Dilution and concentration calculator
This dilution and concentration calculator lets you know exactly how much chemical to use for your film or paper processing.
20231019 - 1.2.0 - Added ability to specify 3 parts.
20231017 - 1.1.0 - Add concentration reduction.
20231017 - 1.0.0 - Initial version.
Initial version created saturday 9 september 2023.
Updated friday 20 october 2023 at 5:35pm.
Read time ~- minutes.
Concentration dilution calculationThe most common notation for the concentration of a photographic chemical product to be diluted is P1+P2 or P1:P2. P1 refers to the chemical, usually noted as 1 (for 1 part), and P2 to the water needed to make up the expected final volume. In the case of 3 parts P1+P2+P3, P3 would be water, for example.
Part 3 (facultative)
of product for of water. Final concentration is %.
of product 1 (concentration %), of product 2 (concentration %), for of water.
Calculating volumes to arrive at a concentrationSome photographic products are sold with an initial concentration and need to be diluted to obtain a certain final concentration. These concentrations are most often noted as percentages.
% initial product concentration
% final solution concentration
Use of product.
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