CARDS & RECORDING

Video Storage & Record Time Calculator

Turn card capacity and camera bitrate into a realistic recording-time estimate, with a safety allowance and SD speed-class check.

CORE FORMULAtime = usable card bits ÷ bitrateInputs stay in this browser.

INPUTS

Set your shot

Card capacityRecording bitrateMb/sUse the bitrate for the exact camera mode.Working reserve%7% is a practical planning allowance.

LIVE RESULT

Your working numbers

Estimated record time1h 19m

Usable capacity119 GB7% held in reserve

Codec data rate25 MB/sMbps ÷ 8

Suggested minimumV60Target ≥ 31.3 MB/s sustained

Estimate includes your chosen reserve; camera limits and variable bitrate can shorten or extend it.

READ THE RESULT

Use the estimate as a planning tool.

Camera specifications, tolerances and shooting conditions can change a real result. We expose the assumptions so you can choose a margin that fits the consequence of getting it wrong.

Read the related field guide