Test Score Calculator

Turn your test score into a percentage and letter grade instantly. No math required.

Points Earned

What you scored

Enter a valid score (0 or more).

Total Points

Maximum possible

Enter a total greater than 0.

Your Test Score

Common US scale (reference only)

Score Position on Grading Scale

0% 60% (D) 70% (C) 80% (B) 90% (A) 100%+

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Points Earned

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Points Missed

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Total Points

Try:

How It Works

A test score percentage tells you what portion of the total possible points you earned. If a test is worth 60 points and you scored 45, your percentage is 75%. This single number makes it easy to compare performance across tests with different point totals. A 45 out of 60 and an 87 out of 100 look different as raw numbers, but they both represent roughly the same level of performance once converted to percentages.

Score % = (Points Earned ÷ Total Points) × 100
Points Missed = Total Points – Points Earned

Example: (45 ÷ 60) × 100 = 75.00%

That is the entire formula. Two numbers, one division, one multiplication. This calculator handles it for you and also shows your approximate letter grade based on a common grading scale.

When People Use This Calculator

Right after a test

You get your test back with a raw score like 38/50. You want to know your percentage immediately without doing mental math. Type in the two numbers and get your answer. If the percentage is lower than you expected, at least you know where you stand instead of wondering for the rest of the day.

Checking if you are passing

Most classes use 60% as the passing threshold. If your score converts to anything below 60%, you know right away that you need to talk to your teacher, study for a retake, or adjust your approach. The pass/fail indicator on this calculator gives you that answer without you having to remember the cutoff.

Comparing across assignments

You scored 19/20 on a quiz and 72/100 on an exam. Which one did you do better on relative to the difficulty? The quiz is 95% and the exam is 72%. The percentage makes the comparison fair even though the point totals are completely different.

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Calculating a weighted course grade

If your course has a midterm worth 40% and a final worth 60%, you first convert each test to a percentage using this calculator, then multiply by the weight. A 75% midterm contributes 30 points (75% times 0.40) to your course grade. A 88% final contributes 52.8 points (88% times 0.60). Add them for your course grade.

Checking extra credit calculations

If your test had 50 questions but you answered 52 correctly including extra credit, your score is 52/50 = 104%. This calculator handles scores over 100% correctly and shows you exactly how much you exceeded the maximum.

Study tip If you are consistently scoring between 55% and 65%, you usually understand the basics but miss details. Focus on partial credit: show your work, write down formulas, and attempt every question. Many students in this range gain 5-10% just by not leaving blanks.

Common Grading Scales

This calculator uses the most common US grading scale to show an approximate letter grade. Different schools, countries, and teachers use different scales. Always check your course syllabus for the exact scale your teacher uses.

Common US scale

90-100% = A, 80-89% = B, 70-79% = C, 60-69% = D, below 60% = F. Some schools add plus and minus modifiers (for example, 87-89% = B+, 93-100% = A). This is the scale used in the letter grade display above.

UK university scale

70% and above = First-class (highest), 60-69% = Upper second (2:1), 50-59% = Lower second (2:2), 40-49% = Third class, below 40% = Fail. Note that a 70% in the UK system represents exceptional work, not just a B grade.

GPA scale (US)

Letter grades convert to grade points: A = 4.0, B = 3.0, C = 2.0, D = 1.0, F = 0.0. Plus and minus modifiers adjust by 0.3 (for example, B+ = 3.3, B- = 2.7). Your GPA is the average of all your grade points across courses, weighted by credit hours.

Important reminder The letter grade shown by this calculator is a reference based on the most common US scale. It may not match your school’s scale. If your teacher uses a different scale (for example, 65% as the passing threshold, or a 7-point scale), the letter grade shown here will be wrong for your situation. The percentage itself is always accurate.

Common Mistakes People Make

Mistake 1: Using the wrong total The total should be the maximum points possible on the test, not the average score in the class, not the number of questions, and not the points available minus the ones you skipped. Double-check the total written at the top of your test or in your online gradebook.

Mistake 2: Not counting bonus questions in the total If a test has 50 regular questions worth 1 point each plus 2 bonus questions worth 2 points each, the total is 54, not 50. If you answered all regular questions correctly and both bonus questions, your score is 54/54 = 100%, not 104%. You only get over 100% if the bonus points push you above the base total of 50.

Mistake 3: Comparing weighted and unweighted scores A 90% on a quiz worth 10% of your grade and a 90% on a final worth 50% of your grade have very different impacts on your course grade. Always convert to percentages first, then apply the weights. This calculator handles the first step.

Mistake 4: Panicking about one low score A single test score, even a bad one, rarely determines your final grade. If you score 45% on a midterm worth 25% of your grade and 85% on everything else, your course grade could still be around 75%. Use this calculator to understand where you stand, then plan your next steps instead of assuming the worst.

Table of Truth: Common Test Score Conversions

Use these examples to quickly check if your result looks right.

Score	Total	Percentage	Missed	Letter	Status
45	60	75.00%	15	C	Passing
18	25	72.00%	7	C	Passing
87	100	87.00%	13	B+	Passing
38	50	76.00%	12	C	Passing
95	100	95.00%	5	A	Passing
29	50	58.00%	21	F	Failing
15	20	75.00%	5	C	Passing
52	50	104.00%	-2	A+	Extra Credit
0	30	0.00%	30	F	Failing
42	50	84.00%	8	B	Passing

Frequently Asked Questions

How do I calculate my test score percentage?

Divide the points you earned by the total possible points, then multiply by 100. For example, if you scored 38 out of 50, divide 38 by 50 to get 0.76, then multiply by 100 to get 76%. This calculator does the math for you.

What percent is 45 out of 60?

45 out of 60 is 75%. You divide 45 by 60 to get 0.75, then multiply by 100 to get 75%. On most grading scales, this is a C grade.

Is 75% a passing grade?

In most schools and universities, yes, 75% is a passing grade. The typical passing threshold is 60% (a D grade). However, some programs, scholarships, or graduate schools may require 70% or higher. Check your specific course syllabus.

What is a good test score?

It depends on the context. In most US schools, 90-100% is an A (excellent), 80-89% is a B (good), and 70-79% is a C (satisfactory). A score of 80% or above is generally considered good. For standardized tests like the SAT or GRE, what counts as good depends on the test’s specific scoring scale and the requirements of the schools you are applying to.

Can a test score be over 100%?

Yes. If a test includes extra credit questions, your earned score can exceed the total possible points. For example, scoring 52 out of 50 gives 104%. This means you earned more points than the base test required.

How do I find out what score I need on a final exam?

Use a final exam grade calculator. You enter your current grade, the weight of the final exam, and your target grade. The calculator tells you the minimum score you need on the final to reach your target.

Is this calculator accurate for all grading systems?

The percentage calculation is always accurate. The letter grade shown is based on the most common US scale (90%=A, 80%=B, 70%=C, 60%=D). If your school uses a different scale, the percentage will still be correct but the letter grade may differ from what your teacher assigns.

Test Score Calculator

Test Score Calculator

How It Works