🧮 VAT Calculator

Add or remove VAT / sales tax instantly. Supports all rates and both directions.

Net (Excl. Tax)
1,000.00
Tax Amount
200.00
Gross (Incl. Tax)
1,200.00
Formula: Net × (1 + 20%) = Gross → 1,000 × 1.20 = 1,200

How VAT and Sales Tax Calculation Works

Adding VAT (net → gross)

When you know the pre-tax (net) price and want the final price the customer pays:

Gross = Net × (1 + Rate)
Tax Amount = Net × Rate

Example: Net $500, 20% VAT → Gross = $500 × 1.20 = $600. Tax = $100.

Removing VAT — Reverse VAT (gross → net)

When you have a VAT-inclusive price and need to extract the tax component:

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

Example: Gross $600, 20% VAT → Net = $600 ÷ 1.20 = $500. Tax = $100.

A common mistake is to calculate 20% of the gross ($600 × 20% = $120). That gives the wrong answer. The correct approach always divides by (1 + rate).

Multi-Rate Invoices

Many countries apply different VAT rates to different product categories. Use the multi-item panel to calculate an invoice where, for example, services attract 20% VAT while fuel/energy attracts 5%. The tool shows a subtotal per rate and the grand total.

VAT vs Sales Tax: Key Differences

VAT and sales tax both tax consumption, but they work differently:

  • VAT (used in the UK, EU, Australia, India, Canada) is collected at every stage of the supply chain. Each business pays VAT on its purchases but reclaims it, so the end consumer bears the full cost.
  • Sales tax (US) is only collected at the point of final sale. Businesses do not charge each other sales tax on intermediate transactions.
  • For an individual consumer, the math is identical: the price you pay includes a tax component at a stated rate.
  • US sales tax is complicated by the fact that rates vary by state, county, and city. California's combined rate is typically around 7.25%–10.75% depending on location. Always verify the exact rate for your jurisdiction.

Frequently Asked Questions