How to Use This Tool
- Sum test scores.
- Divide by number of tests.
Mathematical Formula
\bar{x} = \frac{1}{n} \sum x_iTest Preparation Tool• 100% Free & In-Browser
Multiple Test Average Calculator
Find your arithmetic mean average across multiple tests or exams.
Curriculum Aligned
•Standard Error Tolerance Models•Zero Storage PrivacyPoints & Percentage Scoring
Points & Percentage Grade Calculator
Compute precise percentage, letter grade, and GPA points from points earned over points possible.
Percentage
90.0%
45 of 50 PointsLetter Grade
A-
Excellent4.0 GPA
3.7
Standard ScaleFraction
9 / 10
Simplified RatioRelated Test Tools & Charts
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Step-by-step arithmetic tutorial for grading physical test papers.
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Questions Missed Calculator
Enter your test question count and target score to find out the maximum number of incorrect answers you can afford to get.
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Test Grade Calculator
Calculate your test grade from total questions and missed answers with an instant grading scale chart.
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EasyGraderLab & Grade Calculator
Interactive EZ Grader slider for fast test scoring.
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Multiple Test Average Calculator
Mean average across several test scores.
Chart
Grade Percentage Chart
Official US 10-point scale table.
FAQ
Teacher Grading FAQs
Error limits and curve policies for assessments.
Authoritative References & Academic Standards
Vetted against official government, institutional, and collegiate guidelines
.org sourceOfficial Source
Academic Grading in the United States
Wikipedia (Academic Standards Archive)
Comprehensive historical and institutional documentation of standard 10-point scales, percentage cutoffs, and GPA conversion tables.
.org sourceOfficial Source
Arithmetic Mean and Weighted Averages Overview
Khan Academy Mathematics
Educational mathematical foundations for calculating arithmetic means, category weights, and statistical dispersion.
.gov sourceOfficial Source
Uniform Public School Grading & Passing Policies
Texas Education Agency (TEA)
State education agency standards defining 70% passing cutoffs, secondary course credit minimums, and standard assessment rules.