4x4 Off-Road Calculators & Tools
Welcome to our dedicated toolkit for 4x4 and off-road calculators. Whether you are planning to upgrade your tires, re-gear your axles, or build a dedicated rock crawler, our precision tools are designed to help you make mathematically accurate decisions for your vehicle build.
Select any of the tools below to get started:
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4x4 Metric to Inch Tire Size Converter
Quickly convert metric tire dimensions into standard inches to find the exact diameter of your new tires before making a purchase. -
4x4 Gear Ratio Calculator
Find the ideal ring and pinion gear ratio to restore your vehicle's factory performance, torque, and fuel economy after installing larger tires. -
4x4 Speedometer Error Calculator
Calculate your actual vehicle speed and find out your speedometer error percentage to avoid speeding tickets after a tire size upgrade. -
4x4 Crawl Ratio Calculator
Calculate your drivetrain's total gear reduction to determine your rig's capability for rock crawling and technical low-speed trails.
Bookmark this page for quick access whenever you are planning your next off-road modification!