Axle Weight Calculator

[Jim]

MotorhomeFun Rear Axle Calculator

Calculate how much weight you're adding behind the rear axle

Understanding the Fulcrum Effect

When you add weight behind the rear axle (like bikes on a rack, or rear storage boxes), it creates a lever effect with the rear axle as the fulcrum. This means:

• The rear axle carries MORE weight than the actual item weighs - the further back, the greater the effect
• The front axle loses weight - which can affect steering and braking
• A 60kg load 2 meters behind the axle can add 90kg to the rear axle!

Use this calculator to ensure you stay within your vehicle's maximum rear axle weight limit.

Vehicle Setup

Maximum Rear Axle Weight (kg)

Current Rear Axle Weight (kg)

Wheelbase (meters)

Rear Axle Load

1800 kg / 2400 kg

75%

✓ Within safe limits - 600 kg remaining

Additional Load on Rear Axle

+0 kg

Weight Removed from Front Axle

-0 kg

Add Items Behind Rear Axle

Item Name

Weight (kg)

Distance Behind Axle (mm)

Add Item

No items added yet. Add items to see how they affect your rear axle load.