Other Calculators
Age, date, time, GPA, subnet, password, and everyday tools — free, instant, and shareable. No signup.
14 calculators available
Tip Calculator
Quickly calculate restaurant tips and split the total bill evenly among your group.
Calculate →Pet Age Calculator
Convert your dog or cat's age into equivalent human years based on size and species.
Calculate →Date Calculator
Find the difference between two dates or add and subtract days, weeks, months, and years.
Calculate →Time Calculator
Add or subtract hours and minutes from a start time of day.
Calculate →Hours Calculator
Calculate hours worked between start and end times with optional break deduction.
Calculate →GPA Calculator
Calculate semester or cumulative GPA from course grades and credit hours.
Calculate →Grade Calculator
Calculate your weighted final grade from assignment scores and their weights.
Calculate →Concrete Calculator
Calculate concrete volume for slabs, footings, and pads in cubic feet, yards, or metres.
Calculate →IP Subnet Calculator
Calculate network, broadcast, host range, and subnet mask from CIDR notation.
Calculate →Password Generator
Generate strong random passwords with custom length and character sets plus a strength meter.
Calculate →Dice Roller
Roll up to 12 virtual dice with custom sides — perfect for tabletop games.
Calculate →Gas Mileage Calculator
Calculate fuel efficiency in MPG or L/100 km and estimate trip costs.
Calculate →Age Calculator
Calculate your exact age in years, months, and days from your date of birth — plus total days lived, next birthday countdown, live seconds counter, and life milestones.
Calculate →Age Difference Calculator
Find the exact age difference between two people — years, months, days, and total days between their birth dates.
Calculate →Need unit converters?
Convert length, weight, temperature, volume, and more — 13 dedicated converter tools.
Browse all converters →