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Home, Property & Mortgages

Rental Deposit Calculator

Total the cash needed to move into a rental: security deposit, first and last month’s rent, pet deposit and fees.

Your inputs

Many places cap deposits by law — check local rules.

Results

Total due before moving in

$4,100.00

Security deposit
$2,250.00
Refundable portion (deposit + pet deposit)
$2,550.00

✓Exact calculation — rounded only for display

Inputs are never added to links for financial, salary or health calculators.

What this calculator does

Moving into a rental often requires several months’ worth of rent up front. This tool adds it all up so you can plan.

Formula and method

Move-in cash = rent × deposit months + first month (if due) + last month (if due) + pet deposit + fees

Worked example

Calculated by this tool with its default inputs:

Inputs

  • Monthly rent: 1500 (any currency)
  • Security deposit (months of rent): 1.5
  • First month’s rent due at signing: Yes
  • Last month’s rent due at signing: No
  • Pet deposit: 300 (any currency)
  • Application / agency fees: 50 (any currency)

Results

  • Total due before moving in: 4,100
  • Security deposit: 2,250
  • Refundable portion (deposit + pet deposit): 2,550

How to read the results

The refundable portion should be returned at the end of the tenancy, minus lawful deductions.

Assumptions and limitations

  • Many jurisdictions cap deposits or ban certain fees — check local tenancy law.

Financial results are estimates based on the inputs and assumptions shown. They are not financial advice; confirm figures with your lender, provider or a qualified adviser before making decisions.

Questions

Is the deposit refundable?

Generally yes, subject to the lease and local law on deductions for damage or unpaid rent.

Methodology and verification

Result type
Exact mathematical calculation (rounded only for display)
Formula version
1.0
Automated verification
3 reference and validation test cases, checked against independently computed values. The site cannot be built if any of them fail.
Editorial review
Awaiting human editorial review. The explanation was drafted with AI assistance; the formula and examples are verified by the automated tests above.

Privacy

Everything you enter is calculated in this browser and is not sent to Numerith or anyone else. Because this calculator can involve personal financial or health details, your inputs are never added to share links or saved to history. Privacy policy