Health Tools

Fast, simple calculators for everyday use. Educational only.

Metabolic & Metrics

Fast, simple calculators for metabolism and common health numbers.

Calculate BMI using metric or US units. Shows category and a healthy weight range.

Estimate Basal Metabolic Rate (Mifflin–St Jeor).

TDEE Calculator

Estimate daily calories burned (TDEE) from BMR and activity level.

Heart Rate Zones

Estimate max heart rate and common training zones (age-based).

Glucose Unit Converter

Convert glucose between mg/dL and mmol/L.

Convert HbA1c (%) to estimated average glucose (eAG) and back.

Length, weight, and area conversions.

Neuro & Sensory

Interactive references that relate symptoms to anatomy (educational only).

Relate numbness/tingling areas to likely spinal nerve root levels (quick reference).

Educational only. Not medical advice.