ESI (Electronic Stored Information) Calculator
Forecasting Your Document Review Budget
The first step is calculating the amount of electronic stored information (ESI) you have, and subsequently determining document and page equivalencies. This allows you to estimate how many contract attorneys a project will require within a given timeline.
Below are some general conversion guidelines and definitions as a guide to estimating your document review project scope and cost. However, it is best to contact us directly since Hudson Legal can provide you with the best advice on options to meet your needs.
How many documents and pages are in my legal document review?
ELECTRONIC DATA
(ABBREVIATION)
EQUIVALENCIES
NUMBER OF DOCUMENTS
NUMBER OF
PRINTED PAGES
Bit The smallest measured
amount of data. 1 doc < 1 page
(usually 1-2 words)
Byte (b) 8 bits 1 doc < 1 page
(approximately 15 words)
Kilobyte (k) 1,000 bytes 1 doc 1 page
Megabyte (MB) 1,000,000 bytes 5-10 docs 75 pages
Gigabyte (GB) 1,000 megabytes 7,500 docs 75,000 pages
Terabyte (TB) 1,000 gigabytes 7,500,000 docs 75,000,000 pages
Note: These are approximate conversions. Figures can vary depending upon the number and type of files being reviewed.
How do my file formats affect page counts?
FILE TYPE
NUMBER OF EMAILS
ATTACHMENTS
NUMBER OF
PRINTED PAGES
100 MB .PST file 900 300 attachments 1,350 pages
400 MB .PST file 3,500 1,200 attachments 5,250 pages
600 MB .PST file 5,500 3,000 attachments 8,250 pages
1 GB
.NST file 9,000 3,000 attachments 13,500 pages
Note: These are approximate conversions. Figures can vary depending upon the number and type of files being reviewed.
