Mathematics & Time

Solve percentages, averages, ratios, dates, durations and everyday calculations.

Tools in this category

Calculate the percentage increase or decrease between two values.

Find a percentage of any number in one step.

Compare two values without treating either one as the starting value.

Find the arithmetic mean of up to four values.

Combine values that have different weights or importance.

Simplify the relationship between two whole numbers.

Calculate a tip and the final bill total.

Divide a bill and optional tip equally between people.

Compare product value by calculating the price per unit.

Calculate age in completed years, months and days.

Find the exact number of days and weeks between two dates.

Count weekdays between two dates while excluding Saturdays and Sundays.

Calculate elapsed hours and minutes between two times.

Solve percentages, averages, ratios, dates, durations and everyday calculations.