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📏 Lease Tool

Rent Per Square Foot Calculator

Convert between total rent and per-square-foot rates. Compare lease rates across properties and calculate total annual occupancy cost for commercial spaces.

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Rent Per Sq Ft Calculator

Convert and compare commercial lease rates

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For multi-tenant comparison
Rent Per Square Foot (Annual)
Monthly PSF
Annual Rent
Cost Per Unit
per month
Sq Ft Per Unit

Looking for commercial space financing?We help tenants-turned-owners buy their own building with CRE loans.

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Understanding Rent Per Square Foot

The standard metric for comparing commercial lease rates.

Annual vs Monthly PSF

Commercial leases are typically quoted as annual rent per square foot. A $30/SF annual rate = $2.50/SF monthly. Always clarify whether a quoted rate is annual or monthly. Office and retail leases use annual PSF; some residential and industrial markets quote monthly.

NNN vs Gross vs Modified

NNN (Triple Net): Tenant pays base rent + taxes + insurance + maintenance. Gross: Landlord covers all expenses. Modified Gross: Split between both. A $25 NNN lease might cost $35–$40 all-in, while a $35 gross lease includes everything. Always compare on an all-in basis.

Rentable vs Usable SF

Rentable SF includes your space plus a share of common areas (lobbies, hallways). Usable SF is your actual space. The load factor (rentable ÷ usable) is typically 1.10–1.20x. A 2,000 usable SF office might be 2,300 rentable SF. You pay rent on rentable SF.

When to Buy vs Lease

If your rent PSF exceeds the mortgage payment PSF on a comparable building, ownership may be smarter. Many businesses discover they can own for the same or less than they lease — plus build equity. Our advisors model the buy-vs-lease comparison for free.

Frequently Asked Questions

Common questions about commercial rent rates.

Compare Rates. Find Your Space.

Whether leasing or buying, our advisors help you make the best real estate decision for your business.

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CRE CALCULATORS

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Our 6 commitments to every borrower

Other lenders make promises.
We put them in writing.

Every commitment below exists because real borrowers got burned without it. We built BestLoanUSA to be the lender we wished existed.

$0
Hidden Fees
No surprise charges at closing. Every cost disclosed upfront in writing before you commit.
48hr
Pre-Qualification
Know where you stand within one business day — not weeks or months of silence.
1
Dedicated Advisor
One point of contact from application to closing. No handoffs, no ghosting, no runaround.
Day 1
Complete Checklist
Full document requirements on your first call. No mid-process surprises asking for "one more thing."
100%
Upfront Pricing
The rate and terms you're quoted are the rate and terms you close on. Period.
5 min
Application
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Why borrowers switch to us

Five things your last lender should have done.

Borrowers don't come to us because lending is complicated. They come because someone else made it harder than it needed to be.

  1. 1
    48 hours to clarity. You'll know exactly where you stand — not wonder for months.
  2. 2
    Every dollar in writing. The rate and fees you see on day one are the ones you sign at closing.
  3. 3
    One advisor, start to finish. No handoffs. No vanishing acts. One person who knows your deal.
  4. 4
    Full checklist, first call. Every document listed upfront. No mid-process surprises.
  5. 5
    We earn when you close. No upfront fees. Our only incentive is your funded deal.
“I’ve spent over a decade watching good borrowers lose money to a broken process. BestLoanUSA exists so that stops happening.”
JK
Jason Kim
Managing Director, Commercial Lending
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