Budget Variance Tool

Measure dollar and percentage variance between a budget and actual spending.

Your inputsBuild a realistic scenario

Budgeted amount

Actual amount

Scenario referenceBusiness Planning decision model

Variance = Actual − Budget; Variance % = Variance ÷ Budget

Start with a conservative case, then test the upside separately.

Live estimateYour scenario

● Updates instantly

Dollar variance$1,600.00

Variance percentage16%

Actual amount$11,600.00

Decision tip

Record the assumption behind the result before comparing another option.

✓ Free to use✓ No account or saved data✓ Formula shown below

A quick workflow

Run a better scenario before you decide

Enter your current figures or scenario assumptions. Results update instantly, so you can compare a few realistic options and identify the input that actually changes the conclusion.

Set a baseline

Use a known current figure.

Change one driver

Keep the comparison clear.

Choose the next step

Use the evidence, not a guess.

Transparent calculation

The calculation used in this tool

CORE FORMULAVariance = Actual − Budget; Variance % = Variance ÷ Budget

For spending, a positive variance usually means overspend; for revenue, it can indicate outperformance. Label the metric clearly.

Practical use

Turn the scenario into a more confident plan

Compare practical options

Use the same baseline across two scenarios so the difference is easy to explain.

Set a decision threshold

Decide in advance what result would change the next action, budget or priority.

Document assumptions

Save the source figures and time period so you can revisit the scenario later.

Use with care

What this planning estimate does not include

This tool makes its assumptions visible, but it cannot replace the terms, local rules, tax treatment or operational data that apply to your situation. Confirm material decisions with the relevant source records or adviser.

Values are calculated in your browser. No account or data upload is required for this tool.

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Check the numbers behind this decision

Pair this scenario with a related calculator or planning tool before you commit.

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