All calculators & grading scales
Every free calculator and grading-scale reference, grouped by category.
Grade Calculators
View categoryFinal Grade Calculator — What Do I Need?
The final grade calculator answers the question every student asks before exams: "what do I need on the final...
Open calculator → Weighted gradeWeighted Grade Calculator
The weighted grade calculator turns a list of assessments — each with a score and a weight — into your overall...
Open calculator →GPA & Scales
View categoryGPA Calculator
The GPA calculator turns your courses into a grade point average on the standard 4.0 scale. For each course en...
Open calculator → Weighted gradeUK Degree Classification Boundaries
This reference page explains how UK undergraduate degrees are classified, with a credit-weighted average calcu...
Open calculator → GPAUS 4.0 GPA Scale — Letter, Percentage & Points
This reference page explains the standard US 4.0 GPA scale and how letter grades, percentages and grade points...
Open calculator →Exam & Pass Marks
View categoryExam Threshold Checker
The exam threshold checker works in raw marks rather than percentages: enter the marks you achieved and the gr...
Open calculator → Pass / failPass / Fail Checker
The pass/fail checker tells you instantly whether a mark clears a pass threshold, and by how much. Enter your...
Open calculator →Everyday Marks Maths
View categoryAverage (Mean) Calculator
The average calculator finds the mean of a list of numbers — perfect for averaging test scores or marks. Type...
Open calculator → AverageClass Average Calculator
The class average calculator finds the mean mark for a whole group of students, plus the highest and lowest, s...
Open calculator → Pass / failTest Score Percentage Calculator
The test score checker compares the marks you scored against the marks available, so you can see at a glance w...
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