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Rolling Resistance Force and Power Calculator — result sheet
Estimate level-road rolling-resistance force, power, and work from mass, coefficient, speed, and distance.
Inputs used
Results
Visual chart
Breakdown
Calculation steps
Returned data table
Formula and methodology
Formula: Rolling force Frr = Crr × mass × g; power = Frr × speed; work = Frr × distance.
This page isolates rolling resistance so visitors can see how a coefficient and normal load become force, power, and work. It deliberately does not hide aerodynamic or grade effects inside the answer.
This result follows the calculator's declared inputs, precision, validation boundaries, and model limits.
Input contract
- Vehicle or load mass — kg; minimum 1.0E-6; maximum 1000000000
- Rolling-resistance coefficient — Crr; Use a measured or sourced value for the tire, wheel, and surface.; minimum 1.0E-6; maximum 10
- Speed — km/h; minimum 0; maximum 1000000
- Distance — km; minimum 0; maximum 1000000000
Worked example
| Input | Value |
|---|---|
| Vehicle or load mass | 1200 |
| Rolling-resistance coefficient | 0.012 |
| Speed | 50 |
| Distance | 100 |
Rolling force = 141.21576 N, power = 1,961.33 W at 50 km/h, and work = 1,412,157.6 J over 100 km.
Assumptions and limits
- The surface is level and the coefficient stays constant over the entered distance.
- Mass is entered in kilograms and gravity uses 9.80665 m/s².
- Speed is converted from km/h to m/s before power is calculated.
- Air drag, slope, acceleration, drivetrain losses, wheel bearings, temperature, and tire pressure are excluded.
Calculator note
Source and methodology
Use the official WorldCalculate methodology policy for the source, formula, precision, and boundary standards behind this calculator.
Planning estimate, not financial, medical, legal, or professional advice. © WorldCalculate — reuse with attribution. Built and curated by Hassan ALRowaie.
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