台湾の消費税・GST計算：NT$300（5.0%）
Instant 2026 calculation for Taiwan Business Tax (營業稅 / GUI VAT) on NT$300 in Taiwan (Standard Rate: 5.0%).
Add 5.0% GST (Excl → Incl)
NT$315.00
GST Added: +NT$15.00
Remove 5.0% GST (Incl → Excl)
NT$285.71
GST Extracted: -NT$14.29
Taiwan GST / Consumption Tax Breakdown on NT$300
| Net Amount (Excluding GST / 税抜) | NT$300.00 |
| + 5.0% Taiwan Business Tax (營業稅 / GUI VAT) | +NT$15.00 |
| Gross Total (Including GST / 税込) | NT$315.00 |
| Reverse Calculation: Gross Input NT$300.00 → Net Base | NT$285.71 (Tax: NT$14.29) |