Singapore GST Calculator
Enter an amount and choose whether it already includes GST or not.
Reflects Flat 9% (since 2024) rates (effective 2024-01-01).
Last checked 2026-09-11 · v1. Tax rules change — verify against an official source before relying on this for a filing.
Source.
Singapore GST Calculator
Add or remove Singapore’s 9% GST from an amount.
This is an estimate for general informational purposes only. Some supplies are zero-rated, exempt, or out of scope — verify the correct treatment for your specific goods or services with IRAS.
Singapore’s Goods and Services Tax (GST) rate is 9%, reached on 1 January 2024 as the final step of a phased increase from 7%.
Example
- With the default values shown above, this calculator returns: Net Amount ≈ SGD 100.00; GST Amount ≈ SGD 9.00; Total (incl. GST) ≈ SGD 109.00.
Frequently Asked Questions
When did GST reach 9%?
GST rose from 7% to 8% on 1 January 2023, then to 9% on 1 January 2024, completing the phased increase announced in Budget 2022.
Is any further increase planned?
No further increase has been announced as of this writing — 9% is expected to remain the standard rate going forward.