Singapore GST Calculator
Calculate GST at the current rate of 9% - Add, Remove, or Calculate GST Only
S$
Original Amount
S$0.00
GST Amount (9%)
S$0.00
Total with GST
S$0.00
Batch Results
Singapore GST Rate History
1 January 2024 - Present
9% GST
Current rate - Second phase of GST increase
1 January 2023 - 31 December 2023
8% GST
First phase of GST increase
1 July 2007 - 31 December 2022
7% GST
Rate held stable for over 15 years
1 January 2004 - 30 June 2007
5% GST
Second increase
1 April 1994 - 31 December 2003
3% GST
GST introduced in Singapore
Add GST Formula
To add 9% GST to a price:
Total = Price × 1.09
Example: $100 × 1.09 = $109
Remove GST Formula
To extract GST from an inclusive price:
Original = Total ÷ 1.09
Example: $109 ÷ 1.09 = $100
GST Only Formula
To calculate just the GST amount:
GST = Price × 0.09
Example: $100 × 0.09 = $9
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