SailLab

How much does that meeting actually cost?

Calculate the true cost of any meeting using Japanese working norms (240 days/year, 8 hours/day). Adjust attendees, salary, and duration — see the per-meeting and annualised impact in real time. Methodology fully disclosed below.

How this calculator works

How the calculator works

This calculator estimates Japanese-context meeting costs using publicly cited working-day norms. Formulas and reference data are disclosed below so the numbers can be cited or re-computed.

Hourly rate

Annual salary ÷ (240 working days × 8 hours) = salary ÷ 1,920

Based on Japan's Ministry of Health, Labour and Welfare standard: 240 working days per year (Monday–Friday minus public holidays minus typical leave; roughly 5 weekdays × 52 weeks − ~16 public holidays − ~4 leave days), 8 hours per day. Weekend hours are not counted. A ¥6,000,000 salary equates to ~¥3,125 per hour.

Cost per meeting

Attendees × hourly rate × (duration ÷ 60)

Direct salary-based cost only. Social insurance, benefits, and indirect overhead are NOT included — full employer cost would be roughly 1.2–1.4× this figure.

Annualised cost

Cost per meeting × meetings per year

Meetings per year is derived from the count + period inputs (per working day = 240, per week = 52, per month = 12, total one-off = 1). Working-day basis means weekend meetings are not counted.

Disclaimer

This calculator estimates direct salary cost only and is not a comprehensive accounting of any company's total expenditure on meetings. Social insurance, benefits, industry-specific factors, and actual working hours will move the figure. If you cite or re-publish these numbers, please include the assumptions above for context.

FAQ

Where do these numbers come from?
The hourly-rate calculation uses Japan's standard 240 working days per year (Monday–Friday minus public holidays and typical leave) and 8 hours per day, sourced from the Ministry of Health, Labour and Welfare's working-conditions survey. Only working time is counted — weekend hours are excluded.
Why aren't social insurance and benefits included?
No — this calculator shows direct salary cost only, to keep the figure simple and easy to cite. The full employer cost (including social insurance contributions, benefits, and indirect overhead) is typically 1.2–1.4× the number shown here. Multiply manually if you need a fully-loaded cost figure.
Does this work for SMEs and startups too?
Yes. Adjust the average annual salary to match your team. The formula is the same; only the input changes. Solo founders can enter their own salary as the average for a 1-person team.
Can I share my calculation with my team?
Yes. As you adjust the inputs, the URL updates automatically — copy the URL (or click 'Copy link') and share. When the recipient opens it, your exact inputs preload.

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