CompareWheels

Embed our tire size calculator on your site

Run a car blog, tire shop, detailing site, or owners' forum? Add a full tire size comparison calculator to any page with one copy-paste snippet. Free, no signup, and it stays up to date automatically.

1. Copy the snippet

<!-- CompareWheels Tire Size Calculator -->
<iframe
  src="https://comparewheels.com/embed/tire-calculator"
  style="width:100%;min-height:780px;border:0;border-radius:12px"
  title="Tire Size Calculator"
  loading="lazy"></iframe>
<p style="font-size:12px;text-align:center;margin-top:4px">
  <a href="https://comparewheels.com/tire-calculator">Tire Size Calculator</a>
  by <a href="https://comparewheels.com">CompareWheels</a>
</p>

Please keep the credit links — they let your readers verify the math and are the only thing we ask for in return.

2. Paste it anywhere HTML works

WordPress (Custom HTML block), Shopify pages, forum posts that allow HTML, or any static site. The widget is responsive and fills the width of its container.

Live preview

Tire Size Visualizer

OriginalNew
634 mm101mm WallRim225 mm653 mm98mm WallRim245 mm225/45R17245/40R18

225/45R17

Sidewall101.3 mm
Overall diameter634.3 mm (24.97")
Revs / mile808

245/40R18

Sidewall98.0 mm
Overall diameter653.2 mm (25.72")
Revs / mile784

Difference (new − original)

Overall diameter+18.9 mm+2.98%
Sidewall-3.3 mm
Section width+20 mm
Ride height (axle)+9.5 mm
At indicated 60 mph61.79 mphactual speed
Speedo error+2.98%

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