Age Calculator
Calculate age in years, months, days, hours, and minutes
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Date Calculator
Calculate date differences, add/subtract days from dates
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Time Calculator
Add, subtract, and convert time in various formats
Hours Calculator
Calculate hours between times and work hours
Time Card Calculator
Calculate work hours and timesheet totals
Time Zone Calculator
Convert time between different time zones
Time Duration Calculator
Calculate duration between two times or dates
Day Counter
Count days between two dates
Day of the Week Calculator
Find what day of the week any date falls on
GPA Calculator
Calculate Grade Point Average for academic performance
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Grade Calculator
Calculate final grades and required test scores
Conversion Calculator
Convert units of length, weight, temperature, and more
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Shoe Size Conversion
Convert shoe sizes between US, EU, UK, and other systems
Height Calculator
Convert height between different units and formats
Concrete Calculator
Calculate concrete volume and materials needed
Square Footage Calculator
Calculate area and square footage of rooms and spaces
Stair Calculator
Calculate stair dimensions and construction requirements
Roofing Calculator
Calculate roofing materials and area needed
Tile Calculator
Calculate tiles needed for flooring and wall projects
Mulch Calculator
Calculate mulch volume needed for landscaping
Gravel Calculator
Calculate gravel quantity for driveways and paths
WiFi Speed Calculator
Calculate download time and bandwidth requirements
Data Storage Calculator
Convert between bytes, KB, MB, GB, and TB
TV Size Calculator
Calculate optimal TV size based on viewing distance
Battery Life Calculator
Calculate device battery life and charging time
Dog Age Calculator
Convert dog years to human years accurately
Cat Age Calculator
Convert cat years to human years
Gaming Calculator
Calculate gaming stats, KDA ratio, and performance
Salary Calculator
Convert between hourly, monthly, and annual salary
Commission Calculator
Calculate sales commission and earnings
Break Even Calculator
Calculate break-even point for business planning
Temperature Converter
Convert between Celsius, Fahrenheit, and Kelvin
Wind Chill Calculator
Calculate wind chill temperature and feels-like temperature
Humidity Calculator
Calculate relative humidity and dew point
Physics Calculator
Calculate velocity, acceleration, force, and energy