Calculators

Fast calculators for work and everyday decisions.

Calculate a percentage of any number.

Calculate percentage increase or decrease.

Calculate sale price and savings.

Calculate tip and total per person.

Calculate age from a date of birth.

Calculate body mass index from height and weight.

Estimate monthly loan payments and total interest.

Calculate simple interest and final amount.

Estimate compound growth over time.

Find the number of days between two dates.

Calculate elapsed time between two times.

Calculate mean, sum, minimum and maximum.

Simplify ratios and calculate equivalent values.

Solve a missing value in an equivalent proportion.

Add, subtract, multiply or divide two fractions.

Find the greatest common divisor and least common multiple.

Calculate pace and speed from distance and time.

Compare product prices by quantity or weight.

Calculate profit, margin and selling price.

Calculate markup percentage and selling price from cost.