Write concentrate-to-diluent parts and the concentrate fraction.
| Ratio | – |
| Concentrate fraction | – |
Use this calculator when you measured stock and diluent and want the ratio written as 10 : 90 plus the concentrate fraction.
The calculation is ratio = concentrate : diluent using those amounts, and fraction = concentrate / (concentrate + diluent). Use the same unit in both boxes, millilitres or grams; the numbers are treated as parts, not converted.
This is a parts ratio only. It does not compute C1V1 volumes or a serial-dilution factor; use Dilution for that.
Concentrate parts: Volume or mass of the concentrated reagent, for example 10 mL.
Diluent parts: Volume or mass of water or diluent, for example 90 mL.
Ratio: Concentrate to diluent as entered, for example 10 : 90.
Concentrate fraction: Concentrate divided by the total, 0.1 for a 10 + 90 mix.
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