# 37x13.50 R20

## What size is 37x13.50 R20?

37x13.50 R20 has an overall diameter of about 37.00 in, a section width of 13.50 in and a sidewall height of 8.50 in. It turns roughly 545 times per mile. Below are the exact figures plus in-tolerance plus/minus sizes you can switch to safely.

## Specification

| Specification | |
|---|---|
| Overall diameter | 37.00 in |
| Section width | 13.50 in |
| Sidewall height | 8.50 in |
| Circumference | 116.24 in |
| Revolutions | 339 /km · 545 /mi |

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Methodology: https://tirefitlab.com/methodology/ · Tire size calculator: https://tirefitlab.com/37x13.50-r20/

> Geometry is computed in canonical millimetres and is deterministic across the site. Always verify physical clearance before fitting.