VAT Calculator: Net, VAT and Gross
Calculate a net amount, VAT amount or gross amount from any one of these values. You can also compare common VAT rates.
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VAT calculation
Edit the net amount, VAT or gross amount: the other two values are recalculated automatically.
Compare several VAT rates
Using the current net amount, instantly compare several common VAT rates.
| Rate | VAT | Gross |
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Why use this tool?
This VAT calculator instantly converts net to gross, gross to net, or reconstructs the amounts from the VAT itself. It also lets you compare several common VAT rates.
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Your data stays on your device and is never sent to our servers.
Smart processing
Calculate and compare financial scenarios with clear indicators and explicit formulas.
Supported formats
Amounts, rates, terms and financial assumptions depending on the calculator.
Save time
Get a clean, ready-to-use result in seconds without installing software or configuring a complex workflow.
VAT calculation formulas
Conversions between net, VAT and gross rely on three simple relationships.
Net to gross
Gross = Net × (1 + VAT rate)
Use the rate as a decimal: 20% = 0.20.
VAT amount
VAT = Net × VAT rate
VAT is calculated from the net amount.
Gross to net
Net = Gross / (1 + VAT rate)
For example, divide a gross amount by 1.20 when the VAT rate is 20%.
The applicable VAT rate depends on the product or service, jurisdiction and tax situation.
See the detailed explanationConvert net to gross
Add VAT to the net amount using the coefficient that matches the rate.
- 20% → multiply net by 1.20
- 10% → multiply net by 1.10
- 5.5% → multiply net by 1.055
Find net from gross
To remove VAT already included, divide gross by the VAT coefficient rather than subtracting the percentage directly.
- Gross ÷ 1.20 at 20%
- Gross ÷ 1.10 at 10%
Fonctionnement
How does this tool work?
The calculation is centralized in a shared engine. The interface simply tracks the value you last edited — net, VAT or gross — and recalculates the other two.
Choose a preset VAT rate or enter your own custom rate.
The multi-rate comparison reuses the same engine from the current net amount to keep every result consistent.
Use cases
Net to gross
Add VAT to a net price to get the final gross price immediately.
Gross to net
Break down a gross price to find its net base and included VAT.
Calculate VAT amount
Identify the exact tax amount for a given net amount and rate.
Compare rates
See how several VAT rates affect the same net amount.
Guide
How to use this tool
- 1
Choose the VAT rate
Select a preset rate or use a custom rate.
- 2
Enter one amount
Enter the net amount, VAT or gross amount.
- 3
Read the other two amounts
The calculation updates automatically after every change.
- 4
Compare rates if needed
Advanced options show the effect of several rates on the same net amount.
Examples
€100 net with 20% VAT
VAT: €20; gross: €120.
Input
€100 net · VAT 20%€120 gross with 20% VAT
Net: €100; included VAT: €20.
Input
€120 gross · VAT 20%Tips and best practices
- To remove VAT from a gross price, do not subtract the percentage directly: use Gross / (1 + rate).
- Displayed amounts are rounded to two decimals for readability while the engine keeps calculation precision.
- For margin analysis, net amounts are generally used so collected VAT is not confused with margin.
Frequently asked questions
How do I convert net to gross?
Multiply the net amount by 1 plus the VAT rate as a decimal. At 20%, €100 net becomes €120 gross.
How do I find net from gross?
Divide gross by 1 plus the VAT rate. At 20%, €120 divided by 1.20 gives €100 net.
How do I calculate only the VAT amount?
Multiply the net amount by the VAT rate as a decimal. €100 net at 20% gives €20 VAT.
Why should I not simply subtract 20% from a gross price with 20% VAT?
Because the 20% was calculated on the net amount, not on gross. €120 gross at 20% corresponds to €100 net, not €96.
Is VAT part of the commercial margin?
Commercial margin is generally analysed using net amounts. Collected VAT is therefore not treated as margin.
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