🔧 Other Calculators

Free calculators for age, date, time, GPA, unit conversion, and more. All tools are free, accurate, and require no sign-up.

• 🎂
  Age Calculator

  Calculate your exact age in years, months, days, hours, and minutes.
• 🗓️
  Date Calculator

  Find the number of days between two dates or add/subtract days from a date.
• ⏱️
  Time Calculator

  Add or subtract hours, minutes, and seconds from any time.
• 🕐
  Hours Calculator

  Calculate total work hours between start and end times with break deduction.
• 🎓
  GPA Calculator

  Calculate your weighted GPA by entering your courses, credits, and grades.
• 📝
  Grade Calculator

  Calculate your final weighted grade from multiple assignments and exams.
• 🔐
  Password Generator

  Generate strong, random passwords with custom length and character sets.
• 🔄
  Conversion Calculator

  Convert between units of length, weight, temperature, area, volume, and speed.
• 🏗️
  Concrete Calculator

  Calculate the volume of concrete needed for slabs, columns, and footings.
• 🌐
  IP Subnet Calculator

  Calculate network address, broadcast, host range, and usable IPs for any CIDR block.