GST Calculator
Add or remove Singapore GST (9%).
100% in your browser — nothing uploaded- Before GST
- $100.00
- GST (9%)
- $9.00
- Total incl. GST
- $109.00
Singapore GST is 9% (effective 1 Jan 2024). Calculated in your browser.
About this tool
Add 9% GST to a price, or work out the GST already included in a total. Singapore rates, calculated instantly in your browser.
- Files are processed on your device — nothing is uploaded.
- No account, no watermark, no daily limits.
- Works offline once the page has loaded.
Frequently asked questions
- What is the GST rate in Singapore?
- GST is 9%, effective 1 January 2024 (up from 8% in 2023).
- How do I remove GST from a total?
- Switch to 'Remove GST' and enter the GST-inclusive amount. The tool divides by 1.09 to show the original price and the GST portion.
- Is my data sent anywhere?
- No. The calculation runs entirely in your browser.