🇸🇬 Singapore · GST
GST Calculator for Singapore — Add or Remove GST
Enter any amount in SGD — the calculator adds or removes GST at all official Singapore rates. Everything runs locally in your browser.
Result
—
| GST amount | — |
| Net amount (excl. GST) | — |
| Gross amount (incl. GST) | — |
Nothing you type here leaves your browser — there is no backend, no tracking and no account. Reload the page to reset.
How to add GST manually
Multiply the net amount by 1.09:
gross = net × 1.09
Example: S$1,000 × 1.09 = S$1,090.00 including GST at 9%.
GST rates in Singapore
| Rate | Name | Applies to |
|---|---|---|
| 9% | Standard | Most goods and services (9% since 2024) |
What GST rate applies to my product in Singapore?
Most goods and services take the standard 9% rate. Check IRAS guidance if your supply is atypical.
Is this calculator free to use?
Yes, and it will stay that way. All math runs in your browser — we never see your amounts, and there is nothing to sign up for.