Time Calculator
Add and subtract time values (hours, minutes, seconds) with this easy-to-use calculator.
Download Time Calculator
Estimate file download times based on your internet speed and file size.
Time Converter
Easily convert between various units of time, from picoseconds to millennia.
Length & Distance Converter
Convert between various units of length and distance like meters (m), kilometers (km), centimeters (cm), miles (mi), feet (ft), and inches (in).
Sleep Cycle Calculator
Calculate the best time to wake up or go to bed to feel refreshed by aligning with your natural 90-minute sleep cycles.
Word Counter
Instantly count words, characters, sentences, paragraphs, and estimate reading time for any text.
Age Calculator
Calculate your exact age in total months, weeks, days, hours, minutes, and seconds based on your date of birth.
Area Calculator
Easily calculate the area of common geometric shapes like squares, rectangles, and circles.
Date Calculator
Calculate the duration between two dates in years, months, weeks, days, and hours.
Numeral System Converter
Easily convert numbers between binary, octal, decimal, and hexadecimal systems.
Percentage Calculator
Calculate percentages for various scenarios, including finding a percentage of a number, percentage change, and more.