Calculate Body Mass Index in metric or imperial units.
BMI is a quick screening estimate of body-weight category based on height and weight.
BMI = kg / m² (metric) or (lb × 703) / in² (imperial).
This is a screening estimate, not medical advice. Consult a healthcare professional for individual guidance.
Individuals tracking general fitness and health trends over time.
Three calculators in one: percent-of, X is what % of Y, and percentage change.
Calculate exact age in years, months, days and total days.
Days, weeks, months, and years between two dates.
Calculate grade point average from letter grades on a 4.0 scale.
We have dozens of free productivity tools — no signup required.
Browse all tools