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Lease Break Fee Calculator

Estimate the true cost of breaking a lease early: the contractual break fee (typically 2 months' rent), any lost rent during re-letting, and whether your security deposit is at risk.

Monthly rent

Months remaining on lease

Break fee (months of rent)

Most leases = 2x rent

Forfeit security deposit?

Security deposit at risk

Days until unit re-let (mitigation)

Realistic break cost

$5,250

with landlord mitigation

Contractual break fee

$4,200

Rent loss during vacancy

$2,100

Security deposit at risk

Worst case (no mitigation)

$10,500

How the math works

Lease break fees typically equal 1-3 months' rent, per the lease's liquidated damages clause. Most states require landlords to mitigate damages by re-renting promptly — so tenants don't owe rent for months after the unit is back on the market. Formula: break fee + vacancy loss (prorated share) + any forfeited deposit.

California, New York, Oregon, and many others mandate landlord mitigation. Some military tenants (SCRA) can break leases with 30 days' notice at zero penalty. Job relocations may qualify for employer-paid break fees. Document the break in writing and request final accounting within 30 days.

Editorial noteMaintained by EveryCalc - Reviewed June 2026

EveryCalc calculators are designed for fast, practical estimates with transparent inputs and no required account. We use plain formulas, visible assumptions, and related tools so visitors can check the result from more than one angle.

Results are informational only. For financial, tax, legal, medical, construction, or other high-impact decisions, verify the output against primary sources or a qualified professional.

Learn more about our review process on the EveryCalc methodology page.

How this calculator works

What this page estimates

This Lease Break Fee Calculator is built to give a quick, browser-based estimate for lease break fee. Estimate the true cost of breaking a lease early: the contractual break fee (typically 2 months' rent), any lost rent during re-letting, and whether your security deposit is at risk. The inputs stay on the page during normal use, and the result should be treated as an estimate for planning, comparison, or education rather than professional advice.

Calculation approach

The calculator applies the standard relationship implied by the inputs, then formats the answer so it can be checked and reused. For finance tools, the most important step is using consistent units, rates, time periods, and assumptions before comparing the result with another calculator or outside quote.

Example workflow

For example, start with a realistic value you already know, change one input at a time, and watch how the answer moves. That makes it easier to tell whether the result is being driven by the main amount, the rate, the time period, or a unit conversion.

Practical checks

Use current, real-world numbers when the result affects money, health, tax, or legal decisions.
Run a low, base, and high case when the inputs are estimates.
Check the related calculators below when the next decision depends on a different assumption.

How to interpret the lease break fee result

Best use

Use the result as a planning number for comparing payments, rates, returns, tax reserves, or cash-flow choices before you request a quote or make a commitment.

Cross-check

Compare the answer with the contract, lender estimate, tax form, brokerage statement, payroll record, or invoice that will control the real-world outcome.

Watch for

Do not rely on a single optimistic rate, return, or fee assumption. Money pages work best when you run low, base, and high cases and keep professional advice separate from the estimate.

This page belongs to the Finance calculator library, so the answer should be read in the context of the decision you are modeling rather than as a universal rule.

Before relying on this lease break fee estimate

Most calculator mistakes come from the inputs, not the arithmetic. Use this short audit before you reuse the answer in a spreadsheet, quote, application, or important conversation.

Confirm source numbers

Match balances, rates, fees, taxes, income, and payment dates against the lender quote, payroll record, tax form, statement, invoice, or contract.

Separate cash flow from total cost

A lower monthly payment can still cost more over time if fees, interest, taxes, or a longer term are hidden in the structure.

Run conservative cases

Test at least one higher-cost or lower-return case before using the output for a purchase, refinance, investment, loan, or tax decision.

Rerun this page when the rate, price, term, fee, tax rule, income, expense, or expected holding period changes.

How to Use

Enter your current monthly rent.
Set how many months are remaining on the lease.
Enter the break fee (usually 2 months rent) from your lease.
Indicate whether your deposit is at risk and its amount.
Estimate how long it will take the landlord to re-let the unit.

Frequently Asked Questions

What's the typical lease break fee?

Most residential leases charge 2 months' rent as liquidated damages for early termination. Some luxury or corporate units charge 3 months. Fees under 1 month are rare.

Do I owe all remaining rent if I break?

Usually no. Most states require landlord mitigation — the landlord must try to re-rent promptly. You owe rent only until a new tenant is placed, minus a break fee.

Is SCRA (military) break fee-free?

Yes. Servicemembers Civil Relief Act allows active-duty military to terminate leases with 30 days' notice after receiving orders, with no break fee. Paperwork is required.

Can I negotiate a lower break fee?

Often yes, especially if the rental market is tight. Offer to find a replacement tenant, pay a lump sum equal to 1 month, or give 60+ days notice. Landlords often prefer cash and certainty.