シンガポールの消費税・GST計算：S$100（9.0%）
Instant 2026 calculation for Singapore Goods and Services Tax (IRAS GST) on S$100 in Singapore (Standard Rate: 9.0%).
Add 9.0% GST (Excl → Incl)
S$109.00
GST Added: +S$9.00
Remove 9.0% GST (Incl → Excl)
S$91.74
GST Extracted: -S$8.26
Singapore GST / Consumption Tax Breakdown on S$100
| Net Amount (Excluding GST / 税抜) | S$100.00 |
| + 9.0% Singapore Goods and Services Tax (IRAS GST) | +S$9.00 |
| Gross Total (Including GST / 税込) | S$109.00 |
| Reverse Calculation: Gross Input S$100.00 → Net Base | S$91.74 (Tax: S$8.26) |