Ratio to restore
The numerically higher axle ratio that returns the truck to its stock effective gearing on larger tires.
Gear ratio
Find the right gear ratio for bigger tires.
Enter your stock and new tire size with your current axle ratio to see the regear that restores stock drivability.
What it does
How this tool helps.
Effective ratio lost
The lower effective ratio you actually run if you keep the stock axle with bigger tires.
Tacoma regear guidance
Rules of thumb by tire size, factory ratios by generation, and the nearest ratio shops actually cut.
Related tools and guides
Gear Ratio Calculator for Tire Size FAQ.
Most owners moving to 33s regear to 4.88, or 4.56 for a mostly-street truck. Enter your exact sizes and stock ratio above for the calculated target.
4.56 is the milder, more street-friendly choice for 33s; 4.88 restores more low-end torque and is the common pick for 33s that see trail use or added weight.
Yes. The front and rear must be regeared to the same ratio together, and e-locker trims need a locker-compatible gear kit.