Taiwan Tax Calculator (2026) — Add or Reverse Tax
Taiwan charges a 5% VAT, a 20% corporate tax rate, and a 40% top personal income tax rate.
How to use this calculator:
- Purchase mode — add VAT to a pre-tax price, or reverse a tax-included total to find the pre-tax price and exact tax paid.
- Profit / salary modes — enter an amount to see the corporate tax owed or a ceiling estimate of personal tax at the top marginal rate.
Understanding Taiwan's Tax System
Taiwan levies VAT at a standard rate of 5%. Its statutory corporate income tax rate is 20%, below the 23.37% global average. The top personal income tax rate is 40%.
Region
Asia
VAT rate
5%
vs. world average corporate rate
3.4 points below the 23.37% global average
Why Reverse Tax Calculation Matters
Receipts and invoices usually show only the tax-included total — not the pre-tax price. Reversing the calculation matters for bookkeeping, expense claims, and cross-border price comparisons. Because dividing by (1 + rate) isn't the same as simply subtracting the rate, doing this by hand is a common source of errors — select "Reverse" in the purchase-mode calculator above to handle it exactly.
History & Context
Taiwan's business tax system runs two parallel tracks — a Value Added Tax (currently 5%) for most businesses and a separate Gross Business Receipts Tax for specific sectors like banking and insurance that don't fit the standard VAT input-credit model.
Taiwan Semiconductor Manufacturing Company (TSMC) alone paid over NT$100 billion (roughly $3.4 billion) in corporate income tax in 2024 — about 15.9% of Taiwan's entire corporate income tax collection from a single company — illustrating how concentrated Taiwan's corporate tax base is around its dominant semiconductor industry.
Business Use Case
A small Taiwanese business with taxable income under NT$120,000 pays no corporate income tax at all, while a company like TSMC above that threshold pays the standard 20% rate on a vastly larger base — Taiwan's flat 20% rate applies uniformly once the small-business exemption threshold is crossed.
Real-World Examples
VAT on a purchase
A NT$1,000.00 purchase in Taiwan at 5%:
- Tax: NT$1,000.00 × 5% = NT$50.00
- Total: NT$1,050.00
Corporate tax on profit
NT$1,000.00 in company profit in Taiwan at 20%:
- Tax: NT$1,000.00 × 20% = NT$200.00
- After-tax profit: NT$800.00
Frequently Asked Questions — Taiwan Taxes
What is the VAT rate in Taiwan?▾
What is the corporate tax rate in Taiwan?▾
What is the top personal income tax rate in Taiwan?▾
How is tax calculated on a purchase in Taiwan?▾
How do I reverse Taiwan's VAT to find the price before tax?▾
References & Sources
Rates last verified for 2026. Tax rates change through national budgets — always confirm current figures with a qualified local tax advisor before making business or relocation decisions. This tool is for estimation and educational purposes only and is not tax, legal, or accounting advice.
Jordan Hayes
Verified AuthorLead Content Editor & Personal Finance Specialist
Jordan Hayes is a personal finance content strategist with 9+ years building educational finance and health resources. He has written and fact-checked over 200 personal finance guides covering mortgage amortization, retirement planning, tax strategy, and budgeting. His work applies IRS publications, Federal Reserve data, and peer-reviewed research to make complex calculations accessible.