TaxAdd

Sales Tax / VAT Calculator

Two modes: add tax to a pre-tax price, or back out the tax from a final price that already includes it.

Pre-tax amount

Tax rate

Net (pre-tax)

$100.00

Tax

$8.00

Gross (with tax)

$108.00

What you entered

Pre-tax amount: $100Tax rate: 8%

Result

Tax: $8.00

At a 8% tax rate, the net amount is $100.00, tax is $8.00, and the gross total is $108.00.

Backing out VAT

A 20% VAT means the tax is 20% of the pre-tax price — which is 1/6 (16.67%) of the tax-inclusive price. Divide the gross by 1.2, not 0.8.

Revenue, cost → gross profit, margin %, markup %.

Cost + markup % → final price.

Units and revenue needed to cover fixed costs.

Original price + discount % → final price, savings.