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Effective Rent Calculator (Free Rent Months)

Net effective rent after free months and landlord concessions — the number both sides actually negotiated.

$—
Net effective rent
—%
Concession discount

Formula

NER = [face×paid months/12 − extra TI] / term years

Landlords defend face rents (they set building valuation and comps) and concede in free rent and TI instead — concessions are invisible in headline comps. In soft markets effective rents run 10-20% under face; always negotiate and compare on NER.

References: CBRE/JLL — net effective rent methodology

Not financial advice — for informational and analytical use only. Verify all figures with a qualified professional before acting on them.

Need effective rent calculator results fast? Analysts, founders, traders and finance professionals use the Effective Rent Calculator to skip the spreadsheet and get a defensible answer in one step — free, private and instant.

About Effective Rent Calculator (Free Rent Months)

Net effective rent after free months and landlord concessions — the number both sides actually negotiated. Landlords defend face rents (they set building valuation and comps) and concede in free rent and TI instead — concessions are invisible in headline comps. In soft markets effective rents run 10-20% under face; always negotiate and compare on NER. The governing relationship is NER = [face×paid months/12 − extra TI] / term years. The Effective Rent Calculator computes entirely in your browser — free, private (your figures never leave your device) and instant, recalculating live as you change any input.

How to use Effective Rent Calculator (Free Rent Months)

  1. 1Enter Face rent (per sq ft/yr), Lease term (months), Free rent months, TI beyond standard (per sq ft) into the Effective Rent Calculator.
  2. 2The result is computed automatically using NER = [face×paid months/12 − extra TI] / term years — there is no button to press.
  3. 3Change any input to model a different scenario, then copy or share the result.

Why use Effective Rent Calculator (Free Rent Months)?

  • Computes effective rent calculator instantly with the correct formula — no spreadsheet needed
  • 100% free and unlimited, with no sign-up, login or paywall
  • Runs entirely in your browser, so the figures you enter stay private
  • Shows the formula, a live worked example and references so you can defend the number

Frequently asked questions

What is the formula behind the Effective Rent Calculator?+

Effective Rent Calculator uses NER = [face×paid months/12 − extra TI] / term years. Landlords defend face rents (they set building valuation and comps) and concede in free rent and TI instead — concessions are invisible in headline comps. The tool substitutes your actual inputs into this relationship and shows the worked example step by step.

What inputs does the Effective Rent Calculator need?+

Enter Face rent (per sq ft/yr), Lease term (months), Free rent months, TI beyond standard (per sq ft) and the result updates immediately — there is no button to press. Change any value to model a different scenario in real time.

Is the Effective Rent Calculator free, and is my data private?+

Yes — it is completely free with no sign-up or usage limit, and it runs entirely in your browser, so the numbers you enter are never uploaded or stored on any server. It is for informational and analytical use, not financial advice.

What should I watch out for when using the Effective Rent Calculator?+

In soft markets effective rents run 10-20% under face; always negotiate and compare on NER.

What is the Effective Rent Calculator based on?+

The method follows authoritative sources: CBRE/JLL — net effective rent methodology. The formula and references are shown on the page so you can verify and cite the result.

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