Creative studios
How much memory card space do I need for a shoot?
Multiply recording seconds by the average megabits per second. Divide by 8,000 for decimal gigabytes. Divide by usable card capacity and round up before adding the spares. Include audio and container overhead in the bitrate.
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Worked example
With the example inputs below, the calculator returns these results.
Footage size (GB) 140.63
- Planned recording
- 125 min
- Average recording bitrate
- 150 Mb/s
- Usable space per formatted card
- 120 GB
- Additional spare cards
- 1 cards
Other results
- Recording cards
- 2
- Cards to pack
- 3
Use your own figures
Pack enough formatted cards for the shoot and keep a separate spare. Open the worksheet, replace the example values, then copy or print the result.
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