Film Gauges and Counting Schemes
in common use today

KeyKode™ is a Kodak Trademark

For more information on KeyKode, please go here and visit the Kodak site for motion picture imaging.

For calculators that do film to time conversion and other functions please go here.

GAUGE
PERFS/KEYKODE
FORMAT
COUNTS
16/S16mm
20
Footage

40 frames/foot
rollover: +39

KeyKode™20 frames/KeyKode (2 counts per foot)
rollover: +19
35mm
64
2 perf32 frames/foot
rollover: +31
3 perf

64 frames/yard

21 frames first foot
rollover: +20

21 frames second foot
rollover: +20

22 frames third foot
rollover: +21

4 perf16 frames/foot
rollover: +15
8 perf8 frames/foot
rollover: +07
65mm
120
5 perf24 frames/KeyKode
rollover: +23
8 perf15 frames/KeyKode
rollover: +14
12 perf10 frames/KeyKode
rollover: +12
15 perf (Imax™)8 frames/KeyKode
rolloover: +07