Rolling Resistance Calculator
Calculate rolling resistance force for vehicles based on tire type, pressure, surface conditions, and vehicle weight. Understand how different factors affect fuel efficiency.
Step 1: Vehicle Details
Understanding Rolling Resistance
Rolling resistance coefficient (Crr) varies by tire type, pressure, and surface. Lower values mean less resistance and better fuel economy. Typical values range from 0.006 for specialized low-resistance tires to 0.02 for off-road tires.
Step 2: Additional Options
About Rolling Resistance
Rolling resistance is the force that resists motion when a tire rolls on a surface. It’s primarily caused by tire deformation and accounts for about 5-15% of a vehicle’s fuel consumption. Higher tire pressure and specialized tires can significantly reduce rolling resistance.
Rolling Resistance Results
Total Rolling Resistance Force
Tire Type Rolling Resistance Comparison
| Tire Type | Coefficient (Crr) | Resistance Force | Fuel Economy Impact |
|---|
Rolling Resistance Breakdown
Rolling Resistance Formula
Frr = Crr × W × g × Sf
Where:
Frr = Rolling resistance force
Crr = Coefficient of rolling resistance
W = Vehicle weight (kg)
g = Acceleration due to gravity (9.81 m/s²)
Sf = Surface factor multiplier
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