-
Calculator Web
Free online calculator and unit conversion website covering math, algebra, trigonometry, finance, time, personal fitness, and many other areas.
-
Time Calculator
This time calculator can be used to add, subtract, multiply, and divide times in days, hours, minutes, and seconds.
-
Hours Calculator
This calculator computes the duration (in hours and minutes) between two times. It is useful for time sheet calculations since it can also deduct break periods.
-
Percentage Calculator
The percentage calculator calculates percentages of numbers relative to other numbers, and can be used to answer questions such as, 'what is 5% of 23?'
-
Math Calculators
Math Calculators
This calculator solves ratio problems of the form A:B = C:D given two, three, or four values, can determine whether a proportion is true or false given 4 values, reduces a ratio to lo...
-
Grade Calculator
This grade calculator computes your weighted grade based on the weight and grade achieved for each component of the course.