Subletting Savings Calculator

About the Subletting Savings Calculator

Subletting is often a smarter alternative to breaking a lease when you need to move before your lease expires. Instead of paying a hefty early termination fee, you find a subtenant who pays rent for the remaining months. Your savings equal the rent covered by the subtenant minus any subletting fees and gap costs.

This calculator helps you estimate the financial benefit of subletting versus simply breaking your lease. It accounts for the subletting processing fee charged by your landlord, any gap period between your move-out and the subtenant's move-in, and the risk of the subtenant defaulting.

Use This calculator to compare your two options side by side and make the financially optimal choice. Remember that subletting requires landlord approval in most jurisdictions and may come with specific conditions.

Homebuyers, investors, and real-estate professionals all benefit from precise subletting savings figures when evaluating properties, negotiating deals, or planning long-term investment strategies. Save this calculator and revisit it whenever market conditions or your financial situation changes.

When This Page Helps

Subletting can save thousands compared to lease break fees, but only if you understand the true numbers. This calculator factors in realistic costs like gap periods and fees to give you an honest comparison.

How to Use the Inputs

1. Enter your monthly rent and the number of months to sublet.
2. Enter any subletting fee charged by the landlord.
3. Estimate the gap period (weeks or months between your move-out and subtenant move-in).
4. Optionally enter a risk-adjusted loss amount for potential subtenant default.
5. View the total savings compared to paying rent yourself for those months.

Example Calculation

Tips & Best Practices

• Always get written landlord approval before subletting — unauthorized sublets can lead to eviction.
• Screen your subtenant carefully; you're typically still liable for rent if they default.
• Price the sublet at or slightly below market to minimize gap time.
• Include a security deposit from the subtenant to protect against damage.
• Check your lease for subletting restrictions, fees, and required notice periods.
• Document the unit's condition with dated photos before handing keys to the subtenant.

When Subletting Makes Sense

Subletting is ideal when you need to leave temporarily (e.g., summer internship, extended travel) or when breaking the lease would cost more than the gap and fees associated with subletting. It keeps your options open to return to the same apartment.

Finding a Subtenant

List on platforms like SpareRoom, Craigslist, Facebook Marketplace, or your building's community board. Include clear photos, rent amount, available dates, and any restrictions. Respond quickly to inquiries and schedule in-person tours.

Protecting Yourself

Create a written sublease agreement covering rent amount, payment dates, security deposit, house rules, and move-in/move-out procedures. Even though a sublease is secondary to the main lease, having one protects both parties.

Frequently Asked Questions

• What is the difference between subletting and assigning a lease?

  Subletting means you remain on the original lease and a subtenant pays rent to you or the landlord for part of the term. Assignment transfers the entire lease to a new tenant, releasing you from future obligations. Assignment is cleaner but harder to arrange.

• Can my landlord refuse a sublet request?

  It depends on your lease and local laws. Many leases allow subletting with landlord consent, which cannot be unreasonably withheld. Some jurisdictions require landlords to allow sublets if the proposed subtenant meets screening criteria. Check your lease and local tenant laws.

• Am I still responsible for rent if my subtenant doesn't pay?

  Yes, in most sublet arrangements. The original lease between you and the landlord remains in force. If the subtenant stops paying, you're still legally obligated to cover the rent. This is why screening and a subtenant security deposit are important.

• How much can I charge a subtenant?

  Typically the same as your rent or less. Some jurisdictions prohibit charging more than your rent (profit-taking). Charging slightly below market rate helps fill the sublet faster and reduces gap costs.

• What fees do landlords charge for subletting?

  Common fees range from $100 to $500 for processing the sublet application. Some landlords charge the subtenant an additional security deposit. These fees are usually non-negotiable and specified in your lease or building policy.

• Is subletting or lease breaking better financially?

  It depends on the numbers. Subletting is usually cheaper because you avoid the termination fee and only lose money during the gap period. However, if your lease break penalty is small and the sublet period is long, breaking might be simpler. Use this calculator to compare.