Math and Study Calculators
Use these math and study tools for age and date calculations, course-grade planning, weighted GPA checks, scientific expressions, and number-base conversion. Every calculator runs directly in the browser and explains the type of result it produces. They are designed for quick learning, study planning, programming practice, and everyday number checks. For official academic or legal records, always use the rules and documents supplied by the relevant institution or authority.
Age Calculator
Calculate your exact age in years, months, days, and total days.
Date Difference Calculator
Find the days, weeks, and months between two calendar dates.
GPA Calculator
Calculate a weighted GPA from up to five courses and credit values.
Grade Calculator
Convert points earned into a percentage and a standard letter grade.
Scientific Calculator
Evaluate arithmetic and common scientific functions directly in your browser.
Number Base Converter
Convert values between decimal, binary, octal, and hexadecimal bases.