CCTV Security DVRs Storage Space Calculator

Use this calculator to determine just how much storage space you will need for your surveillance system.

Number of cameras recording?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

Number of frames per second you would like each camera to record?

1 - typical for analog systems 2 3 - most commonly used overall 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

What video encoding will the system use?

MotionJPEG MPEG-4 - most commonly used H.264

What screen resolution will the system use?

160x120 320x240 640x240 640x480

How many hours per day will the camera run?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24

How many days of video would you like to store?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

You will need about Gigabytes of hard drive space to meet your storage needs.

This is an estimate that can vary in actual use depending on type of video being recorded.