シンガポールの消費税・GST計算：S$18,000（9.0%）
Instant 2026 calculation for Singapore Goods and Services Tax (IRAS GST) on S$18,000 in Singapore (Standard Rate: 9.0%).
Add 9.0% GST (Excl → Incl)
S$19,620.00
GST Added: +S$1,620.00
Remove 9.0% GST (Incl → Excl)
S$16,513.76
GST Extracted: -S$1,486.24
Singapore GST / Consumption Tax Breakdown on S$18,000
| Net Amount (Excluding GST / 税抜) | S$18,000.00 |
| + 9.0% Singapore Goods and Services Tax (IRAS GST) | +S$1,620.00 |
| Gross Total (Including GST / 税込) | S$19,620.00 |
| Reverse Calculation: Gross Input S$18,000.00 → Net Base | S$16,513.76 (Tax: S$1,486.24) |