Security Deposit Calculator
Last updated: July 2026
Estimate move-in deposit requirements from rent, deposit multiplier, pet deposit and fees.
Estimated move-in deposits and fees
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- Refundable deposits: —
- Nonrefundable fees: —
- Deposit as months of rent: —
On this page
Quick summary: Estimate move-in deposit requirements from rent, deposit multiplier, pet deposit and fees.
Read the complete guide
What this calculator estimates
Estimate move-in deposit requirements from rent, deposit multiplier, pet deposit and fees. The calculation runs locally in your browser and is intended for planning and comparison.
How to use it
Enter the requested values, select Calculate, review the headline result and supporting figures, then change one input at a time to compare another scenario.
How the calculation works
Refundable deposits equal rent times the entered multiplier plus pet and other deposits. Nonrefundable fees are added separately.
Input checklist
The Security Deposit Calculator uses the values shown in its form. Before calculating, check each input independently so an incorrect unit or time period does not carry through to the final result.
- Monthly rent ($): verify that this value uses the unit, period, and definition shown by the calculator.
- Security-deposit months: verify that this value uses the unit, period, and definition shown by the calculator.
- Pet deposit ($): verify that this value uses the unit, period, and definition shown by the calculator.
- Other refundable deposits ($): verify that this value uses the unit, period, and definition shown by the calculator.
- Nonrefundable move-in fees ($): verify that this value uses the unit, period, and definition shown by the calculator.
Practical interpretation
Use the Security Deposit Calculator result as the answer to the specific inputs entered, not as a universal value. The calculation currently described on this page is: Refundable deposits equal rent times the entered multiplier plus pet and other deposits. Nonrefundable fees are added separately. Change one important input at a time when comparing scenarios so you can see which assumption actually drives the difference.
Checks before relying on the result
The result depends on the values and units entered. Recheck the inputs and compare the estimate with the real-world source or rule that applies to your situation. Recalculate when a key value changes, and keep the original inputs with the result if you need to reproduce or compare the calculation later.
Important limitations
Deposit caps, interest and refund rules vary by state and local law.
Frequently asked questions
Is this result exact?
No. It is a planning estimate based on the values entered and the method described on the page.
Can I enter Arabic or Persian digits?
Yes. Arabic and Persian digits are normalized to English digits inside numeric fields.
Does the calculator store my inputs?
No. The calculation runs locally in your browser and does not require an account.