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Consumption cost variance calculator

Value the change in consumption at the budget price to isolate the quantity contribution to cost variance.

Vquantity=(Qactual−Qbudget)×pbudgetV_{\text{quantity}} = \left(Q_{\text{actual}} - Q_{\text{budget}}\right) \times p_{\text{budget}}

Calculator

Enter the values you know and leave one box empty. Calculate finds the empty one, the result or any input.

purchase unit
purchase unit
$/purchase unit
$

Worked example

Given

  • QactualQ_{\text{actual}} = 8,600 purchase unit
  • QbudgetQ_{\text{budget}} = 8,000 purchase unit
  • pbudgetp_{\text{budget}} = 1.1 $/purchase unit
Vquantity=(8600−8000)×1.1=660V_{\text{quantity}} = \left(8600 - 8000\right) \times 1.1 = 660

Symbols and units

SymbolMeaningUnit
VquantityV_{\text{quantity}}cost effect of quantity change$
QactualQ_{\text{actual}}actual quantitypurchase unit
QbudgetQ_{\text{budget}}budget quantitypurchase unit
pbudgetp_{\text{budget}}budget unit price$/purchase unit

Related calculators

Results are estimates for study and screening. Check the inputs, units and assumptions before you use them for design, billing or contract decisions.