Cam Range Guide
Range, for many people this is the most important part of a cam purchase. Everyone wants the most range for the least weight. Weight is easily measured on a scale, but accurate range measurements are difficult for most climbers to determine. The below images and chart clearly outline our numbers and how we measure range. Feel free to print this out and compare to others.
Minimum Range |
Minimum Usable Range |
Maximum Usable Range |
Maximum Range |
Placement is secure, but difficult to place and remove. |
Placement is secure, and easy to place and remove. |
Placement is secure, but may move to an insecure position. A larger cam is usually better. |
Placement is not secure. |
| size | color | range in inches | range in millimeters | ||||
| min. range | usable range | max. range | min. range | usable range | max. range | ||
| *00 | grey | 0.33 | 0.34 - 0.47 | 0.55 | 8.3 | 8.5 - 12.0 | 13.9 |
| *0 | purple | 0.38 | 0.39 - 0.59 | 0.61 | 9.6 | 10.0 - 15.0 | 15.4 |
| *1 | blue | 0.48 | 0.49 - 0.71 | 0.76 | 12.1 | 12.5 - 18.0 | 19.3 |
| 2 | yellow | 0.61 | 0.62 - 0.89 | 0.95 | 15.4 | 15.5 - 22.5 | 24.1 |
| 3 | orange | 0.73 | 0.74 - 1.04 | 1.13 | 18.5 | 18.5 - 26.5 | 28.7 |
| 4 | red | 0.92 | 0.93 - 1.32 | 1.40 | 23.3 | 23.5 - 33.5 | 35.5 |
| 5 | black | 1.10 | 1.11 - 1.54 | 1.70 | 27.9 | 28.1 - 39.1 | 43.1 |
| 6 | green | 1.30 | 1.31 - 1.85 | 2.05 | 33.0 | 33.2 - 46.9 | 52.0 |
| 7 | light blue | 1.58 | 1.59 - 2.26 | 2.50 | 40.1 | 40.3 - 57.4 | 63.5 |
| 8 | light purple | 1.92 | 1.93 - 2.80 | 3.05 | 48.7 | 49.0 - 71.1 | 77.4 |
| Small | grey | 1.62 | 1.65 - 2.50 | 2.75 | 41.1 | 41.9 - 63.5 | 69.8 |
| Medium | maroon | 2.11 | 2.14 - 3.35 | 3.65 | 53.5 | 54.3 - 85.0 | 92.7 |
| Large | dark blue | 2.65 | 2.68 - 4.15 | 4.65 | 67.3 | 68.0 - 105.4 | 118.1 |
| *Range Finder color indicator only applies to sizes #2-8 | |||||||