Everyday & Math Calculators

Quick answers to the math that comes up every day: a percentage, the tip on a bill, your exact age, the days between two dates, hours on a time card or your GPA. Results update as you type and show the steps.

Everyday & Math

Percentages, tips, ages, dates, hours worked, GPA and a scientific calculator.

Quick answers

Days until Christmas, Thanksgiving and other holidays (live countdowns) and how old you are by birth year, with generation, Social Security and Medicare ages for every year from 1940 to 2010.

Also see: Financial Calculators.