VAT / GST CALCULATOR

VAT / GST Calculator — Add or Remove Tax Instantly

Free VAT, GST, and sales tax calculator for US and international businesses. Switch between tax-exclusive (add tax) and tax-inclusive (remove tax) pricing, choose from 10 currencies, and export a print-ready PDF — no signup, no data leaves your browser.

1. Calculation Type

2. Enter Amount & Tax Rate

Enter the net (exclusive) or gross (inclusive) amount.
VAT, GST, or sales tax percentage. 0–100.
Used for formatting only; not a currency conversion.
Fills the tax rate and currency based on the country you select.

3. Notes & Reference

TAX CALCULATION

VAT / GST Calculator

Reference: TAX-2026-001
Date:
Tax-Exclusive Tax is added to the net amount
Net Amount $1,000.00
Tax Rate 20.00%
Tax Amount $200.00
Gross Amount $1,200.00

Calculation Formula

Tax Amount = Net Amount × (Tax Rate ÷ 100)

$1,000.00 × 0.20 = $200.00

With a 20.00% tax rate, a net amount of $1,000.00 corresponds to a gross amount of $1,200.00, of which $200.00 is tax.

Notes

Tax calculation for invoice #INV-2026-001

This calculation is for informational and educational purposes. Tax rates vary by jurisdiction, product category, and current legislation. Consult a licensed tax professional for personalized advice.
Prepared By
Date
GUIDE

How to Use This VAT / GST Calculator

This free VAT calculator and GST calculator — also called a tax-inclusive calculator, sales tax calculator, or reverse VAT calculator — lets you add or remove VAT, GST, or sales tax in a single step. Choose Tax-Exclusive to add tax to a net amount, or Tax-Inclusive to extract tax from a gross amount. Enter the amount, the applicable rate, and your currency; the tool returns net, tax, and gross plus the exact formula used. To build a formal invoice or quote, use the Invoice Generator or Quotation Generator.

1

Choose Calculation Type

Tax-Exclusive adds tax to a net amount. Tax-Inclusive extracts tax from a gross amount.

2

Enter Amount & Tax Rate

Input the amount and the applicable VAT, GST, or sales tax percentage (0–100).

3

Choose Currency

Ten supported currencies: USD, EUR, GBP, CAD, AUD, INR, JPY, CNY, BRL, ZAR.

4

Review Results

Net amount, tax rate, tax amount, and gross amount side by side, with the formula shown.

5

Save, Print or Export

Save a draft, print the results, or download a PDF of the calculation for your records.

VAT / GST EDUCATION

What Does a VAT / GST Calculator Calculate?

A VAT / GST calculator converts between the net price (before tax), the tax amount, and the gross price (after tax). It supports the two pricing conventions used around the world:

Key VAT / GST calculations

  • Net Amount: The price before tax — the base on which tax is calculated in tax-exclusive mode.
  • Tax Amount: The VAT, GST, or sales tax itself, computed as a percentage of the net amount (exclusive) or extracted from the gross amount (inclusive).
  • Gross Amount: The final price the customer pays, including tax.
  • Tax Rate: The applicable percentage — e.g., 20% UK VAT, 19% German VAT, 10% Australian GST, 18% Indian GST, 5% Canadian GST.
  • Formula Display: The exact formula and substituted numbers, so you can verify the result.
  • Currency Formatting: Ten currencies supported for international invoicing.

Who should use this calculator?

  • Small Business Owners: Calculate VAT, GST, or sales tax for products and services.
  • Freelancers & Contractors: Determine tax amounts for invoices and receipts.
  • Accountants & Bookkeepers: Verify tax calculations and check compliance.
  • E-Commerce Sellers: Calculate tax for online sales across regions.
  • Consumers: Extract the hidden tax from an inclusive price.
  • Students & Educators: Learn the VAT/GST formulas with live examples.
METHODOLOGY

VAT / GST Calculator Methodology

MoneyTool uses the standard VAT and GST formulas for tax-exclusive and tax-inclusive calculations.

1. Tax-Exclusive (add tax)

Tax Amount = Net Amount × (Tax Rate ÷ 100)

Gross Amount = Net Amount + Tax Amount

Use this mode when the price you have is before tax. Common in US sales tax, B2B invoices, and jurisdictions where tax is added at checkout.

2. Tax-Inclusive (remove tax)

Net Amount = Gross Amount ÷ (1 + Tax Rate ÷ 100)

Tax Amount = Gross Amount − Net Amount

Use this mode when the price already includes tax. Common in UK, EU, Australian, and Indian retail, where consumer-facing prices must include VAT or GST.

3. Rounding

Results are displayed to two decimal places using standard half-up rounding via Intl.NumberFormat. For accounting, always apply the rounding convention required by your jurisdiction and tax authority.

4. Country presets

Selecting a country auto-fills the standard VAT or GST rate and the associated currency. Standard rates are provided for convenience only — verify the current rate and any reduced or zero-rated categories with your local tax authority.

Important assumptions

  • Tax rate is constant and applies uniformly to the entire amount.
  • Single-rate calculation — reduced, zero-rated, or multi-rate scenarios are not modeled.
  • No currency conversion is performed; the currency setting is for formatting only.
  • No cross-border reverse-charge or VAT-OSS rules are modeled.
  • Results are educational estimates, not official tax filings.
E-E-A-T & SOURCES

VAT / GST Information, Sources & Editorial Review

MoneyTool separates calculation results from financial education and personalized advice. The calculator uses standard VAT/GST mathematics; external guidance should be verified with official tax authorities.

Author and editorial responsibility

Methodology reviewed by the MoneyTool Finance Expert Team, a group of accountants, CPAs, and personal-finance analysts who maintain MoneyTool's calculator library and financial education content.

Last reviewed: | VAT / GST inclusive and exclusive calculations

Next review: When VAT or GST rates, country presets, or tax authority guidance change.

Official VAT, GST, and sales tax resources

  • UK — HM Revenue & Customs (HMRC): HMRC — VAT Rates is the official UK source for standard, reduced, and zero VAT rates.
  • European Commission — Taxation and Customs Union: EU VAT Rates lists current VAT rates for all EU member states.
  • U.S. Internal Revenue Service (IRS): IRS — Small Business and Self-Employed Tax Center covers US federal business tax obligations (state sales tax is administered at the state level).
  • U.S. Small Business Administration (SBA): SBA — Manage Your Business Finances covers pricing, invoicing, and financial record-keeping for small businesses.
  • Canada Revenue Agency (CRA): CRA — GST/HST for Businesses is the official Canadian GST/HST resource.
  • Australian Taxation Office (ATO): ATO — GST is the official Australian GST resource.
  • India — GST Council: GST Council is the official Indian GST authority.
  • Inland Revenue Authority of Singapore (IRAS): IRAS — GST is the official Singapore GST resource.
BEST PRACTICES

Tips for Accurate Tax Calculations

Ensure your tax calculations are correct, consistent, and compliant with these best practices.

Verify the Current Rate

VAT and GST rates change. Always confirm the applicable rate with the official tax authority for the country and product category.

Choose the Right Mode

Use tax-exclusive when quoting prices before tax; use tax-inclusive when the customer-facing price already includes tax.

Apply Consistent Rounding

Use the rounding convention required by your jurisdiction (often half-up or banker's rounding) and apply it consistently across invoices.

Consider Cross-Border Rules

B2B sales across EU borders often use the reverse-charge mechanism (0% charged, buyer self-assesses). Verify which rule applies to your transaction.

Keep Audit Records

Save the calculation, tax rate, and currency used. Our calculator lets you print or export a PDF for your audit trail.

Reconcile to Filings

Reconcile your VAT/GST calculations against your filed returns. Small recurring rounding differences compound over a fiscal year.

COMPARISON

VAT vs GST vs Sales Tax: What's the Difference?

Understanding the different types of consumption taxes is essential for global business. Learn more from the European Commission's VAT overview and HMRC's VAT guidance.

🇪🇺 VAT — Value Added Tax

  • Used in: UK, EU, Australia, New Zealand, South Africa
  • Structure: Multi-stage tax on the value added at each step of production and distribution
  • Key feature: Businesses reclaim VAT paid on purchases (input VAT)
  • Typical rates: UK 20%, Germany 19%, France 20%, Italy 22%, Spain 21%, Sweden 25%

🌏 GST — Goods & Services Tax

  • Used in: India, Canada, Singapore, Australia, New Zealand
  • Structure: Comprehensive tax on goods and services; some countries use dual Central + State GST
  • Key feature: Similar mechanics to VAT; often a single national rate
  • Typical rates: India 5/12/18/28%, Canada 5%, Singapore 9%, Australia 10%, New Zealand 15%

🇺🇸 Sales Tax

  • Used in: United States (state and local)
  • Structure: Single-stage tax on the final retail sale to the consumer
  • Key feature: Rates vary by state, county, and city; nexus rules determine where tax is due
  • Typical rates: California 7.25%, New York 4%, Texas 6.25%, Florida 6%

Key takeaway: VAT and GST are multi-stage consumption taxes used in most countries outside the US. US sales tax is single-stage and varies by jurisdiction. Use the same inclusive/exclusive logic to calculate any of them.

FAQ

Frequently Asked Questions About VAT & GST

What is the difference between VAT and GST?

VAT (Value Added Tax) and GST (Goods and Services Tax) are both consumption taxes levied on goods and services. VAT is common in the UK, EU, and much of the world. GST is used in India, Canada, Australia, Singapore, and New Zealand. Both are typically included in the price displayed to consumers and are collected by businesses on behalf of the government.

What is tax-exclusive pricing?

Tax-exclusive pricing means the listed price does not include tax. The tax is added on top of the net amount. For example, a $100 product with 20% VAT would cost $120 including tax, with $20 of tax. This is common in US sales tax and B2B transactions.

What is tax-inclusive pricing?

Tax-inclusive pricing means the listed price already includes tax. For example, a $120 product with a 20% inclusive tax has a net value of $100 and $20 of tax. This is common in UK, EU, and Australian retail, where consumer-facing prices must include VAT or GST.

How do I calculate VAT or GST?

Tax-Exclusive: Tax Amount = Net Amount × (Tax Rate ÷ 100). Tax-Inclusive: Net Amount = Gross Amount ÷ (1 + Tax Rate ÷ 100); Tax Amount = Gross Amount − Net Amount. Our calculator handles both automatically.

How do I remove VAT or GST from a price?

To remove tax from a tax-inclusive price, divide the gross amount by (1 + tax rate). For example, $120 gross at 20% VAT: $120 ÷ 1.20 = $100 net, so the tax is $20. Switch to Tax-Inclusive mode in our calculator and enter the gross amount.

What are the standard VAT rates around the world?

Standard VAT rates vary by country: UK 20%, Germany 19%, France 20%, Italy 22%, Spain 21%, Netherlands 21%, Ireland 23%, Sweden 25%, Denmark 25%, Australia 10% GST, New Zealand 15% GST, Canada 5% GST, India 5–28% GST, Singapore 9% GST. Always verify the current rate with your local tax authority.

Does the VAT rate vary by product type?

Yes. Many countries apply reduced VAT rates to specific goods and services. The UK has 0% (zero-rated), 5% (reduced), and 20% (standard) rates. EU countries have reduced rates typically from 5% to 12%. Food, books, children's clothing, and medicines often benefit from reduced rates. Verify the applicable rate for your product category.

Is this VAT / GST calculator free?

Yes. MoneyTool provides this VAT / GST calculator free for personal and business use with no signup required.

Can I export my tax calculation?

Yes. You can save a draft, print the results, or download a PDF of the tax calculation for your records. All data stays in your browser.

Is my tax data saved on your servers?

No. All calculations run in your browser. Drafts are saved to your browser's local storage. Nothing is sent to MoneyTool servers.

GLOSSARY

Tax Terminology: Key Terms Explained

Understanding tax terminology helps you make accurate calculations and stay compliant:

Net Amount

The base price before any tax is applied. Also known as the pre-tax amount or tax-exclusive price.

Gross Amount

The final price including all taxes. This is what the customer actually pays.

Tax Amount

The specific amount of tax charged on a transaction. Calculated as a percentage of the net (exclusive) or extracted from the gross (inclusive).

Tax Rate

The percentage at which goods or services are taxed. Expressed as a percentage (e.g., 20%).

Tax-Exclusive

A pricing method where the displayed price does not include tax. Tax is calculated and added separately.

Tax-Inclusive

A pricing method where the displayed price already includes tax. The tax amount is extracted from the gross price.

VAT

Value Added Tax — a consumption tax applied at each stage of production based on the value added at that stage.

GST

Goods & Services Tax — a comprehensive tax on the supply of goods and services, similar to VAT.

Reverse Charge

A mechanism where the buyer (not the seller) accounts for the VAT on a cross-border B2B supply. Common in EU B2B transactions.

Input VAT / GST

The tax a business pays on its own purchases. In most VAT/GST systems, this is reclaimable against output tax owed on sales.

Output VAT / GST

The tax a business charges its customers on sales. This is the amount remitted to the tax authority, less any reclaimable input tax.

Zero-Rated

A 0% VAT rate applied to specific goods (e.g., most food and books in the UK). The seller can still reclaim input VAT.

LEGAL

VAT / GST Calculator Disclaimer