Everyday Life, Decision & Utility Calculators

Your exact age in years, months, and days.

Split the bill and tip between friends.

Count the days between two dates.

Add or subtract days from a date.

Hours and minutes between two times.

Fuel needed and cost for a trip.

Compare two products by price per unit.

Days remaining until a date.

What a device costs to run.

Divide a bill and tip evenly between people.

Count weekdays between two dates, both included.

Turn a number from 1 to 3999 into Roman numerals.

Days left until your next birthday and the age you will turn.

Which pizza gives you more for your money?

Check if a year is a leap year and find the next one.

Find the weekday, day of year, and week number for any date.

Convert dog years to human years by size.

Count words, characters, sentences, and reading time.

See how much of the year has passed and how much is left.

Compare commute costs per person when you share the ride.

Add up what your monthly and yearly subscriptions really cost.