BMI Calculator
PopularCalculate body mass index from height and weight, with the standard WHO ranges.
Open toolHealth & Fitness Calculators
BMI, calorie, macro, and everyday fitness calculators.
4 tools in this categoryHealth & Fitness Calculators tools
]Estimate daily calorie needs for maintenance, weight loss, or muscle gain.
Open toolEstimate body fat percentage using the U.S. Navy tape-measure method.
Open toolGet a daily water intake target based on weight, activity level, and climate.
Open toolCalculate your BMR and TDEE instantly with the Mifflin-St Jeor formula.
Open toolFree pregnancy due date calculator using your LMP, conception date, or IVF transfer date.
Open toolFrequently asked questions
Are the health & fitness calculators on this page free to use?
Yes. Every tool in Health & Fitness Calculators is free, with no sign-up and no paywall — the same as everywhere else on Free Daily Tool.
Do I need an account to use them?
No. Open any tool below and use it immediately — nothing to install, nothing to register.
Can I rely on these for an official decision?
These tools are for informational and educational purposes only. They are not medical advice — for decisions about your health, diet, or exercise, check with a qualified healthcare provider.
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