VAT Calculator
Add VAT to a net amount or remove VAT from a VAT-inclusive gross amount using a user-entered VAT rate.
Enter your values
Change any assumption and calculate again to compare scenarios.
How This VAT Calculator Works
The calculator uses the transparent method shown on this page: Add VAT: gross = net ร (1 + rate). Remove VAT: net = gross รท (1 + rate). VAT amount = gross โ net. The calculation is performed locally in your browser. The core values used by this tool are amount, vat rate (%), calculation mode. Because the formula and supporting figures are visible, the answer can be checked independently rather than treated as a black-box result.
For reliable comparisons, use inputs from the same time period and definition. A ratio based on annual figures should not be mixed with a monthly amount unless the formula explicitly calls for it. For money calculations, the currency selector changes formatting only; it does not convert exchange rates.
How to Use the Calculator
- Enter the requested values using the labels and units shown.
- Select Calculate to run the formula locally in your browser.
- Review the headline result together with the supporting figures; those details are included to make the result easier to audit.
- On smaller screens, the result opens as a compact bottom panel inside the current viewport, so the answer is visible without scrolling down through the page.
- Use Copy Result, Share Result or Save Result Image when you need to keep the calculation.
Worked Example
For a net amount of 1,000 at a 20% entered VAT rate, VAT is 200 and gross amount is 1,200. If 1,200 is entered in Remove VAT mode at the same rate, the calculator returns the 1,000 net amount and 200 VAT component.
When checking the example with your own figures, change one input at a time. This makes it easier to see which assumption caused the result to move and helps catch data-entry mistakes before the number is reused elsewhere.
Common Uses
- Add VAT to a net invoice or quote amount.
- Extract the VAT component from a VAT-inclusive amount.
- Check net, VAT and gross amounts side by side.
- Use any user-entered percentage rather than relying on a country-specific default.
The calculator is designed for quick planning and verification. It is especially useful when you already know the source values and want a consistent calculation without building a spreadsheet formula from scratch.
How to Interpret the Result
VAT removal must reverse the original multiplication. For example, a gross amount containing 20% VAT is divided by 1.20 to recover the net amount; subtracting 20% of the gross amount would produce a different answer.
Keep the supporting values with the headline answer whenever the result may be reviewed later. A saved result is more useful when the original assumptions can still be understood, which is why the result card shows several supporting figures rather than only one number.
Common Search Questions About VAT Calculator
How do I calculate vat?
Use the calculator on this page and enter the requested values. Add VAT to a net amount or remove VAT from a VAT-inclusive gross amount using a user-entered VAT rate.
How can I get the vat result quickly?
Enter the required values, calculate, and review the result together with its supporting figures. On rebuilt mobile calculators, the answer is brought into the current viewport so the result is easy to find.
What values do I need to calculate vat?
Use the inputs shown in the calculator form and keep units consistent. For important decisions, use measured or verified values and review the page assumptions before relying on the result.
Important Limitations
The calculator does not determine the legally applicable VAT rate, registration status, place of supply, exemptions, reduced rates or reclaim eligibility. It is arithmetic only and not tax advice.
Results are estimates based only on the values entered. Before using a figure for a contract, filing, investment decision, loan application, payroll action or other important purpose, compare it with the source documents and rules that actually apply to that situation.
Privacy, Mobile Results and Downloads
The arithmetic runs in the browser. Values entered into the calculator are used by the page to generate the displayed result. Saving a result image creates a graphic locally from the displayed output so the user does not need to capture surrounding navigation or advertisements.
On phones and other narrow screens, the result is presented immediately as a bottom result panel. The page behind it is temporarily prevented from scrolling while the panel is open. This keeps the calculated answer and result actions close to the user even when the explanatory article below the calculator is long.
Frequently Asked Questions
Can I use a VAT rate other than 20%?
Yes. Enter the rate that applies to your calculation.
How do I remove VAT correctly?
Choose Remove VAT; the gross amount is divided by one plus the VAT rate.
Does the calculator decide whether VAT applies?
No. It only performs the arithmetic using the amount and rate you provide.