Calculator
* Tape length is calculated as the length of the longer side multiplied by 2. Thus, if the longest side of the master record is 30 min, a C-60 cassette (60 min total length = 30 min * 2) is required.
* Tape length is calculated as the length of the longer side multiplied by 2. Thus, if the longest side of the master record is 30 min, a C-60 cassette (60 min total length = 30 min * 2) is required.