GST / VAT / Sales Tax Calculator

Pick a country preset, change the rate if it has moved since we wrote this, and see the formula and result. Estimates only. Verify with your tax authority before relying on it.

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Country presetMode

Amount (SGD)GST rate (%, editable)

Rates are pre-filled for convenience but always editable. Verify the current rate with your country's tax authority. Calculator results are estimates only, not professional advice.

Result

Net (excl. GST)SGD 100.00

GST (9%)SGD 9.00

Gross (incl. tax)SGD 109.00

gross = amount × (1 + rate)