台湾の消費税・GST計算：NT$800（5.0%）
Instant 2026 calculation for Taiwan Business Tax (營業稅 / GUI VAT) on NT$800 in Taiwan (Standard Rate: 5.0%).
Add 5.0% GST (Excl → Incl)
NT$840.00
GST Added: +NT$40.00
Remove 5.0% GST (Incl → Excl)
NT$761.90
GST Extracted: -NT$38.10
Taiwan GST / Consumption Tax Breakdown on NT$800
| Net Amount (Excluding GST / 税抜) | NT$800.00 |
| + 5.0% Taiwan Business Tax (營業稅 / GUI VAT) | +NT$40.00 |
| Gross Total (Including GST / 税込) | NT$840.00 |
| Reverse Calculation: Gross Input NT$800.00 → Net Base | NT$761.90 (Tax: NT$38.10) |