Section II · 130 tools
Calculators.
Mortgages, loans, interest, taxes, retirement, health, math, and the rest. Every tool computes in arbitrary precision and links its formula in plain language.
130 calculators in general
Months Between Two Dates Calculator
Instantly find the months between any two dates. Supports whole months, calendar fractions, and the 30.44-day research standard.
Minutes Between Two Times Calculator
Calculate the exact number of minutes between any two times, including overnight shifts and multi-day intervals.
Age Calculator
Calculate your exact age in years from any birthdate using the standard Western formula. Enter a birth date and an as-of date for an instant result.
Gmat Total Score Calculator
Calculate your GMAT total score for Focus Edition (205-805) or Classic 10th Edition (200-800) by entering section scores. Instant results.
Date Of Birth Age Calculator
Calculate your exact age from any date of birth. Enter birth year, month, and day to get your precise completed age in years, with leap year and birthday-cutoff handling.
Elapsed Time Calculator
Find the exact elapsed time between two date-time points. Enter start and end dates with hours and minutes to get results in seconds, minutes, hours, days, or weeks.
Fuel Mileage Calculator (Mpg)
Calculate fuel mileage (MPG) by entering miles driven and gallons used. Supports miles, kilometers, gallons, and liters for accurate fuel economy results.
Clock Duration Calculator
Calculate the elapsed duration between a start and end time, with overnight (cross-midnight) shift support and multiple output unit options.
Hour Countdown Calculator
Calculate hours, minutes, or seconds remaining until a target time using the Hour Countdown Calculator — fast, accurate, and free.
Count Hours Calculator
Calculate exact hours worked between a start and end time, with support for overnight shifts and unpaid break deductions.
Calendar Countdown Calculator
Count down to any future date in days, weeks, months, or years. Enter a target date to instantly calculate the exact time remaining.
Days Until December Calculator
Calculate the exact number of days until any December date — Christmas, winter solstice, New Year's Eve, or a custom occasion. Leap years handled automatically.