Load Index 31

31
Load index — max weight per tyre109 kg / 240 lbs
Four of them carry 436 kg in total.
psi
Reference pressure — where that load rating applies36 psi / 248 kPa · 2.48 bar
Not a recommended pressure — set yours from the placard in the door shut. Below this, the tyre carries less than 109 kg.

Nearby indices

Defined in UN vehicle regulation.

Where load index 31 is on the tyre

It is the number just after the rim size. Here it is on an example 205/55R16 — yours will read differently, but the 31 sits in the same place.

205/55R16 31VASPECT RATIOCONSTRUCTIONSECTION WIDTHRIM DIAMETERLOAD INDEXSPEED SYMBOL

31 Load index

Each tyre carries up to 109 kg at 36 psi — 436 kg across four.

More on load index

Also moulded on the wall