Freelance Tax Calculator
Calculate income tax, resident tax, business tax, and take-home pay from revenue and expenses
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About Freelance Tax Calculator
The Freelance Tax Calculator helps sole proprietors and freelancers in Japan easily estimate their annual tax burden. Ideal for planning before filing your tax return or comparing the tax difference between blue and white returns.
It accurately computes progressive income tax, reconstruction tax (2.1%), resident tax (10% + flat 5,000 yen), and individual business tax (5% with 2.9M yen deduction). Supports basic deduction (480,000 yen), blue return special deductions (100K / 550K / 650K yen), social insurance deductions, and dependent deductions for precise take-home calculations.
All calculations run entirely in your browser — no personal data is sent to any server. Real-time tax simulation helps with annual revenue forecasting and financial planning for freelancers.
How to use Freelance Tax Calculator
- Enter your annual revenue and business expenses
- Select your blue return type (white return, simple bookkeeping, double-entry, or e-Tax)
- Enter social insurance premiums (national health insurance + pension) and other deductions
- Set the number of dependents to apply dependent deductions
- View the breakdown of income tax, resident tax, business tax, take-home pay, and effective tax rate
Benefits of Freelance Tax Calculator
- Get a quick tax estimate in seconds before filing your tax return
- Easily compare tax amounts by switching between blue return types
- Covers all major taxes: income tax, resident tax, business tax, and reconstruction tax
- All calculations happen in your browser — your income data never leaves your device
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