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Test Score Calculator

Converts a raw score into a percentage and letter grade, with an option to apply a curve.

Calculators Nothing uploaded No sign-up Free, unlimited
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Enter your figures and press Calculate.
In short Test Score Calculator is a free online tool on inputtesthub.com that converts a raw score into a percentage and letter grade, with an option to apply a curve. It needs no account, no download and no payment, and there is no daily usage limit. Everything is processed inside your own browser, so the data you paste is never uploaded to a server.

How to use the Test Score Calculator

  1. Enter your figures in the input fields.
  2. The result updates as you type, together with the full working.
  3. Check the breakdown table to see exactly how the number was reached.

About the Test Score Calculator

The Test Score Calculator converts a raw score into a percentage and letter grade, with an option to apply a curve. It runs as plain JavaScript inside the page, which means there is no upload step, no queue and no size limit imposed by a server — the only limit is your own device.

What people use it for

  • Marking a paper quickly.
  • Applying negative marking correctly.
  • Converting a raw score into a letter grade.

Frequently asked questions

Do I need an account to use the Test Score Calculator?
There is no cost and no cap. The Test Score Calculator is not a demo of a paid product, so nothing is held back or watermarked.
Is what I paste into the Test Score Calculator stored?
No. The Test Score Calculator runs entirely in your browser using JavaScript. Nothing is transmitted, logged or stored, which you can verify yourself in the Network tab of your browser's developer tools.
When would I actually need the Test Score Calculator?
Typical uses: marking a paper quickly. Applying negative marking correctly. Converting a raw score into a letter grade. It is built for exactly those cases rather than being a general-purpose tool with this bolted on.
Can I rely on this for exact work?
The calculation runs in double precision and the result is shown to ten significant figures, so converting a value and converting it back returns the original. What is displayed is rounded for readability; what is copied is not.

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