Cadillac Chevrolet Dodge Ford GMC Hummer Infiniti Lincoln Nissan Toyota ReadyRamp Specialties

---

1. Input OEM tire size, aspect ratio and rim diameter in original size.
2. Add custom tire size, aspect ratio and rim diameter in custom size--change the numbers shown in order to calculate tire sizing.

	SECTION WIDTH	ASPECT RATIO	RIM DIAMETER	OVERALL DIAMETER	SECTION WIDTH	REV PER MILE	SPEEDO ERROR MPH
ORIGINAL SIZE
CUSTOM SIZE

IMPORTANT NOTE! Remember, aftermarket sizing is not standardized. Contact a tire professional before your purchase.

---

---