Education calculators for grades, GPA, weighted scores, finals, and reading time.
Grade Calculator
Calculate a weighted course grade from assignments and exams.
GPA Calculator
Calculate GPA from courses, credits, and grades.
GPA Plan Calculator
Find the GPA needed on future credits to reach a target.
Weighted Grade Calculator
Combine weighted grade components into an overall grade.
Final Exam Score Calculator
Find the final exam score needed for a target grade.
Reading Time Calculator
Estimate reading time from word count and reading speed.
Course Cost / ROI Calculator
Calculate cost per credit, lecture value, and course ROI.
Time
Time calculators for dates, durations, time math, timestamps, timezones, work hours, age, and business days.
Finance
Finance calculators for loans, mortgages, APR, APY, simple interest, budgets, auto loans, retirement, debt, and everyday payments.
Math
Math calculators for arithmetic, geometry, percentages, ratios, rounding, roots, fractions, and statistics.
Physics
Physics calculators for motion, force, energy, electricity, and density.
Health
Health calculators for body metrics, calories, hydration, pace, due dates, body fat, and heart-rate zones.
Construction
Construction calculators for area, paint, flooring, concrete, gravel, mulch, roofing, tile, and slope estimates.
Auto
Auto calculators for fuel economy, trip cost, EV charging, and tire sizing.
Business
Business calculators for margins, markup, break-even, taxes, salary, discounts, commission, ROI, and pay rates.