台湾の消費税・GST計算：NT$1,400（5.0%）
Instant 2026 calculation for Taiwan Business Tax (營業稅 / GUI VAT) on NT$1,400 in Taiwan (Standard Rate: 5.0%).
Add 5.0% GST (Excl → Incl)
NT$1,470.00
GST Added: +NT$70.00
Remove 5.0% GST (Incl → Excl)
NT$1,333.33
GST Extracted: -NT$66.67
Taiwan GST / Consumption Tax Breakdown on NT$1,400
| Net Amount (Excluding GST / 税抜) | NT$1,400.00 |
| + 5.0% Taiwan Business Tax (營業稅 / GUI VAT) | +NT$70.00 |
| Gross Total (Including GST / 税込) | NT$1,470.00 |
| Reverse Calculation: Gross Input NT$1,400.00 → Net Base | NT$1,333.33 (Tax: NT$66.67) |