1. What is Power to Weight Ratio?

The power to weight ratio is a key metric in cycling that measures a rider's power output relative to their body weight. It's expressed in watts per kilogram (W/kg) and is a crucial factor in cycling performance, especially on climbs.

2. How Does the Calculator Work?

The calculator uses the simple formula:

Where:

• \( Power \) — Cyclist's power output in watts (W)
• \( Weight \) — Cyclist's body weight in kilograms (kg)

Explanation: The ratio shows how many watts of power a cyclist can produce for each kilogram of body weight.

3. Importance of Power to Weight Ratio

Details: This ratio is particularly important in hill climbing, where gravity plays a significant role. Higher ratios mean better climbing performance. Professional cyclists typically have ratios of 6+ W/kg for short efforts.

4. Using the Calculator

Tips: Enter your power output in watts and your weight in kilograms. Both values must be positive numbers. For best results, use power data from a power meter.

5. Frequently Asked Questions (FAQ)

Q1: What's a good power to weight ratio?
A: For recreational cyclists, 2-3 W/kg is typical. Competitive cyclists might achieve 4-5 W/kg, while elite racers can reach 6+ W/kg for short durations.

Q2: Does this ratio matter on flat terrain?
A: Less so than on climbs. On flat terrain, absolute power and aerodynamics become more important factors.

Q3: How can I improve my power to weight ratio?
A: Either increase your power output through training, decrease your weight (safely), or ideally both.

Q4: Should I use my FTP for this calculation?
A: Yes, using your Functional Threshold Power (FTP) gives a good indication of your sustainable power to weight ratio.

Q5: How does this compare between men and women?
A: Elite female cyclists typically have slightly lower absolute power but similar power to weight ratios compared to elite male cyclists.