Rental Vacancy Loss Calculator
Effective gross income after vacancy allowance.
Enter your values
Enter the monthly potential rent in $.
Enter the number of units you are working with.
Enter the vacancy rate in %.
Results update instantly as you type — no submit needed. Your values are remembered on this device, and the shareable link reopens the calculator with exactly these numbers.
- Potential annual rent
- $24,000.00
- Vacancy loss
- $1,680.00
- Effective gross income
- $22,320.00
- Effective monthly income
- $1,860.00
Quick answer
Effective gross income is potential rent reduced by an expected vacancy and credit loss rate, typically 5-10% depending on the market.
EGI = potential rent x (1 - vacancy rate)
At a glance
| What it does | Effective gross income after vacancy allowance. |
|---|---|
| Category | Real Estate |
| Inputs needed | Monthly potential rent, Number of units, Vacancy rate |
| Main output | Potential annual rent |
| Formula | EGI = potential rent x (1 - vacancy rate) |
| Cost | Free — no sign-up, no download |
How to use the Rental Vacancy Loss Calculator
- 1Enter monthly rent per unit and the number of units.
- 2Enter a realistic vacancy rate for your market (check comparable properties).
- 3Use the effective gross income figure in your cap rate or cash flow analysis.
Inputs explained
- Monthly potential rent($)
- Enter the monthly potential rent in $.
- Number of units
- Enter the number of units you are working with.
- Vacancy rate(%)
- Enter the vacancy rate in %.
Worked example
Using the values the calculator loads with:
Inputs
- Monthly potential rent2000 $
- Number of units1
- Vacancy rate7 %
Results
- Potential annual rent$24,000.00
- Vacancy loss$1,680.00
- Effective gross income$22,320.00
- Effective monthly income$1,860.00
Frequently asked questions
What's a typical vacancy rate?
Often 5-10% in stable markets, but can be higher in seasonal or oversupplied areas.
Does this include bad debt?
You can bundle a credit loss allowance into the same vacancy rate for underwriting purposes.
What do I need to enter into the Rental Vacancy Loss Calculator?
Just 3 values: monthly potential rent, number of units, vacancy rate. Every field starts with a realistic example, so you can change one number at a time and watch the result update instantly.
How does the Rental Vacancy Loss Calculator work out the answer?
Effective gross income is potential rent reduced by an expected vacancy and credit loss rate, typically 5-10% depending on the market. It applies the formula EGI = potential rent x (1 - vacancy rate) and shows the working so you can check each step by hand.
Is the Rental Vacancy Loss Calculator free, and do I need an account?
It is completely free with no sign-up, no download and no usage limit. Everything is calculated in your browser, so the numbers you type never leave your device.
Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.