Popular calculators
Most used tools on beMyCalc
Unit converters
Length, weight, temperature, color & more — instant conversion
Length
Convert between metres, kilometres, feet, miles, inches, yards, and more.
Weight
Convert between kilograms, pounds, ounces, stones, grams, and metric tons.
Temperature
Convert between Celsius, Fahrenheit, Kelvin, and Rankine instantly.
Volume
Convert litres, gallons, millilitres, cups, pints, cubic metres, and more.
Speed
Convert km/h, mph, m/s, knots, and feet per second.
Area
Convert square metres, acres, hectares, square feet, square miles, and more.
Everyday tools
Tip, date, GPA, subnet, dice & more
Tip
Quickly calculate restaurant tips and split the total bill evenly among your group.
Pet age
Convert your dog or cat's age into equivalent human years based on size and species.
Date
Find the difference between two dates or add and subtract days, weeks, months, and years.
Time
Add or subtract hours and minutes from a start time of day.
Hours
Calculate hours worked between start and end times with optional break deduction.
GPA
Calculate semester or cumulative GPA from course grades and credit hours.