Budget Variance Calculator
Calculate Budget Variance step by step: Variance = actual − budget.
In short
Formula: Variance = actual − budget. For expenses, below budget is favourable; for revenue, above budget is favourable.
What this calculator does
Calculate Budget Variance step by step: Variance = actual − budget. Worked example, questions and limitations included.
Use it to turn Currency (symbol only, never converted), Line type, Budgeted amount, Actual amount into a checked result you can compare, copy, or rerun with different assumptions.
The page shows the formula, a numeric worked example, and the assumptions that affect this fp&a calculation.
Inputs and what they mean
- Currency (symbol only, never converted)
- — choice value.
- Line type
- — choice value.
- Budgeted amount
- — number value.
- Actual amount
- — number value.
How to use it
- Enter each value in the unit shown next to the box (use the unit converter first if your numbers are in other units).
- Check the breakdown to see every intermediate step.
- Read the limitations before relying on the result.
Formula
Static-budget variance as in OpenStax Principles of Managerial Accounting.
The favourable/unfavourable label depends on the line type you choose.
For volume-adjusted analysis, flex the budget first with the expense forecast calculator.
Variance = actual − budget. For expenses, below budget is favourable; for revenue, above budget is favourable.
Inputs used: Currency (symbol only, never converted), Line type, Budgeted amount, Actual amount.
Worked example
Marketing spend
- 55,000 − 50,000 = $5,000.
- Expense over budget → unfavourable, +10%.
Reading the result
The headline figure is the main answer. Any breakdown underneath shows the parts that make it up, so you can check the working and see what changes when you adjust an input.
Limitations and assumptions
- Static comparison — not volume-adjusted.
- One line at a time.
- Results are educational estimates built only from the figures you enter. They are not personalised investment, tax, legal or accounting advice. Rates, growth and discount assumptions are always yours to choose.
- The result depends on the values you enter for this budget variance calculator; it does not supply missing rates, rules, prices, dates, or assumptions for you.
Common questions
Why does the sign mean different things?
Spending more than planned hurts profit; earning more than planned helps it. Check the formula, example, and limitations on this page before using the result for a real fp&a decision.
Is a favourable variance always good?
Not necessarily — underspending can mean work was delayed. Check the formula, example, and limitations on this page before using the result for a real fp&a decision.
Project budgets?
Use the project budget variance calculator for earned-value style tracking. Check the formula, example, and limitations on this page before using the result for a real fp&a decision.
How do I use the Budget Variance Calculator?
Enter the required values for Currency (symbol only, never converted), Line type, Budgeted amount, Actual amount. The calculator applies the formula on this page and shows the main result with any supporting breakdown so you can check the arithmetic.
What formula does the Budget Variance Calculator use?
Variance = actual − budget. For expenses, below budget is favourable; for revenue, above budget is favourable. The visible formula section above lists the calculation path and the edge cases the page handles, so the result can be checked without relying on the form alone.
Can the Budget Variance Calculator be used for exact decisions?
Use it as a calculation aid, not as a substitute for checking the underlying rule, contract, policy, or professional advice that applies to your situation. When a result depends on local rules, personal details, prices, or dates, enter those values yourself and confirm them before acting.
Related tools
Calculate Revenue Forecast step by step: Revenueₙ = current revenue × (1 + growth rate)ⁿ.
Calculate Expense Forecast step by step: Forecast expenses = fixed costs + (variable % × forecast revenue) + one-off costs.
Calculate Headcount Cost step by step: Annual cost = employees × [salary × (1 + benefits % + employer taxes %) + other cost per head].
Calculate Cash Flow step by step: Closing cash = opening cash + inflows − outflows.
Calculate Burn Rate step by step: Net burn = (cash at start − cash at end) ÷ months.