Standard Score Calculator

Raw Score to Standard Score

A CALCULATOR to transform RAW SCORES into STANDARD SCORES. Just introduce the Mean and the Standard Deviation of the sample of scores from where you will get the numbers that you want to transform.
At the end of the results you will find a step-by-step explanation of the calculations made by this Standard Score Calculator.

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What do you need to know to calculate standard scores?

1) The MEAN of your raw score data.
i.e. Let's say you have a sample with several measurements of performance, the mean would be the average of all those performance measurements.

2) The STANDARD DEVIATION of you raw scores data.
i.e. To do that, you need to calculate the mean, substract the mean to each number and then square the result.Then calculate the mean of those results, and calculate the square root. You can also click on our Standard Deviation Calculator and we will do all of that for you ;)

Finally, you just need to introduce the raw score that you want to transform into the 'Raw score' slot. "

How to calculate a Standard Score

Who is who?
- Raw Score is any score that has not been transformed. Most scores that come from a source and have not been defined are considered Raw Scores. If you are not sure with what kind of scores you are working, chances are that this is the calculator you need to use.
- A Standard Score is a score that belongs to a normal distribution, also known as Gaussian distribution. ​This calculator transform your score into a normal standard distribution, where the resulting score will belong to a distribution with mean of 0 and standard deviation of 1. This calculator will do all the hard work for you.
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If you need other kind of transformations just look for your calculator below!

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