Home
Back
Power to Speed Equation:
| From: | To: |
The Power to Speed equation estimates speed from power-to-weight ratio using an empirical constant. This formula is commonly used in cycling, running, and other athletic performance calculations to predict speed based on power output and body weight.
The calculator uses the power-to-speed equation:
Where:
Explanation: The equation calculates speed based on the power-to-weight ratio, which is a key performance metric in endurance sports. The constant accounts for various factors including efficiency, terrain, and environmental conditions.
Details: Power-to-weight ratio is a critical performance indicator in cycling, running, and other sports. Higher ratios typically correlate with better performance, especially in climbing and acceleration.
Tips: Enter power in watts, weight in kilograms, and an appropriate empirical constant. Typical constants range from 0.08 to 0.12 depending on conditions and efficiency. All values must be positive numbers.
Q1: What is a typical constant value?
A: The constant typically ranges from 0.08 to 0.12, with 0.1 being a common starting point for general calculations.
Q2: How accurate is this calculation?
A: This provides a rough estimate. Actual speed depends on many factors including wind resistance, gradient, surface conditions, and mechanical efficiency.
Q3: Can this be used for different sports?
A: Yes, but the constant may need adjustment. Cycling typically uses higher constants than running due to mechanical advantage.
Q4: What affects the constant value?
A: Factors include aerodynamics, rolling resistance, efficiency, gradient, and environmental conditions like wind and temperature.
Q5: How can I determine my personal constant?
A: Measure your actual speed at known power outputs and weights, then calculate the constant that makes the equation match your real-world performance.