Australia Health & Fitness 2026

Free, accurate tools for BMI, BMR, calorie intake, RPE, ABG, and more – with NHMRC guidelines.
Track your health with confidence – updated for 2026

BMI Calculator

Body mass index (NHMRC classifications)

Calculate

BMR / RMR

Basal metabolic rate (Mifflin‑St Jeor)

Calculate

Calorie Intake

Daily needs based on activity level

Calculate

RPE (Borg Scale)

Rating of Perceived Exertion

Calculate

ABG Interpreter

Arterial blood gas analysis

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Body Fat %

Navy, Jackson‑Pollock, BMI method

Calculate

VO₂ Max

Cardiorespiratory fitness estimate

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Pace / Workout

Running pace, calories burned

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Ideal Weight

Hamwi, Devine, Miller formulas

Calculate

Pregnancy Due Date

Estimated due date & milestones

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Based on NHMRC guidelines Updated for 2026 100% Free • No registration

Why Australians trust our tools

Evidence‑based

Formulas from peer‑reviewed medical literature.

Updated for 2026

Reflects latest health guidelines.

Works on all devices

Track your health on the go.