シンガポールの消費税・GST計算：S$800（9.0%）
Instant 2026 calculation for Singapore Goods and Services Tax (IRAS GST) on S$800 in Singapore (Standard Rate: 9.0%).
Add 9.0% GST (Excl → Incl)
S$872.00
GST Added: +S$72.00
Remove 9.0% GST (Incl → Excl)
S$733.94
GST Extracted: -S$66.06
Singapore GST / Consumption Tax Breakdown on S$800
| Net Amount (Excluding GST / 税抜) | S$800.00 |
| + 9.0% Singapore Goods and Services Tax (IRAS GST) | +S$72.00 |
| Gross Total (Including GST / 税込) | S$872.00 |
| Reverse Calculation: Gross Input S$800.00 → Net Base | S$733.94 (Tax: S$66.06) |