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Wheel Force Calculator

Easily calculate wheel force with our free Wheel Force Calculator. Find torque, traction, and tractive force values for cars and trucks in seconds.

Formula: Fwheel = Twheel / rwheel
Formula: Fwheel = (m × a) / Nwheels
Advanced Options (Optional)
Leave empty to skip traction limit check
Required for traction limit check
Leave empty to skip rolling resistance

Ever wondered how much force your car or truck wheels create? That’s what wheel force is all about. It’s the push your tires give the road when torque meets traction. We built this Wheel Force Calculator so anyone can figure it out quickly. No tricky math. No long steps. Just clear results that make sense.

What is Wheel Force?

Wheel force is the forward push your wheels give. It links torque, wheel size, mass, and acceleration. In simple words, torque at the wheel divided by the wheel’s rolling radius gives you the wheel force.

Formula:

Wheel Force = Torque ÷ Wheel Radius

You can also use Newton’s law. In that case, multiply the vehicle’s mass by acceleration and then divide by the number of driven wheels.

Formula:

Wheel Force = (Mass × Acceleration) ÷ Number of Wheels

This way, you can check the force for both cars and heavy trucks.

Why Use a Wheel Force Calculator?

Think about towing a trailer or driving uphill. Knowing your wheel force helps you see if your vehicle can handle it. Engineers use it for design, but drivers and students can use it too. It’s also useful when comparing tire sizes and how they affect torque.

How to Use the Wheel Force Calculator

It’s super easy:

Method 1: Torque Based

  1. Enter wheel torque.
  2. Add wheel radius.
  3. Hit calculate.
    The result is your tractive force in Newtons.

Method 2: Mass and Acceleration Based

  1. Enter vehicle mass.
  2. Add acceleration.
  3. Choose number of driven wheels.
  4. Hit calculate.
    You’ll get the force per wheel.

Our tool also gives results in Newtons, pounds-force, and kiloNewtons.

Understanding Traction Force

Traction force is the grip between tire and road. It depends on friction and normal force. The formula is:

Traction Force = Friction Coefficient × Normal Force

If wheel force is higher than traction force, the wheels slip. That’s why truck drivers feel wheels spin on icy roads.

Tire Size and Wheel Torque

Tire size affects torque at the ground. A bigger radius lowers wheel force for the same torque. A smaller radius gives more push but less top speed. That’s why off-road vehicles often use smaller tires.

Final Verdict

Our Wheel Force Calculator is simple, fast, and accurate. Whether you’re a student, mechanic, or truck driver, this tool gives you the numbers you need. It shows how torque, mass, and traction all connect to real-world driving. Try it today and see how much push your wheels really make.

FAQs

What is tractive force in vehicles?

It’s the forward force your wheels apply to the road.

What is the wheel torque formula?

Torque at the wheel divided by wheel radius.

What is traction force in physics?

It’s the grip force created by friction between tire and road.

Can tire size affect wheel force?

Yes. Bigger tires reduce force at the ground, smaller tires increase it.

Does this work for trucks too?

Yes. Just enter mass, torque, or wheel size and you’ll get truck wheel force.