Calculate GPA from letter grades and credits. Add multiple courses, optional +/- grades. Weighted by credits.
GPA = sum(grade points × credits) ÷ total credits. Letter grades map to points (e.g. A=4, B=3, C=2, D=1, F=0).
Percentage Calculator
Calculate percentages, percentage change, and percentage of a number. Multiple calculation modes.
Loan Calculator
Calculate loan payments, total interest, and amortization schedule. Support for various loan types.
Age Calculator
Calculate exact age in years, months, and days. Find age between two dates or age on a specific date.
BMI Calculator
Calculate your Body Mass Index (BMI) and understand your weight category. Support for metric and imperial units.