Singapore 9% GST calculator

Calculate Singapore 9% GST on net prices or reverse calculate pre-tax amounts from gross consumer receipts. Free online Singapore sales tax tool.

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Amount ($ SGD)

GST Rate Singapore Goods and Services Tax

Calculation Type Calculate forward tax or reverse tax from receipt

Quick presets:

GST Portion ()

Net (Excl. GST)

GST (9%)

Gross (Total)

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Singapore GST calculator (9%): all options

Calculate Singapore Goods and Services Tax at the current 9% rate. Add GST to net invoices or extract pre-tax values from gross totals.

1 Enter the transaction amount in Singapore Dollars ($ SGD).
2 Choose "Add GST" to calculate retail total or "Extract GST" to find pre-tax net cost.
3 Select the GST rate (9% current standard rate, or 8%/7% historical rates).
4 View the net amount, GST tax portion, and gross total.

How do I reverse calculate 9% GST?

Divide the gross total by 1.09. The result is the pre-tax net amount, and the remainder represents the 9% GST.

What is the current GST rate in Singapore?

The Singapore GST rate is 9%, which took effect on 1 January 2024 following the phased increase from 7% to 8% in 2023 and 8% to 9% in 2024.

How do I extract 9% GST from a gross receipt?

Divide the gross total by 1.09 to find the pre-tax net amount. The difference between the gross total and net amount is the 9% GST.

Is my data uploaded?

No. This tool runs in your browser, so your text and files never reach our server.

Is this tool free?

Yes. It’s free to use with no sign-up and no limits for normal use.