OVERTIME PAY
Breakdown: Hourly Rate ¥1,875 × 20h × 1.25
Annual estimate (same conditions): ¥562,500
Scheduled (contractual) hours per month. Typically 160h (8h × 20 days)
Overtime Rate
Regular overtime (within 60h/month)
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"Am I being paid correctly for my overtime?" This is a question many employees in Japan have — and it's harder to answer than it should be. Japan's Labor Standards Act sets specific multiplier rates for overtime: 1.25× for standard overtime, 1.35× for overtime past 60 hours per month (at companies with 20+ employees), and 1.5× for late-night work. Many employees — Japanese and international alike — never verify whether their pay slip actually matches these legal requirements. This tool calculates your legally required overtime pay based on your base salary, working hours, and overtime hours. Comparing the result with your pay slip immediately shows whether you're being compensated correctly. Note: this tool is for informational purposes only and does not constitute legal advice.
How to Use Your Results
Once you have your calculated amount, compare it to the 'overtime pay' line on your pay slip. If there's a discrepancy, start by collecting evidence: time card records, attendance system screenshots, work emails, and personal logs all count. Then raise the issue formally with your company's HR or labor affairs department. If unresolved internally, you can consult the Labor Standards Inspection Office (労働基準監督署) free of charge. A labor attorney or social insurance labor consultant (社労士) can help you file a formal claim with greater certainty. Important: unpaid overtime claims are subject to a 3-year statute of limitations (for amounts accruing after April 2020). If you suspect underpayment, act sooner rather than later.
✦ FROM HATCH
Most people have never calculated their own overtime pay. If your time is being taken, at least know exactly what it's worth.
Read why we built this →Overtime Pay FAQ
Q. What if my employer doesn't pay my overtime?
A. You may be able to claim unpaid wages. Consider consulting a labor attorney or filing a complaint with the relevant labor authority. Statutes of limitations on unpaid overtime vary by jurisdiction.
Q. Is a fixed overtime allowance legal?
A. Fixed overtime pay can be legal under certain conditions, but your employer must pay additional wages if your actual overtime exceeds the fixed amount.
Q. When does the overtime rate increase to ×1.5?
A. Under Japanese labor law, overtime exceeding 60 hours per month is paid at ×1.5. This applies to all companies, including small businesses (since April 2023).
Q. What is the late-night premium?
A. An additional 25% is added for work between 10 PM and 5 AM. When combined with regular overtime (25%), the total premium is 50%.
Q. What should I do if I discover my overtime pay is underpaid?
A. Start by gathering evidence: time cards, attendance records, work emails, and personal logs are all useful. Then formally request payment from your company's HR or labor department. If unresolved internally, consult the Labor Standards Inspection Office (労働基準監督署) for free, or engage a labor attorney or social insurance labor consultant (社労士) to pursue a formal claim. The statute of limitations for unpaid overtime is 3 years (for amounts accruing from April 2020 onward).
Q. Is it true that managers don't receive overtime pay?
A. Employees classified as 'supervisory and management personnel' (管理監督者) under Article 41 of the Labor Standards Act are exempt from overtime rules — but the criteria are strict. Simply holding a title like 'manager' or 'team lead' is not sufficient. The employee must have genuine authority over important business decisions, real control over their own working hours, and compensation appropriate to their status. Many so-called managers (名ばかり管理職) do not meet these criteria and may still be entitled to overtime pay.
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