Reformer Resistance Calculator

This tool estimates resistance based on standard Pilates reformer spring industry averages:

• Heavy (Red): ~5.0 kg / 11.0 lbs
• Medium (Blue): ~3.0 kg / 6.6 lbs
• Light (Yellow): ~1.5 kg / 3.3 lbs

* Note: Actual tension varies by reformer manufacturer and spring age/elasticity. Use this for educational and planning purposes only.