275/40R18 Tire Size in Inches

275/40R18 is a metric tire size representation, which defines that the tires have a width of 275 mm, 40 is the aspect ratio and a rim diameter of 18 inches. In the imperial system the tire size 275/40R18 equates to a 26.7×10.8R18 that is commonly used in the automotive industry. So Converting 275/40R18 in inches the tires have a length of 26.7 inches, a width of 10.8 inches, a sidewall height of 4.3 inches and The number of complete resolutions made by the corresponding tire size is equal to 756 per mile with a circumference of 83.8 inches.

275/40R18 tire size in inches

275/40R18inchesmm
Tire Diameter26.7 inches677 mm
Tread Width10.8 inches275 mm
Rim Diameter18 inches457 mm
Sidewall Height4.3 inches110 mm
Circumference83.8 inches2126 mm
Revolutions756 per mile470 per km

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275/40R18 Equivalent Tire Sizes for replacement

If you are replacing your tires, always keep in mind that they are compatible with your vehicle so that the impact on the overall performance of your vehicle can be reduced. Here we have listed some tire size that is equivalent to 275/40R18 tires.

Tire Size Overall Diameter Difference
285/35R18 25.9″ (657 mm) -3%
125/70R19 25.9″ (659 mm) -2.7%
225/45R18 25.9″ (659 mm) -2.7%
335/30R18 25.9″ (659 mm) -2.7%
305/25R20 26″ (660 mm) -2.5%
355/25R19 26″ (661 mm) -2.4%
185/55R18 26″ (661 mm) -2.4%
295/30R19 26″ (661 mm) -2.4%
255/35R19 26″ (661 mm) -2.4%
255/40R18 26″ (661 mm) -2.4%
145/70R18 26″ (661 mm) -2.4%
255/30R20 26.1″ (662 mm) -2.2%
295/35R18 26.1″ (663 mm) -2.1%
225/40R19 26.1″ (663 mm) -2.1%
205/50R18 26.1″ (663 mm) -2.1%
345/30R18 26.2″ (665 mm) -1.8%
315/25R20 26.2″ (666 mm) -1.6%
225/35R20 26.2″ (666 mm) -1.6%
305/30R19 26.3″ (667 mm) -1.5%
265/30R20 26.3″ (668 mm) -1.3%
265/35R19 26.3″ (669 mm) -1.2%
265/40R18 26.3″ (669 mm) -1.2%
235/45R18 26.3″ (669 mm) -1.2%
325/25R20 26.4″ (670 mm) -1%
305/35R18 26.4″ (671 mm) -0.9%
235/40R19 26.4″ (671 mm) -0.9%
235/35R20 26.5″ (672 mm) -0.7%
135/80R18 26.5″ (673 mm) -0.6%
315/30R19 26.5″ (673 mm) -0.6%
135/70R19 26.5″ (673 mm) -0.6%
215/50R18 26.5″ (673 mm) -0.6%
275/30R20 26.5″ (674 mm) -0.4%
275/35R19 26.6″ (675 mm) -0.3%
155/70R18 26.6″ (675 mm) -0.3%
335/25R20 26.6″ (676 mm) -0.1%
315/35R18 26.7″ (677 mm) 0%
245/45R18 26.7″ (677 mm) 0%
245/40R19 26.7″ (679 mm) 0.3%
325/30R19 26.7″ (679 mm) 0.3%
345/25R20 26.8″ (680 mm) 0.4%
285/30R20 26.8″ (680 mm) 0.4%
245/35R20 26.8″ (680 mm) 0.4%
145/60R20 26.9″ (682 mm) 0.7%
285/35R19 26.9″ (683 mm) 0.9%
205/55R18 26.9″ (683 mm) 0.9%
225/50R18 26.9″ (683 mm) 0.9%
335/30R19 27″ (685 mm) 1.2%
325/35R18 27″ (685 mm) 1.2%
285/40R18 27″ (685 mm) 1.2%
225/45R19 27″ (685 mm) 1.2%
295/30R20 27″ (686 mm) 1.3%
255/35R20 27″ (686 mm) 1.3%
255/40R19 27″ (687 mm) 1.5%
255/45R18 27″ (687 mm) 1.5%
225/40R20 27.1″ (688 mm) 1.6%
295/35R19 27.1″ (689 mm) 1.8%
165/70R18 27.1″ (689 mm) 1.8%
145/80R18 27.1″ (689 mm) 1.8%
345/30R19 27.2″ (691 mm) 2.1%
305/30R20 27.2″ (692 mm) 2.2%
235/50R18 27.3″ (693 mm) 2.4%
175/60R19 27.3″ (693 mm) 2.4%
295/40R18 27.3″ (693 mm) 2.4%
215/55R18 27.3″ (693 mm) 2.4%
155/60R20 27.3″ (694 mm) 2.5%
265/35R20 27.3″ (694 mm) 2.5%
235/45R19 27.4″ (695 mm) 2.7%
265/40R19 27.4″ (695 mm) 2.7%
265/45R18 27.4″ (695 mm) 2.7%
235/40R20 27.4″ (696 mm) 2.8%
145/65R20 27.4″ (696 mm) 2.8%
305/35R19 27.4″ (697 mm) 3%
355/30R19 27.4″ (697 mm) 3%

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