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Calculate your vehicle’s diagonal weight instantly with our free Cross Weight Calculator. Achieve perfect balance for better handling and performance.
When it comes to optimizing your car’s handling and balance, cross weight is an essential factor. Also called diagonal weight or wedge percentage, cross weight determines how your vehicle’s weight is distributed diagonally across opposite corners. With our Cross Weight Calculator, you can quickly calculate the cross weight percentage and understand your car’s balance for better performance and safer driving.
Cross weight measures the diagonal distribution of a vehicle’s weight, usually expressed as a percentage. It is calculated by taking the weight on the Right Front (RF) wheel plus the weight on the Left Rear (LR) wheel, divided by the total vehicle weight.
A 50% cross weight indicates a perfectly balanced diagonal setup, meaning your car is more likely to handle neutrally in corners. A cross weight above or below 50% indicates a positive or reverse wedge, which affects handling and may require adjustments.
The standard formula for calculating cross weight is:
Cross Weight % = (RF + LR) ÷ Total Vehicle Weight × 100
Where:
This formula helps car enthusiasts and mechanics understand the car’s diagonal balance and make suspension or weight adjustments for optimal handling.
Using our online Cross Weight Calculator is simple and user-friendly. Follow these steps:
By following these steps, you can easily determine whether your car’s diagonal weight is balanced or requires adjustment.
Let’s assume you measured your vehicle’s wheel weights as follows:
Step 1: Calculate Total Vehicle Weight
Total Weight = RF + LF + RR + LR
Total Weight = 350 + 320 + 300 + 330 = 1300 kg
Step 2: Calculate Cross Weight (RF + LR)
Cross Weight = 350 + 330 = 680 kg
Step 3: Calculate Cross Weight Percentage
Cross Weight % = (680 ÷ 1300) × 100 ≈ 52.31%
Interpretation:
Since the cross weight is above 50%, your car has a positive wedge, meaning it is slightly biased toward the RF + LR diagonal. Minor suspension adjustments may be needed for neutral handling.
If your cross weight percentage is not 50%, you can adjust it using these methods:
These adjustments help achieve a balanced diagonal weight, improving cornering stability, tire wear, and overall vehicle performance.
While cross weight calculation focuses on actual wheel weights, volumetric weight is a concept used in shipping. It is calculated using either 5000 or 6000 as a divisor depending on the carrier’s standard.
For vehicle handling and cross weight calculations, you do not use 5000 or 6000; you only work with actual measured wheel weights.
The Cross Weight Calculator is a must-have tool for car enthusiasts, racers, and mechanics who want precise handling and corner balancing. By calculating the diagonal weight percentage, you can easily spot imbalance, make adjustments, and improve vehicle stability and performance.
Use our online calculator to get instant, accurate results, save time, and ensure your car is perfectly balanced for safe and efficient driving.
Add the Right Front (RF) and Left Rear (LR) wheel weights, divide by total vehicle weight, and multiply by 100.
It represents the diagonal weight distribution of a car. A 50% cross weight means perfect diagonal balance.
Adjust ride heights, redistribute weight, or tweak suspension components to achieve a 50% cross weight.
Yes. The calculator converts all units into kilograms for accurate cross weight calculation.
No. Volumetric weight is used for shipping, not vehicle handling. Always use actual wheel weights.