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Ring Capacity for Looseleaf Binders
Listed below are the number of sheets of paper that will fit comfortably inside the ring metal.
Please use this information as a guideline only.
For exact fit, call us for a free mock-up of your actual manual.
Sheet quantities shown do not include sheetlifters
or index tabs which could significantly effect capacity. |
Round Rings
To 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. |
 |
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-Rings
To 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. |
 |
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-Rings
To 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. |
 |
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 |
