Calculate age, add/subtract time, measure working hours, compute GPAs, and handle other utility calculations.
Calculate your exact age in years, months, weeks, and days based on birthdates.
Open CalculatorAdd or subtract days, weeks, months, and years from any starting date.
Open CalculatorFind the weekday name (e.g. Monday) for any historical or future calendar date.
Open CalculatorSimulate rolling multiple standard dice (D6, D20, D100) for board games.
Open CalculatorCalculate your semester Grade Point Average (GPA) using grades and credit weights.
Open CalculatorDetermine required final exam scores to achieve target letter grades in class.
Open CalculatorGenerate strong, secure, random passwords with customizable parameters.
Open CalculatorCalculate optimal wake-up times based on natural 90-minute sleep cycles.
Open CalculatorConvert time measurements between hours, minutes, seconds, and milliseconds.
Open CalculatorCalculate total weekly work hours and gross payroll earnings from punch times.
Open CalculatorCalculate duration in hours and minutes between two time stamps.
Open CalculatorCalculate restaurant tips and split bills evenly among multiple guests.
Open Calculator