Daily Use Calculators

9 free, accurate calculators for daily use

All Daily Use Calculators

Calculate exact age in years, months, days, hours, and minutes

Calculate days between dates or add/subtract days from a date

Add and subtract time values in hours, minutes, and seconds

Calculate total hours worked with start/end times for timesheets

Calculate GPA from grades and credit hours for semester or cumulative

Calculate the final grade needed to achieve a target grade

Calculate tip amount and split the bill between multiple people

Calculate sale price, discount amount, and percentage savings

Generate strong, secure random passwords with custom settings