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)
CalculateBMR / RMR
Basal metabolic rate (Mifflin‑St Jeor)
CalculateCalorie Intake
Daily needs based on activity level
CalculateRPE (Borg Scale)
Rating of Perceived Exertion
CalculateABG Interpreter
Arterial blood gas analysis
CalculateBody Fat %
Navy, Jackson‑Pollock, BMI method
CalculateVO₂ Max
Cardiorespiratory fitness estimate
CalculatePace / Workout
Running pace, calories burned
CalculateIdeal Weight
Hamwi, Devine, Miller formulas
CalculatePregnancy Due Date
Estimated due date & milestones
Calculate
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.