HTML · INPUT TYPE

HTML input type range (slider)

Last reviewed November 3, 2026

An <input type="range"> renders a slider. The defaults are min 0, max 100 and step 1, and the value starts at the midpoint. It always submits a number string as name=value and is never empty, so required has no effect. Show the current value with an <output> element and a one-line oninput.

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Attributes & common mistakes

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What gets submitted

Fill in the form above and press its button. The demo stops the request and lists every name=value pair the browser would send, plus the controls it leaves out.

With a free access key in the form, these fields land in your splitforms dashboard; access_key and botcheck are read by splitforms, not stored as lead data.

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Example HTML (changes re-run the live demo)

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Minimal snippet

range-input-example.html

<input type="range" id="volume" name="volume" min="0" max="100" step="1">

Copy-paste code

HTML Input Type Range code you can paste today.

Replace YOUR_ACCESS_KEY with a key from your free splitforms dashboard. The form posts to one endpoint — submissions land in your inbox and dashboard with spam filtering built in.

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input-type-range.html

<form action="https://splitforms.com/api/submit" method="POST" oninput="budgetOut.value = budget.value">
  <input type="hidden" name="access_key" value="YOUR_ACCESS_KEY">

  <label for="name">Name</label>
  <input type="text" id="name" name="name" autocomplete="name" required>

  <label for="budget">Budget (USD)</label>
  <input type="range" id="budget" name="budget"
         min="0" max="10000" step="500" value="5000">
  <output name="budgetOut" for="budget">5000</output>

  <!-- Honeypot: hidden from people, bots fill it in -->
  <input type="checkbox" name="botcheck" style="display:none" tabindex="-1" autocomplete="off">

  <button type="submit">Send</button>
</form>

Attributes · <input type="range">

Which HTML Input Type Range attributes matter?

These attributes decide how the <input type="range"> behaves and what actually gets emailed to your inbox when someone submits.

HTML Input Type Range attributes and what each one does
Attribute	What it does	Docs
`name`	The key the value is sent under, such as `budget`. Without a `name`, the slider is never sent.
`min`	The lowest value on the slider. The default is 0.	MDN
`max`	The highest value on the slider. The default is 100.	MDN
`step`	The size of each step. The default is 1. Use `any` for any value in between.	MDN
`value`	The starting value. Without it, the slider starts at the midpoint between `min` and `max`.	MDN
`list`	The id of a `<datalist>` whose `<option>` values show as tick marks on the slider.	MDN

Common mistakes

HTML Input Type Range not working? Here's why.

Most broken forms come down to a few small mistakes with the <input type="range">. Check these before you ship, then forward every submission to Slack or a webhook.

There is no visible number by default
A slider shows only a thumb on a track, so people can't see the exact value. Add an <output> next to it and update it with oninput.
required does nothing
A range input always has a value, so it is never empty and required never blocks submit.
Untouched looks the same as a real choice
The value starts at the midpoint, so a submitted 50 could mean the person chose 50 or never moved the slider. If that matters, add a checkbox or use a number input or select instead.
Values snap to the step, so check again on the server
A value that doesn't fit the step snaps to the nearest step. Anyone can still send any value without your form, so parse the number on the server and check the range again.

Sources: WHATWG HTML Standard: Range state (type=range) · MDN: <input type="range">

Copy-paste ready

The HTML Input Type Range example below is a complete, working form — paste it into any HTML page and it submits, no edits to the markup required.

No backend to build

Your html input type range form posts to one endpoint. No server, PHP, or API route — accepted submissions are saved to your dashboard before owner notification email is attempted; delivery time and inbox placement depend on provider and recipient settings.

A form that really submits

Unlike a static reference snippet, this <input type="range"> form actually sends data to a free splitforms backend, with spam filtering built in.

How it works

How to add HTML Input Type Range to any page.

Copy the html input type range example, drop in your free access key, and paste it into any page — submissions start landing in your dashboard.

Copy the code

Copy the HTML Input Type Range example below.

Add your access key

Replace YOUR_ACCESS_KEY with a free splitforms key from the dashboard.

Paste into your site

Drop the form into any HTML page. Submissions arrive in your dashboard.

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Questions

HTML Input Type Range questions, answered.

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How do I show the value of a range slider?

Add an <output> element next to the slider and update it as the slider moves, for example oninput="budgetOut.value = budget.value" on the form. Set the output's starting text to the slider's starting value.

How do I set a default value on a range input?

Add a value attribute, for example value="5000". Without it, the slider starts at the midpoint between min and max, which is 50 with the defaults.

Does required work on input type range?

No. A range input always has a value, so it is never empty and required has no effect. Validate the value on the server instead.

What does the backend receive from a range input?

A name=value pair with the number as a string, such as budget=5000. Parse it as a number on the server and check it is inside your min and max.

How do I add tick marks to a range slider?

Create a <datalist> with an <option> for each tick, give it an id, and point the range input's list attribute at that id. Browsers that support it draw a tick mark at each option value.

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