VAT calculator
Add VAT to a price, or work out how much VAT is inside a price that already includes it. South Africa’s 15% is set; pick another country or type any rate.
Without VAT
100.00VAT at 15%
15.00Including VAT
115.00100.00 × 15% = 15.00 VAT, so 115.00 in total.
What would make this VAT calculator more useful?
The working
- Adding VAT: price × rate = VAT; price + VAT = total. At 15%, R100 becomes R115.
- Removing VAT: total ÷ (1 + rate) = price without VAT. At 15%, R115 ÷ 1.15 = R100, so the VAT inside is R15.
- Amounts are rounded to the cent.
Rates last checked 1 November 2026. Rates change in national budgets; check your tax authority (SARS in South Africa) before you rely on one. This is arithmetic, not tax advice.
Questions
How do I calculate VAT at 15%?
Multiply the price without VAT by 0.15 to get the VAT, and by 1.15 to get the price including VAT. R100 without VAT is R15 VAT and R115 in total.
How do I work out the VAT inside a price?
Divide the price including VAT by 1.15 to get the price without VAT; the difference is the VAT. In R115, the VAT is R15. At another rate, divide by 1 plus the rate (1.20 for 20%).
What is South Africa's VAT rate?
15%, the rate in force when we last checked (the date is on this page). Rates can change in a national budget, so check SARS for the current rate.
Is this tax advice?
No. It is arithmetic at the rate you choose; for what to charge or claim, ask your tax authority or an accountant.
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