Everyday Calculators

Simple everyday calculators for age, dates and body mass index. Quick answers with no sign-up.

Date Difference Calculator

Calculate the number of days, weeks and months between two dates.

BMI Calculator

Calculate your Body Mass Index and see which BMI category you fall into.

Percentage Calculator

Find a percentage of a number, or what percent one number is of another.

GPA Calculator

Calculate your semester or cumulative GPA from your grades and credit hours.

Random Number Generator

Generate a random number between any two values, instantly.