Prep36 › Embed the calculator

Put a free ACT score calculator on your site

Paste one iframe and your students get an ACT score calculator that turns raw correct answers into an estimated 1 to 36 composite. It is free for any school, library, counseling or tutoring site. No signup, no cost, and the credit line is optional.

See it first

This is the live widget, running on this page exactly as it would on yours.

Copy this

Paste it wherever you want the calculator to appear. It works in plain HTML, WordPress custom-HTML blocks, Google Sites embeds and Notion.

<!-- Prep36 ACT score calculator -->
<iframe id="prep36-calc" src="https://prep36.com/embed/calculator"
        title="ACT score calculator" loading="lazy"
        style="width:100%;max-width:480px;height:430px;border:1px solid #e7e5df;border-radius:12px"
        scrolling="no"></iframe>
<p style="font-size:13px;color:#6b6b72;margin-top:6px">
  <a href="https://prep36.com/guides/act-score-calculator">ACT score calculator</a> by Prep36.
  Free, no account needed.
</p>
<script>
addEventListener('message',function(e){
  if(e.data && e.data.prep36Height){
    var f=document.getElementById('prep36-calc');
    if(f) f.style.height=e.data.prep36Height+'px';
  }
});
</script>

The small script at the end is optional. It lets the widget tell your page how tall it needs to be, so the frame resizes instead of scrolling.

Sizing

Sidebar: set max-width:340px and height:470px.

In an article: the default max-width:480px and height:430px.

Full width: remove max-width and keep width:100%.

What you are allowed to do

Embed it on any site, including commercial tutoring sites. There is no fee and no licence to sign.
The credit line is optional. You may delete the paragraph under the iframe. We would rather you kept it, but nothing is conditional on it.
You may restyle the frame: borders, radius, width and height are all yours.
Please do not present the calculator as your own tool, or imply that Prep36 is affiliated with ACT, Inc.

How accurate it is

The calculator uses a representative conversion curve. ACT builds a slightly different table for every test form, so a real score report can differ by about a point. The full conversion tables are published here so you and your students can check the arithmetic yourselves.

The composite is the average of English, Math and Reading, rounded to the nearest whole number. Science is optional on the Enhanced ACT and is reported separately.

Who this is for

School counselors, college and career centres, public library teen services, college access programmes and independent tutors. If you want more than the calculator, Prep36 for tutors and counselors covers seat packs, and the guides library is free to link at will.

Questions about embedding?

The calculator, all 1,026 practice questions and every explanation are free. Two of the six full-length timed forms are free as well.

Open the calculator

Prep36 is not affiliated with, and is not endorsed by, ACT, Inc. ACT is a registered trademark of ACT, Inc.