Useful Online Calculators & Tools
Free online tools for your daily life. Fast, accurate, and totally free — explore all 30 tools below.
Age in Weeks
See how many weeks old you are.
Age on Future Date
Find your age on a specific future date.
Binary to Decimal
Convert binary numbers to decimal format.
Birthday Countdown
Count down to your next birthday.
BMI Calculator
Check your Body Mass Index instantly.
Calorie Calculator
Estimate your daily calorie needs.
Countdown Timer
Start a countdown to any event.
Date Calculator
Add or subtract days from a date.
Days Until Calculator
See how many days until a chosen date.
Dog Age Calculator
Convert dog years to human years.
Exam Score Calculator
Figure out what score you need to pass.
HEX to HSL Converter
Convert HEX colour to HSL format.
HEX to RGB Converter
Turn HEX values into RGB colour codes.
HEX to Decimal
Convert hexadecimal to decimal values.
Leap Year Checker
Check if a year is a leap year.
Loan Calculator
Calculate your monthly loan payments.
Online Stopwatch
Start a stopwatch timer online.
Ovulation Calculator
Estimate your ovulation dates.
Password Generator
Create strong, secure passwords fast.
Due Date Calculator
Estimate your baby’s due date.
Retirement Calculator
Estimate how much you’ll need to retire.
Simple Math Calculator
Do basic arithmetic quickly.
Text Case Converter
Convert text to upper, lower, or title case.
Text to Morse
Translate text into Morse code.
Time Between Dates
Calculate the time gap between two dates.
Time Zone Converter
Convert times across global zones.
UNIX Timestamp Converter
Convert UNIX timestamps to human dates.
Weeks Until a Date
How many weeks until a chosen date?
Word Counter Tool
Count words, characters, and spaces.
Working Days Calculator
Exclude weekends and holidays from date ranges.