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Rental income variance calculator

Subtract budgeted rent from actual rent to see a simple period variance.
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The short answer
How it works
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Make the result useful
Questions landlords ask
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Rental income variance calculator
Plan cash & accounting
Last updated: July 2026
1. Enter budget, actual, or balance values.
How it works
2. Review the arithmetic shown with the output.
How it works
3. Use the same reporting period for comparable inputs.
How it works
4. Does this replace accounting software?
Questions landlords ask
5. Does it explain why a variance occurred?
Questions landlords ask
Rental income variance calculator
Category
Plan cash & accounting
Last updated
July 2026
The assumptions that move this result
Budget
Planned income for the same period.
Actual
Collected or recognized income on the same basis.
The short answer
1. Enter budget, actual, or balance values.
Rental income variance equals actual rent minus budgeted rent. This calculator reports arithmetic from your inputs and does not explain causes or forecast results.
The short answer
Last updated: July 2026
Rental income variance equals actual rent minus budgeted rent. This calculator reports arithmetic from your inputs and does not explain causes or forecast results.
After the estimate:
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Rent variance calculator
Compare planned and actual rent.
Subtract the budget amount you enter from the actual amount to identify a simple period variance.
Budgeted rent
$
Actual rent
$
Input-driven result
Your inputs
Formula
Result below
Rent below budget
$500
$8,700 actual − $9,200 budget (-5.4%).
Estimate based on your inputs. Not a promise of results.
Period arithmetic only. It does not explain causes, classify transactions, or forecast future results.
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How it works

How this tool works.

Rental income variance calculator is a concise accounting worksheet using the values you enter.
Use the result as a period-level planning aid, not a forecast or accounting conclusion.
1
Enter budget, actual, or balance values.
2
Review the arithmetic shown with the output.
3
Use the same reporting period for comparable inputs.
Make the result useful

rental-income variance

This worksheet makes rental-income variance explicit from the exact figures you enter. Review the period and basis of every amount before comparing results.
Use a conservative scenario as well as the base scenario; the calculation describes assumptions rather than predicting behavior.

The assumptions that move this result

Budget
Planned income for the same period.
Actual
Collected or recognized income on the same basis.

Calculation lens

actual income − budgeted income
Read the result as a planning measure for the selected period.

Read the number in context

Worked scenario
$8,700 actual against $9,200 budget is −$500.
Edge case
A prepaid payment can distort one month if periods are mixed.
It does not explain the variance cause.
Formula
actual income − budgeted income
Questions landlords ask

Questions about this tool and its limits.

Does this replace accounting software?

No. It is a simple calculation aid, not a ledger or accounting system.

Does it explain why a variance occurred?

No. It reports the difference between the inputs you provide.

Before you act

Confirm every input uses the same time period.
Test a downside scenario before relying on the result.
Keep source records with the decision.
Editorial ownership
Written and maintained by the Aptoria editorial team
Editorial method reviewed July 28, 2026. Aptoria reviews scope, source fit, examples, limitations, links, and publication gates. This record does not claim attorney, CPA, lender, appraiser, or other independent professional sign-off.
How Aptoria researches and reviewsReport a correction
Built by a landlord who's done every one of these jobs by hand.
Aptoria was built by an owner-operator managing a Brooklyn portfolio — the 11pm calls, the awkward rent texts, the April receipt-pile — not by a software team guessing at the problem.
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