37X13.5R17 Tire Size

All You Need to Know About 37X13.5R17 Tires (Notation Variant)

37X13.5R17 is an alternate written format for the same tire size, most commonly written as 37X13.50R17. Both designations refer to a radial flotation tire with a nominal 37-inch diameter, a 13.5-inch section width, and a 17-inch wheel diameter. The only difference between the two strings is a trailing zero that some sources include, and others omit.

Is 37X13.5R17 the Same as 37X13.50R17?

Yes. These two size strings describe the same tire. The table below clarifies the notation difference.

Both 37X13.5R17 and 37X13.50R17 refer to a 13.5-inch section width. The trailing zero after "13.5" carries no technical meaning - it is a formatting convention used by some manufacturers, retailers, and databases, and omitted by others. When shopping, searching for 37X13.5R17 returns the same physical tires as searching for 37X13.50R17. The same applies in reverse.

When You'll See 37X13.5R17 vs 37X13.50R17

Tire retailers, online databases, and some manufacturers drop the trailing zero as a data entry shorthand. If a search for 37X13.5R17 returns results, those tires are identical to what you would find searching 37X13.50R17. The same applies in reverse. This is purely a notation disambiguation. For full fitment specifications, construction details, comparison with adjacent sizes, and load/inflation data for this tire family, see the main 37X13.50R17 article.

What 37X13.5R17 Does Not Mean

• It does not indicate a different width than 37X13.50R17
• It does not indicate a bias-ply tire (that would be 37x13.5-17 with a hyphen)
• It does not indicate a different wheel diameter
• It is not a rare or specialty variant - it is the same tire as the 37X13.50R17, formatted differently

Sizes 37X13.5R17 Is Frequently Confused With

The table below identifies the sizes most commonly confused with 37X13.5R17 and clarifies the relationship to each: