Reel Diameter

Film Length

Play Duration (approx.)

3"

50 ft

3.5 minutes

4"

100 ft

7 minutes

5"

200 ft

14 minutes

6"

300 ft

21 minutes

7"

400 ft

29 minutes

-

750 ft

53.5 minutes

-

1500 ft

1 hr. 47 minutes

Reel Diameter

Film Length

Play Duration (approx.)

3"

50 ft

1.75 minutes

4"

100 ft

3.5 minutes

5"

200 ft

7 minutes

6"

300 ft

10.5 minutes

7"

400 ft

13.5 minutes

8"

600 ft

20.5 minutes

9"

800 ft

27.5 minutes

10"

1000 ft

34.5 minutes

11"

1200 ft

41.5 minutes

-

1600 ft

55 minutes

-

3200 ft

1 hr . 50 mintues