Arefin Bappy

Estimate a general daily hydration target from body weight, activity and climate, with practical guidance on interpreting the result.

Estimate creatinine clearance with the Cockcroft-Gault equation and review the assumptions, units and limitations behind the result.

Estimate calories burned while cycling from body weight, duration, pace and ride conditions, with guidance for interpreting MET-based results.

Estimate your one-repetition maximum from a completed submaximal set and translate it into practical training percentages.

Estimate calories burned on a hike using weight, moving time, distance, elevation, terrain and backpack load.

Classify an adult blood pressure reading and calculate pulse pressure and estimated mean arterial pressure, with measurement guidance.

Compare an educational cardiovascular risk profile with a reference age and understand the factors influencing the estimate.

Calculate BMI and estimate BMI-for-age percentile for a child or teen, with guidance on measurement and interpretation.

Estimate an infant growth percentile for weight, length or head circumference and learn how to interpret the trend.

Check dose arithmetic from an already verified prescription or label, including mg/kg, total mg and liquid volume conversions.