What’s the weight equivalent of X3 resistance bands?

The white X3 resistance band: 10 to 50 lbs, then doubled over 100 lbs

The light grey X3 resistance band: 25 to 80 lbs, then doubled over 160 lbs

The dark grey X3 resistance band: 50 to 120 lbs, then doubled over 240 lbs

The black X3 resistance band: 60 to 150 lbs, then doubled over 300 lbs

The Elite X3 resistance band (sold separately): 110 to 250 lbs, then doubled over 500 lbs