225/50R16 Tire Size Specifications & Compatible Vehicles
Overall Diameter
631.4 mm
Section Width
225 mm
Sidewall Height
112.5 mm
Circumference
1983.6 mm
Revs/Mile
811
Rim Diameter
16"
Inch Equivalent
24.9x8.9R16
Rim Width (ETRTO)
6.5" – 8.5"
Alternative Tire Sizes
These tire sizes are within 3% overall diameter of 225/50R16 and may be used as replacements:
Understanding 225/50R16
The tire size 225/50R16 means the tire has a section width of 225mm, an aspect ratio of 50% (the sidewall height is 50% of the width), and fits a 16-inch rim.
Sidewall Height = 225 x 0.5 = 112.5 mm
Overall Diameter = (112.5 x 2) + (16 x 25.4) = 631.4 mm
Circumference = 631.4 x π = 1983.6 mm
Overall Diameter = (112.5 x 2) + (16 x 25.4) = 631.4 mm
Circumference = 631.4 x π = 1983.6 mm
Frequently Asked Questions
The 225/50R16 is a standard tire size. Check your vehicle door jamb sticker or owner manual to confirm compatibility.
A 225/50R16 tire has an overall diameter of 631.4mm (24.9 inches). The sidewall height is 112.5mm, and the total circumference is 1984mm.
For 225/50R16 tires, the ETRTO recommended rim width is 7.5". The acceptable range is 6.5" minimum to 8.5" maximum. Using a rim outside this range can cause improper bead seating and unsafe handling.
Yes, as long as the replacement tire overall diameter is within 3% of the 225/50R16 631.4mm diameter. Compatible alternatives include 285/35R17, 345/40R14, 205/55R16. Use our Tire Size Calculator to compare any two sizes.