42-inch tire sizes

A 42-inch tire is any size that stands about 42″ tall. We list 4 sizes for 17″ to 26″ wheels, and their makers list them at 41.5″ to 41.9″ tall.

42-inch tires in metric

Every 42″ size we list, by wheel size. Most searched first.

Wheel	Metric	Flotation
17″	–	42×13.50R17, 42×14.50R17
20″	–	42×13.50R20
26″	–	42×15.50R26

42-inch tires on 17-inch rims

2 sizes. All 17-inch sizes

Size	Published height ″	Size code ″	Width ″	Tires
42×14.50R17	41.50	42.00	14.5	1
42×13.50R17	41.70–41.90	42.00	13.5	4

42-inch tires on 20-inch rims

1 size. All 20-inch sizes

Size	Published height ″	Size code ″	Width ″	Tires
42×13.50R20	41.70–41.80	42.00	13.5	2

42-inch tires on 26-inch rims

1 size. All 26-inch sizes

Size	Published height ″	Size code ″	Width ″	Tires
42×15.50R26	41.77	42.00	15.5	1

Questions about 42-inch tires

What size is a 42 inch tire?

A 42-inch tire stands about 42 inches tall. It isn't one size: we list 4 sizes of that height for 17″ to 26″ wheels. Their makers list them at 41.5″ to 41.9″ tall.

How wide is a 42 inch tire?

From 13.5″ to 15.5″ (343–394 mm) across the 4 sizes here. Width is part of the size code, not the height, so check it separately for clearance.