ClueLuma

Percent budget variance calculator

Express actual-minus-budget use as a percentage of budget; the budget is the reference denominator.

Variance %=100×(Actual−Budget)Budget\text{Variance \%} = \frac{100 \times \left(\text{Actual} - \text{Budget}\right)}{\text{Budget}}

Calculator

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

energy unit
same energy unit
%

Worked example

Given

  • Actual\text{Actual} = 91,000 energy unit
  • Budget\text{Budget} = 100,000 same energy unit
Variance %=100×(91,000−100,000)100,000=−9\text{Variance \%} = \frac{100 \times \left(91{,}000 - 100{,}000\right)}{100{,}000} = -9

Symbols and units

SymbolMeaningUnit
Variance %\text{Variance \%}percentage deviation%
Actual\text{Actual}actual useenergy unit
Budget\text{Budget}budget usesame energy unit

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