Direct material usage variance
Encyclopedia
In variance analysis direct material usage (efficiency, quantity) variance is the difference between the standard quantity of materials that should have been used for the number of units actually produced, and the actual quantity of materials used, valued at the standard cost per unit of material. It is one of the two components (the other is direct material price variance
Direct material price variance
In variance analysis direct material price variance is the difference between the standard cost and the actual cost for the actual quantity of material used or purchased...

) of direct material total variance
Direct material total variance
In variance analysis direct material total variance is the difference between the actual cost of actual number of units produced and its budgeted cost in terms of material...

.

Example

Let us assume that standard direct material cost of widget
Widget (economics)
The word widget is a placeholder name for an object or, more specifically, a mechanical or other manufactured device. It is an abstract unit of production. The Oxford English Dictionary defines it as "An indefinite name for a gadget or mechanical contrivance, esp. a small manufactured item" and...

 is as follows:
2 kg of unobtainium
Unobtainium
In engineering, fiction, and thought experiments, unobtainium is any extremely rare, costly, or impossible material, or device needed to fulfill a given design for a given application. The properties of any particular unobtainium depend on the intended use...

 at € 60 per kg ( = € 120 per unit).

Let us assume further that during given period, 100 widgets were manufactured, using 212 kg of unobtainium
Unobtainium
In engineering, fiction, and thought experiments, unobtainium is any extremely rare, costly, or impossible material, or device needed to fulfill a given design for a given application. The properties of any particular unobtainium depend on the intended use...

 which cost € 13,144.

Under those assumptions direct material usage variance can be calculated as:

Direct material usage variance can be reconciled to direct material total variance
Direct material total variance
In variance analysis direct material total variance is the difference between the actual cost of actual number of units produced and its budgeted cost in terms of material...

 by way of direct material price variance
Direct material price variance
In variance analysis direct material price variance is the difference between the standard cost and the actual cost for the actual quantity of material used or purchased...

:

See direct material total variance#Example and direct material price variance#Example for computations of both components.
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