Film Development Calculator
Black-and-white film. Pick film, the speed you exposed it at, developer and tank; enter the developer temperature for the time.
1 · Setup
2 · Mix
3 · Time
°C
Agitation
Source
Times are manufacturer starting points at the stated agitation. Estimates for unpublished EIs are extrapolated from the published curve and should be tested before trusting important film. Temperature adjustment follows Ilford's time/temperature chart (18 to 27 °C).