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Tax Savings Calculator

How much could your business expenses reduce your taxes?

Your numbers

¥

The total amount of expenses you expect to claim.

Estimated tax reduction
¥25,200

Exact difference under the rules for 2026 income

Effective Savings Rate
25.2%
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About the Tax Savings Calculator

Estimate how much Japan income tax, residence tax and enterprise tax a business expense saves, exactly, under the rules for 2026 income. Free calculator for freelancers and the self-employed.

How to use this estimate

Enter your details, review the result, then adjust the inputs to compare scenarios. The result is an estimate, not a tax return.