CalcChef tool collection
Education Tools
Use straightforward study and grade tools to understand progress and plan the next assignment or exam.
Start with these tools
Grade Calculator
Weighted course grade from assignment scores and weights: the average and a letter on a 90, 80, 70, 60 scale. Weights need not add up to 100.
GPA Calculator
GPA calculator on the unweighted 4.0 scale. Enter credits and a letter grade for each course to get a semester GPA, and add earlier terms for a cumulative GPA.
Final Grade Calculator
Final grade calculator: enter your current grade, the grade you want and what the final exam is worth to see the score you need on the final.
Study Time Planner
Split study hours into sessions with breaks over the days you pick, around your commitments and from a start time you set, and check they fit before an exam.
All Education Tools
9 free browser-based tools
APUSH Score Calculator
APUSH practice score as a weighted percentage: multiple choice 40%, short answer 20%, DBQ 25%, long essay 15%. Not an AP score of 1 to 5.
Class Schedule Conflict Detector
Check a class schedule for conflicts: enter each section's days (Mon to Sun) and start and end times to list every overlap by day and the free gaps.
DMV Practice Test Scorer
Score a practice test from the number of questions, wrong answers and a pass mark you enter. Shows percent correct, pass or fail and correct answers needed.
Final Grade Calculator
Final grade calculator: enter your current grade, the grade you want and what the final exam is worth to see the score you need on the final.
GPA Calculator
GPA calculator on the unweighted 4.0 scale. Enter credits and a letter grade for each course to get a semester GPA, and add earlier terms for a cumulative GPA.
GPA to US GPA (4.0 Scale)
Convert international GPA scores from various grading scales to the US 4.0 scale. For students applying to US universities or employers.
Grade Calculator
Weighted course grade from assignment scores and weights: the average and a letter on a 90, 80, 70, 60 scale. Weights need not add up to 100.
SAT Score Percentile Estimator
SAT percentile for a 400 to 1600 total and optional section scores, against SAT test takers or all U.S. students, from College Board tables. 1200 is the 75th.
Study Time Planner
Split study hours into sessions with breaks over the days you pick, around your commitments and from a start time you set, and check they fit before an exam.