Age Calculator
Calculate exact age from birthdate.
OpenDays Between
Days between two dates.
OpenPercentage
Find X% of a number.
OpenPercentage Change
Calculate percent increase/decrease.
OpenDiscount
Discount & final price.
OpenMarkup
Calculate markup percentage.
OpenSimple Interest
Principal interest simple.
OpenCompound Interest
Compound interest over periods.
OpenLoan EMI
Monthly EMI calculator.
OpenTip Calculator
Tip & split the bill.
OpenTip Split
Split bill among people.
OpenGPA Calculator
Compute GPA from scores.
OpenGrade Calculator
Letter grade from percentage.
OpenSpeed - Distance - Time
Compute one variable from two.
OpenBMR
Basal Metabolic Rate (Mifflin-St Jeor).
OpenTemperature
Celsius ↔ Fahrenheit ↔ Kelvin.
OpenLength Converter
Meters, km, miles, feet.
OpenBinary ⇄ Decimal
Convert between binary and decimal.
OpenArea - Circle
Calculate circle area from radius.
Open