Select a compounding (Alligation) Calculator  ©GlobalRPh Inc
The calculators below use both the alligation and algebraic method for determining the final result.
This document Copyright © 2003 D.McAuley, GlobalRPh Inc. All Rights Reserved.

To see sample questions that can be answered using 
these calculators, look HERE.

Working with solutions, liquids etc   |    Working with Creams and ointments
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Working with solutions, liquids etc         TOP
Units for solutionse.g. percent, mg/ml, gram/ml or whatever.
Name of lower solutione.g. D5W or Normal saline
Lower concentration (starting solution)percent (e.g. if using D5W, enter 
5.0 without the % sign)
Volume of lower concentration solution
or enter the desired final volume:
ml
Name of higher solutione.g. D5W, NS, D50 syringe etc
Higher concentration (second solution)percent, mg/ml, gram/ml etc. (e.g. if 
using D50 syringe, enter 50 - not 50%
Desired concentrationpercent, mg/ml, gram/ml or whatever.
 
Working with Creams and ointments       TOP
Units of measure for cream/ointe.g. mg, grams, mcg etc.
Name of lower conc cream/ointe.g. hydrocortisone 1% or use abbreviation: HC_1%
Lower concentration -percent
(First preparation)
(e.g. if using Hydrocortisone 1%, enter 1.0 without the % sign)
Weight of lower concentration cream/ointment or enter the desired  final weight:
mg, grams, etc. (enter numbers only-- e.g. 30, not 30 grams).
Name of higher concentration preparation.e.g. Coal tar 5%, ketoconazole 2%, etc.
Higher concentration - percent (Second preparation)(e.g. if using Hydrocortisone 2.5%, enter 2.5 without the % sign)
Desired final concentrationpercent (enter numbers only - e.g. 5.0,  not 5.0%)