8 free calculators
Grade, GPA & Study Calculators
Explore free academic calculators for US college and high-school planning: final exam scores, weighted course grades, cumulative 4.0 GPA, test percentages and attendance. Study tools estimate reading time, pages and lab percent error. Every calculator explains its assumptions; school-specific grading, rounding and credit policies take precedence.
Choose a question to explore
Plan your course grade
Convert test points, combine weighted categories, then calculate the final exam score needed for your target.
Review your semester
Combine semester GPA with prior GPA-bearing credits and check attendance using classes or hours.
Plan assignments and lab work
Estimate reading time and assignment pages, or compare a measured lab result with an accepted reference.
- Final Exam Grade Calculator: What Score Do I Need?Find the final exam score needed for your target course grade using your current average and final weight. Includes achievable and extra-credit examples.Open calculator →
- Weighted Grade Calculator: Course & Assignment WeightsCalculate a weighted course grade from up to six category scores and syllabus weights. See completed-work averages and final-grade examples.Open calculator →
- Cumulative GPA Calculator: Semester & College CreditsUpdate your cumulative college GPA from previous GPA-bearing credits and a new semester GPA on a 4.0 scale. Includes credit-weighted examples.Open calculator →
- Attendance Percentage Calculator: Classes or HoursCalculate attendance percentage from attended and held classes or hours. Check missing attendance and use consistent units.Open calculator →
- Test Grade Calculator: Score Percentage from PointsConvert earned points to a test percentage, including partial credit. Use correct and total questions only when every question has equal value.Open calculator →
- Percent Error Calculator: Measured vs. Accepted ValueCalculate absolute percent error from measured and accepted values, including negative measurements. Includes a lab-report example and zero-reference checks.Open calculator →
- Reading Time Calculator: Words & Reading SpeedEstimate reading time from word count and your reading speed. Plan study sessions with an adjustable words-per-minute assumption.Open calculator →
- Words to Pages Calculator: Estimate Assignment LengthEstimate assignment pages from word count and an adjustable words-per-page density. Includes formatting assumptions and rounded-up page counts.Open calculator →