Everyday Math Calculators

Percentages, dates, grades, gas and time.

Percentage CalculatorX% of Y, percent of a total, and percent change.Age CalculatorExact age in years, months and days.Days Between Dates CalculatorDays, weeks and business days between two dates.Final Grade CalculatorWhat you need on the final to get the grade you want.Gas Cost CalculatorWhat a road trip will cost in fuel.Hours Worked CalculatorTime card math with breaks and pay.