台湾の消費税・GST計算：NT$19,500（5.0%）
Instant 2026 calculation for Taiwan Business Tax (營業稅 / GUI VAT) on NT$19,500 in Taiwan (Standard Rate: 5.0%).
Add 5.0% GST (Excl → Incl)
NT$20,475.00
GST Added: +NT$975.00
Remove 5.0% GST (Incl → Excl)
NT$18,571.43
GST Extracted: -NT$928.57
Taiwan GST / Consumption Tax Breakdown on NT$19,500
| Net Amount (Excluding GST / 税抜) | NT$19,500.00 |
| + 5.0% Taiwan Business Tax (營業稅 / GUI VAT) | +NT$975.00 |
| Gross Total (Including GST / 税込) | NT$20,475.00 |
| Reverse Calculation: Gross Input NT$19,500.00 → Net Base | NT$18,571.43 (Tax: NT$928.57) |