Crawl Ratio Calculator
Enter your transmission, transfer case, and axle gear ratios into the left side of the form below and press the calculate button to find your final crawl ratio.
|Final Crawl Ratio:||50:1||100:1||150:1||200:1|
|35" tires at 1,500 rpm||3.2 mph||1.6 mph||1.0 mph||0.7 mph|
|37" tires at 1,500 rpm||3.5 mph||1.7 mph||1.1 mph||0.8 mph|
|42" tires at 1,500 rpm||3.9 mph||1.9 mph||1.3 mph||1.0 mph|
To calculate for a different RPM, use our Engine RPM calculator.