Health Calculators
Quick body and wellness calculators designed for clarity. Informational use only.
BMI Calculator
Free BMI calculator using metric or imperial units. Get BMI and a simple category label.
OpenWater Intake Calculator
Free water intake calculator to estimate daily water needs based on weight and activity.
OpenFAQ
- Is this medical advice? No. Results are informational only.
- Which formula is used? Each tool explains formulas in the “How it works” section.