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Calculators for foreigners who live and work in Taiwan: tax residency days and other rules, with official sources. The calculation runs in your browser.
Tax and residency
Taiwan 183-day calculator
Enter your entry and exit dates. The calculator adds up your days in Taiwan for one tax year and shows your tax status: 90 days or fewer, 91 to 182 days, or 183 days or more.
Taiwan income tax calculator for foreigners
Choose your days in Taiwan, enter your salary and family, and see your Taiwan income tax for 2026 income (tax year 115, filed in May 2027) or 2025 income (tax year 114). Resident alien: progressive rates after exemptions and deductions. Non-resident alien: 18% or 6% withholding, and the 90-day rule for salary paid from abroad.