JapanUpdated for 2026FinanceJapan Medical Expense Tax Deduction Calculator 2026
Calculate your statutory income tax refund under Japan's Medical Expense Deduction (expenses exceeding 100,000 JPY per year across your household).
Estimated Total Tax Refund
Approved Medical Deduction Base
Calculator Inputs
Estimated Total Tax Refund
Approved Medical Deduction Base
Net Out-of-Pocket Expenses
Deduction Floor Threshold
Expenses exceed statutory floor thresholds; you qualify for an income tax refund via Kakutei Shinkoku.
Medical Costs vs Refund
Based on Income Tax Act Art. 73. Out-of-pocket medical bills must be net of insurance reimbursements or high-cost medical refunds.
This calculator is a mathematical model for general financial estimation, planning, and educational guidance. Results depend on your inputs and standard formulas, and do not constitute binding financial, tax, or investment advice. Always consult a qualified professional before making financial decisions.
Calculation Methodology
Deduction = Medical Out-of-Pocket - Insurance Payouts - Min(100,000 JPY, 5% of Net Income).
Frequently Asked Questions
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