The document conversion services industry generally charges on a per image basis. This is because once a project is completed, the total quantity of images is easily quantifiable.
This begs the question, how many images do I have?
In trying to determine how many images you have, first calculate the total amount of sheets of paper (8.5" X 14" or smaller) by using the following benchmark.
- For every one foot of paper, assume 2,000 sheets
This means, if full, that a standard sized document storage box (length 15" X width 12" X height 10") is about 2,500 sheets. So, twenty full boxes might contain as much as 50,000 sheets of paper.
This means, if full, that a standard sized four drawer file cabinet (where each drawer is about two feet deep) will contain about 16,000 sheets of paper. So, ten full four drawer file cabinets might contain as much as 64,000 sheets of paper.
While the above calculation does not take into consideration the amount of space used by folders or file separators, it is still a safe assumption none the less.
For example, within one foot of records (on a shelf) if there are ten file separators (that is 200 sheets of paper on average per one file) it is still safe to assume that the total sheet count is about 2,000 sheets. However, if there is a file separator ever ten pages, the cardboard dividers will take up a lot more room. As such the total sheet count might be closer to, say 1,000 sheets of paper.
Of course, once the total sheets of paper have been calculated, the next step is to figure how many images you have. Say you have determined that there are 100,000 sheets of paper. Next, simply determine your estimate in terms of how many of those sheets maintain a backside image. If you determine that about ten percent of the total paper volume maintains a backside image, your total image count is about 110,000 images.
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