advice.
Frequently Asked Questions
What is VAT?
VAT stands for Value Added Tax. It is a consumption tax applied in many tax systems to goods and services.
How do I calculate VAT?
To add VAT:
VAT = Net Amount × VAT Rate ÷ 100
Then add the VAT amount to the net price.
How do I remove VAT?
Use:
Net = Gross ÷ (1 + VAT Rate ÷ 100)
Then:
VAT = Gross − Net
How do I add 20% VAT?
Multiply the net amount by:
0.20
and add the result to the original amount.
Example:
1,000 + 200 = 1,200
How do I remove 20% VAT?
Divide the gross amount by:
1.20
Example:
1,200 ÷ 1.20 = 1,000
Is removing VAT the same as subtracting the VAT percentage?
No. The VAT percentage was originally applied to the net amount, so removing VAT requires reversing that calculation.
What is a net amount?
The net amount is the value before VAT.
What is a gross amount?
The gross amount is the total after VAT has been added.
What is a VAT-inclusive price?
It is a price that already includes VAT.
What is a VAT-exclusive price?
It is a price before VAT is added.
Can I use a custom VAT percentage?
Yes. Enter the rate you want to calculate.
Can I use the calculator with different currencies?
Yes. VAT percentage calculations work the same regardless of currency.
Does the calculator know my country's VAT rate?
No. Enter the VAT rate that applies to your situation.
Calculate VAT Instantly
Use the VAT Calculator whenever you need to convert between a net and VAT-inclusive price.
Choose:
Add VAT
to calculate the tax and final total from a net amount.
Choose:
Remove VAT
to find the original price and VAT portion from a VAT-inclusive total.
The calculator gives you the net amount, VAT amount, VAT rate, gross total, formula breakdown, and quick examples so you can both get the answer and understand how it was calculated.