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BMI Calculator
Body Mass Index based on height and weight. Universal formula.
2026 tax-year compliant日本語版を見る (Japanese)
Note: Input field labels are in Japanese (the calculator engine is shared with the Japanese version). Numeric input works the same way; the results are universal numbers in JPY (¥).
BMI Calculator
Body Mass Index based on height and weight. Universal formula.
cm
kg
Key Points
- ✓Formula: weight (kg) / height (m)²
- ✓Japanese ideal: BMI 22
- ✓Obesity threshold: 25 (Japan) vs 30 (WHO)
FAQ
Japanese vs WHO categories?
Japan classifies obesity from BMI 25, not 30 like WHO. Asians have higher disease risk at lower BMI.
⚠️ Disclaimer
This calculator provides estimates only. For actual tax filing, please consult a licensed 税理士 (zeirishi) or FP (Financial Planner). Results are not a substitute for professional advice.
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