Instant calculators for percentages, BMI, loans, dates, tips and unit conversions.
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 Body Mass Index in metric or imperial units.
Calculate grade point average from letter grades on a 4.0 scale.
Calculate tip, total, and per-person share.
Convert length, weight, volume, and temperature between metric and imperial.
Monthly payment, total interest, and total cost for fixed-rate loans.