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Everyday Tools
Topic guide →Tip Calculator
Quickly calculate restaurant tips and split the total bill evenly among your group.
Pet Age Calculator
Convert your dog or cat's age into equivalent human years based on size and species.
Date Calculator
Find the difference between two dates or add and subtract days, weeks, months, and years.
Time Calculator
Add or subtract hours and minutes from a start time of day.
Hours Calculator
Calculate hours worked between start and end times with optional break deduction.
GPA Calculator
Calculate semester or cumulative GPA from course grades and credit hours.
Grade Calculator
Calculate your weighted final grade from assignment scores and their weights.
Concrete Calculator
Calculate concrete volume for slabs, footings, and pads in cubic feet, yards, or metres.
IP Subnet Calculator
Calculate network, broadcast, host range, and subnet mask from CIDR notation.
Password Generator
Generate strong random passwords with custom length and character sets plus a strength meter.
Dice Roller
Roll up to 12 virtual dice with custom sides — perfect for tabletop games.
Gas Mileage Calculator
Calculate fuel efficiency in MPG or L/100 km and estimate trip costs.
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.
Age Difference Calculator
Find the exact age difference between two people — years, months, days, and total days between their birth dates.
Popular calculators
Most used tools on beMyCalc
Unit converters
Length, weight, temperature, color & more — instant conversion
Length
Convert between metres, kilometres, feet, miles, inches, yards, and more.
Weight
Convert between kilograms, pounds, ounces, stones, grams, and metric tons.
Temperature
Convert between Celsius, Fahrenheit, Kelvin, and Rankine instantly.
Volume
Convert litres, gallons, millilitres, cups, pints, cubic metres, and more.
Speed
Convert km/h, mph, m/s, knots, and feet per second.
Area
Convert square metres, acres, hectares, square feet, square miles, and more.
Everyday tools
Tip, date, GPA, subnet, dice & more
Tip
Quickly calculate restaurant tips and split the total bill evenly among your group.
Pet age
Convert your dog or cat's age into equivalent human years based on size and species.
Date
Find the difference between two dates or add and subtract days, weeks, months, and years.
Time
Add or subtract hours and minutes from a start time of day.
Hours
Calculate hours worked between start and end times with optional break deduction.
GPA
Calculate semester or cumulative GPA from course grades and credit hours.