Lift Kit Tire Clearance Calculator

When fitting a lift kit, knowing the largest tire your vehicle can actually run without rubbing or trimming is critical — and it depends on more than just lift height alone. Enter your lift height, current tire size (width, aspect ratio, and wheel diameter), wheel width, wheel offset, vehicle type, and drivetrain into the Lift Kit Tire Clearance Calculator to find your maximum tire diameter. Secondary outputs include your current tire diameter, diameter increase, recommended tire size, and additional clearance available.

inches

Height of your lift kit in inches

inches

Width of your wheels

mm

Positive or negative offset in millimeters

Results

Maximum Tire Diameter

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Current Tire Diameter

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Diameter Increase

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Recommended Tire Size

Additional Clearance

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Frequently Asked Questions

How much bigger tires can I fit with a 3-inch lift?

With a 3-inch lift, you can typically increase your tire diameter by 2-3 inches over stock. This varies by vehicle type and wheel well clearance, but most trucks and SUVs can accommodate 33-35 inch tires with proper wheel offset.

What is wheel offset and why does it matter for lifted vehicles?

Wheel offset is the distance from the wheel's hub mounting surface to its centerline. Negative offset pushes wheels outward, providing better clearance for larger tires but may cause rubbing. Positive offset pulls wheels inward, which can limit tire size options on lifted vehicles.

Do I need different wheels for larger tires after a lift?

Not always, but it's often recommended. Your current wheels may work with slightly larger tires, but for maximum tire size, wheels with appropriate width and offset will provide better fitment and performance.

Will larger tires affect my speedometer reading?

Yes, larger tires will cause your speedometer to read slower than actual speed. A 3-inch diameter increase typically results in about 8-10% speedometer error. Many vehicles can be recalibrated or use aftermarket modules to correct this.

What's the difference between tire clearance on 2WD vs 4WD vehicles?

4WD vehicles typically have more front-end components like CV axles, differential, and transfer case that can limit tire clearance. 2WD vehicles often have more room in the front wheel wells for larger tires with the same lift height.

Can I run larger tires without a lift kit?

Limited size increases are possible without a lift, typically 1-2 inches in diameter. However, this may cause rubbing during turning or suspension compression. A proper lift kit ensures adequate clearance for larger tires.

How does wheel width affect tire fitment on lifted vehicles?

Wider wheels allow for wider tires and can improve the tire's footprint. However, too wide can cause interference with suspension components. Most lift applications work well with wheels 8-10 inches wide.

What should I consider for off-road tire clearance?

Off-road driving requires additional clearance for suspension articulation and tire flex. Consider at least 1-2 inches extra clearance beyond static measurements, especially around fender wells and suspension components.