Calculators

Estimates how long it will take to download a file based on file size and download speed.

Estimates the time required to transfer a certain amount of data over a connection with a specific bandwidth.

Calculates the required PCB trace width for a given current, thickness, and allowable temperature rise.

Estimates the maximum current a PCB trace can handle based on width, thickness, and temperature rise.

Generates numeric or symbolic Linux file permission codes based on user/group/other read/write/execute settings.

Estimates the storage size of an audio file based on duration, bitrate, sample rate, and channels.

Converts a frame count into standard timecode format (HH:MM:SS:FF).

Calculates the hyperfocal distance, which is the distance at which a lens can be focused to achieve the greatest depth of field.

Estimates video file size based on duration, bitrate, resolution, codec, and format.

Calculates shooting interval, duration, and final clip length for time-lapse photography.