The film calculator allows you to calculate the footage, the number of frames, the duration of the film, weight and diameter of the film roll.
Supported formats: 8mm (regular and Super 8), 16mm, 35mm (standard film frame 4 perforations, Super 35 2 and 3 perf., full frame 8 perf.), 65mm, 70mm.

{"8":{"ptype":22,"pcount":1},"81":{"ptype":14,"pcount":1},"16":{"ptype":9,"pcount":1},"35":{"ptype":4,"pcount":4},"352":{"ptype":4,"pcount":2},"353":{"ptype":4,"pcount":3},"358":{"ptype":4,"pcount":8},"655":{"ptype":3,"pcount":5},"705":{"ptype":3,"pcount":5},"715":{"ptype":3,"pcount":15}} {"8":[["1R-1667",14,"0.1667"],["1R-1500",22,"0.15"]],"16":[["2R-2994",7,"0.2994"],["2R-3000",8,"0.3"],["1R-2994",9,"0.2994"],["1R-3000",11,"0.3"]],"35":[["BH-1870",1,"0.187"],["BH-1866",2,"0.1866"],["KS-1870",3,"0.187"],["KS-1866",4,"0.1866"],["DH-1870",5,"0.187"]],"65":[["KS-1870",6,"0.187"]],"70":[["KS-1870",27,"0.187"],["KS-1866",28,"0.1866"]]} {"14":["0.1667","0.924009",1],"22":["0.15","1.95649",1],"7":["0.2994","1.95649",2],"8":["0.3","1.95649",2],"9":["0.2994","1.95649",1],"11":["0.3","1.95649",1],"1":["0.187","4.79368",2],"2":["0.1866","4.79368",2],"3":["0.187","3.67739",2],"4":["0.1866","3.67739",2],"5":["0.187","3.32255",2],"6":["0.187","3.67739",2],"27":["0.187","3.67739",2],"28":["0.1866","3.67739",2]}