台湾の消費税・GST計算：NT$90,000（5.0%）
Instant 2026 calculation for Taiwan Business Tax (營業稅 / GUI VAT) on NT$90,000 in Taiwan (Standard Rate: 5.0%).
Add 5.0% GST (Excl → Incl)
NT$94,500.00
GST Added: +NT$4,500.00
Remove 5.0% GST (Incl → Excl)
NT$85,714.29
GST Extracted: -NT$4,285.71
Taiwan GST / Consumption Tax Breakdown on NT$90,000
| Net Amount (Excluding GST / 税抜) | NT$90,000.00 |
| + 5.0% Taiwan Business Tax (營業稅 / GUI VAT) | +NT$4,500.00 |
| Gross Total (Including GST / 税込) | NT$94,500.00 |
| Reverse Calculation: Gross Input NT$90,000.00 → Net Base | NT$85,714.29 (Tax: NT$4,285.71) |