Health & Fitness Calculators 2026

Free tools for BMI, BMR, calorie intake, RPE, ABG and more – with local medical guidelines.
Evidence-based calculators updated for 2026

RPE Calculator

Rating of Perceived Exertion for exercise tracking.

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Dog Weight Calculator

Estimate healthy weight range for your dog.

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Panda Express Nutrition

Calculate calories and nutrition for Panda Express meals.

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Paracetamol Dosage

125 mg syrup dosage calculator for safe use.

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BMI Calculator

Body mass index with UK classifications.

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Blood Pressure

Check and interpret your blood pressure levels.

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Weight Loss

Track how much weight you have lost.

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Waist to Hip Ratio

Measure fat distribution and health risk.

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VO₂ Max

Estimate your cardiorespiratory fitness.

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Period Calculator

Track menstrual cycle and next period dates.

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FFMI Calculator

Fat-Free Mass Index for fitness analysis.

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Local health standards

We adapt results to your country’s medical guidelines
🇺🇸 USA CDC / NIH
🇮🇳 India ICMR
🇬🇧 UK NHS
🇵🇭 Philippines DOH
🇨🇦 Canada Health Canada
🇦🇺 Australia NHMRC

Why health professionals trust us

Evidence‑based

Formulas from peer‑reviewed literature.

Country‑specific

Adjusted for local reference ranges.

Updated for 2026

Latest medical guidelines incorporated.

Free, no sign‑up

Instant access, no registration.