Ring Capacity for Looseleaf BindersListed below are the number of sheets of paper that will fit comfortably inside the ring metal.
Please use this information as a guideline
only. |
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Round RingsTo find the correct ring metal size, measure the inside diameter of the ring. The most economical and traditional, this metal can be mounted on either the spine or back cover. |
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Ring Size |
20 lb Bond/ 50 lb. Vellum |
24 lb Bond/ 60 lb. Vellum |
28 lb Bond/ 70 lb. Vellum |
| 1/2" | 90 | 70 | 60 | |
| 1" | 170 | 150 | 135 | |
| 1 1/2" | 285 | 240 | 210 | |
| 2" | 370 | 320 | 280 | |
| 2 1/2" | 480 | 380 | 360 | |
| 3" | 560 | 470 | 420 | |
Straight D-RingsTo find the correct ring metal size, measure the "flat" portion of the ring. Offers more capacity than a regular round ring, but is difficult to turn pages. |
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Ring Size |
20 lb Bond/ 50 lb. Vellum |
24 lb Bond/ 60 lb. Vellum |
28 lb Bond/ 70 lb. Vellum |
| 1" | 225 | 155 | 140 | |
| 1 1/2" | 320 | 250 | 230 | |
| 2" | 425 | 350 | 315 | |
| 2 1/2" | 485 | 430 | 350 | |
Angle D-RingsTo find the correct ring metal size, measure the inside "Angle" Portion of the ring. Provides the most capacity, with easy access to pages and less paper tearout. |
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|
Ring Size |
20 lb Bond/ 50 lb. Vellum |
24 lb Bond/ 60 lb. Vellum |
28 lb Bond/ 70 lb. Vellum |
| 1" | 220 | 150 | 135 | |
| 1 1/2" | 315 | 245 | 225 | |
| 2" | 420 | 345 | 315 | |
| 2 1/2" | 520 | 420 | 380 | |
| 3" | 600 | 490 | 430 | |
| 4" | 890 | 710 | 620 | |
