Grade Calculator

Translate a score into a grade using the thresholds you enter. Enter your own values below to see grade under your scale and check the method behind it.

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Your inputs

Change the example values to match your situation.

One threshold and grade per line. Thresholds must cover the score.

Your result

Let’s work it out.

Fill in your inputs and select Calculate.
Your result and breakdown will appear here.

How this calculator works

Choose the grade with the highest minimum percentage that does not exceed the entered score. Example bands are editable, not an institution’s official scale.

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What is Grade Calculator?

Grade Calculator helps you translate a score into a grade using the thresholds you enter.

The main result is grade under your scale. The formula, example and assumptions below explain how to interpret it.

How to use Grade Calculator

Use the example to get familiar with the form, then enter your own figures. Any rates in the example are illustrative. Check the field labels and units before calculating.

  1. Gather score percentage (%) and minimum percentage, grade label. Use values from the same situation or reporting period.
  2. Replace the example score percentage with your own value, then complete the other fields. Check the displayed units.
  3. Select Calculate and read grade under your scale. Change one input and calculate again to compare a second scenario. Reset restores the original example.
  • Enter score percentage in %, at least 0 and at most 100. Decimals are accepted.
  • Enter minimum percentage, grade label in the format shown by the example. Keep the same separators and row structure. One threshold and grade per line. Thresholds must cover the score.

Grade Calculator: a worked example

With the inputs below, the result is A (grade under your scale). Follow the example, then replace these illustrative values with your own.

Example inputs and output
Input or outputExample value
Score percentage (%)82 %
Minimum percentage, grade label90, A+; 80, A; 70, B; 60, C; 50, D; 0, F
Grade under your scaleA

Understanding the Grade result

The main output is grade under your scale. It applies to the inputs and operation you selected.

Displayed results use a readable number of decimal places. When checking a result by hand, keep extra precision until the last step. To compare scenarios, change one input at a time and keep the others fixed.

Grade Calculator: assumptions and common mistakes

A useful estimate starts with the right inputs. Check the following assumptions and limits before applying the result to your situation.

  • Grading factors, cutoffs and admission rules differ by institution and year. Compare the result with the applicable published policy.

For wider guidance, visit National Testing Agency. The formula and scope of this specific tool are stated on this page.

Grade Calculator FAQs

What does Grade Calculator calculate?

Grade Calculator helps you translate a score into a grade using the thresholds you enter. Its main output is grade under your scale.

What inputs do I need for Grade Calculator?

You need score percentage (%) and minimum percentage, grade label. Use the field labels and units to match your figures to the formula.

Which formula does Grade Calculator use?

Choose the grade with the highest minimum percentage that does not exceed the entered score. Example bands are editable, not an institution’s official scale.

What is a worked example for Grade Calculator?

Example inputs: Score percentage: 82 %; Minimum percentage, grade label: 90, A+; 80, A; 70, B; 60, C; 50, D; 0, F. The result is A (grade under your scale).

How should I enter score percentage?

Enter score percentage in %, at least 0 and at most 100. Decimals are accepted.

How do I choose minimum percentage, grade label?

Enter minimum percentage, grade label in the format shown by the example. Keep the same separators and row structure. One threshold and grade per line. Thresholds must cover the score. The example uses 90, A+; 80, A; 70, B; 60, C; 50, D; 0, F; replace it if your circumstances differ.

How should I read grade under your scale?

The main output is grade under your scale. It applies to the inputs and operation you selected.

Why might my Grade Calculator result differ from my records?

Grading factors, cutoffs and admission rules differ by institution and year. Compare the result with the applicable published policy. Differences in entered values, units or rounding can also change the comparison.

Can I compare two scenarios in Grade Calculator?

Yes. Note your first grade under your scale, change score percentage or another input, and select Calculate again. Editing a field clears the old result so it is not mistaken for a new calculation.

Is Grade Calculator free, and where are my inputs calculated?

This calculator is free to use without signing in. Its formula runs in your browser; calculator inputs are not sent to a calculation API. The inputs reset to the example values when you reset the form or start a fresh page.