Math Tools
BMR Calculator
Estimate basal metabolic rate from age, sex, height, and weight inputs.
Calorie Calculator
Use a browser-based calorie calculator to estimate maintenance calories and simple gain or loss targets from your BMR and activity level.
How It Helps
Daily calorie estimates are easier when activity is included
Calorie planning usually needs more than a resting baseline because activity level changes how much energy is used across a typical day.
This calculator builds on a BMR-style estimate and adds activity plus simple goal adjustments so the result is more practical for everyday planning.
Good to know
Helpful notes
- Choose the activity level that best matches your typical routine, not your best day.
- Use the maintenance result as a starting point rather than a perfect guarantee.
- Compare the maintenance, loss, and gain targets before making larger changes.
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FAQ
Common questions
Helpful answers make each tool page more useful for both visitors and search engines.
Does this include activity level?
Yes. Activity level is used to move from a baseline metabolic estimate toward a practical daily calorie estimate.
Can I see calorie targets for different goals?
Yes. The calculator provides simple maintenance, gain, and loss-style targets.
Is this medical or nutrition advice?
No. It is a general planning estimate and not a replacement for professional guidance.
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