Category · 14 tools

Calculators

Essential everyday calculators — fast, accurate, no signup needed.

Calculate tip amount and split the bill by number of people

Your exact age in years, months and days from any birthdate

Find percentages, X% of Y, and percent increase or decrease

Find the final price after any percentage discount

Calculate weighted GPA from letter grades and credit hours

Find the exam grade you need to reach your target final grade

Add and subtract hours and minutes for any time period

Estimate road trip gas cost from distance, MPG and fuel price

Total weekly hours worked per day with optional overtime pay

Divide any bill and tip equally or unequally among friends

Convert between hourly, daily, weekly, monthly and annual pay

Find how purchasing power has changed using historical CPI data

Add, subtract, multiply and divide any two fractions instantly

Calculate return on investment as a clear annualized percentage