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1 forms found in the DOM

Name: calcform —

<form name="calcform" id="calcform" autocomplete="off">
  <div class="sd_calc">
    <div class="form-row mb-4">
      <div class="col-12">
        <label>Enter Numbers:</label>
        <textarea class="sd_border form-control" id="TextArea1" name="TextArea1" autofocus="" rows="5" placeholder="10 20 30 40 or 10, 20, 30, 40 or 10,20,30,40"></textarea>
      </div>
    </div>
    <div class="form-row">
      <div class="col-6"><button type="button" id="calc" class="btn btn-success btn-lg btn-block" onclick="OnCalc()">= Calculate</button></div>
      <div class="col-6"><button type="reset" id="reset" class="btn btn-danger btn-lg btn-block">× Reset</button></div>
    </div>
    <div class="form-row mt-3 mb-md-3 mb-2">
      <div class="col-lg-4 col-md-4 col-12 mb-md-0 mb-2">
        <label>Mean:</label>
        <input name="mean" id="mean" type="text" class="form-control read" readonly="">
      </div>
      <div class="col-lg-4 col-md-4 col-12 mb-md-0 mb-2">
        <label>Population Variance:</label>
        <input name="pvar" id="pvar" type="text" class="form-control read" readonly="">
      </div>
      <div class="col-lg-4 col-md-4 col-12">
        <label>Sample Variance:</label>
        <input name="svar" id="svar" type="text" class="form-control read" readonly="">
      </div>
    </div>
    <div class="form-row">
      <div class="col-lg-6 col-md-6 col-12 mb-md-0 mb-2">
        <label>Population Standard Deviation:</label>
        <input name="pstd" id="pstd" type="text" class="form-control read" readonly="">
      </div>
      <div class="col-lg-6 col-md-6 col-12">
        <label>Sample Standard Deviation:</label>
        <input name="sstd" id="sstd" type="text" class="form-control read" readonly="">
      </div>
    </div>
  </div>
</form>

Text Content

 * Home
 * What is Standard Deviation?
 * How to Calculate?
 * Formula
 * More
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STANDARD DEVIATION CALCULATOR

The standard deviation calculator allows you to determine the population and
sample standard deviation and variance with mean.


Enter Numbers:
= Calculate
× Reset
Mean:
Population Variance:
Sample Variance:
Population Standard Deviation:
Sample Standard Deviation:



ABOUT STANDARD DEVIATION CALCULATOR

The standard deviation calculator is a free tool that returns mean, variance,
and standard deviation results for a given set of numbers. It runs on
pre-defined algorithms and shows the final results quickly and accurately. No
need to do the manual calculations and it's free to use.

Mostly, it is used to know whether someone's behavior is normal or
extraordinary. In addition, it is used in many fields like finance, business
statistics, weather changes, and many more.

For more statistical calculations, check out the Z Score Calculator.


HOW TO USE STANDARD DEVIATION CALCULATOR?

It's very easy to operate our calculator. Also, using this you can easily solve
any complex problems. Just follow the steps below.

 * Firstly, enter the numbers or data set in the text box.
 * Most importantly, the entered values should be space (i.e. 2 3 4 7) or comma
   (i.e. 2, 3, 4, 7 or 2,3,4,7) seperated.
 * After entering the values, just click on the "Calculate" button.
 * As a result, you will get Mean, Population and Sample Variance, and
   Population and Sample Standard Deviation on your screen.
 * Lastly, you can reset the calculater using the "Reset" button.


KEY FEATURES

USER-FRIENDLY INTERFACE

The calculator is useless if the user interface is not so well. That's why we
have provided a simple and user-friendly interface to our online users.

MULTIPLE OUTPUT

Our tool shows Mean, Variance, and Standard Deviation results. So, it's a
one-stop solution to find all the required values.

FAST & ACCURATE RESULTS

The standard deviation calculator gives fast and 100% accurate results. It works
on coded algorithms and is fully tested by our experts.

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