1. What is Power Training Zone?

Power training zones are specific intensity ranges based on your Functional Threshold Power (FTP). These zones help athletes train at the right intensity for their goals, whether it's endurance, tempo, threshold, VO2 max, or anaerobic capacity.

2. How Does the Calculator Work?

The calculator uses the power zone formula:

Where:

• \( Zone_i \) — Training zone power (watts)
• \( FTP \) — Functional Threshold Power (watts)
• \( zone\_percentage_i \) — Percentage of FTP for the desired zone (dimensionless)

Explanation: The equation calculates the appropriate wattage for a specific training zone based on your FTP and the percentage range for that zone.

3. Importance of Training Zones

Details: Training in specific power zones ensures you're working at the correct intensity to achieve your training goals, whether it's building endurance, improving lactate threshold, or increasing peak power output.

4. Using the Calculator

Tips: Enter your FTP in watts and the desired zone percentage (e.g., 55-75% for Zone 2 endurance training). All values must be valid (FTP > 0, percentage > 0).

5. Frequently Asked Questions (FAQ)

Q1: What is Functional Threshold Power (FTP)?
A: FTP is the highest power you can sustain for approximately one hour, measured in watts. It's a key metric for cycling training.

Q2: What are typical power zone percentages?
A: Common zones range from Zone 1 (recovery, <55% FTP) to Zone 7 (neuromuscular power, >150% FTP).

Q3: How often should I test my FTP?
A: Typically every 4-8 weeks, as your fitness changes. More frequently if you're new to training or making big improvements.

Q4: Are power zones the same for everyone?
A: While percentage ranges are similar, actual wattages are individual based on each athlete's FTP.

Q5: Should I use power zones for all my training?
A: Power zones are most useful for structured training. Some workouts may combine zones or use perceived exertion.