Net effective rent calculator

Effective monthly rent = (total contracted rent − concessions) ÷ lease months.

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Total contracted rent

Total concessions

More inputs and assumptions

Lease months

Answer

…

Effective monthly rent = (total contracted rent − concessions) ÷ lease months.

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Precision and calculation record

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Rounding changes displayed numbers, not the calculation. Text, fractions, matrices and CSV schedules keep their own formatting. Automatic keeps up to 12 significant digits, with money shown to cents where applicable.

Step-by-step calculation

Inputs are substituted below. Each line evaluates the next operation; intermediate values are displayed to 12 significant digits while the calculation uses full precision.

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Formula and assumptions

This averages stated concessions across the lease. It does not change the payment due each month or include deposits, utilities or fees.

Automatic precision shows money to two decimal places and other numbers to 12 significant digits. Thousands separators such as 1,000 are accepted; use a dot for decimals.

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Updated 2026-09-26

Using Net effective rent calculator

Effective monthly rent = (total contracted rent − concessions) ÷ lease months.

This averages stated concessions across the lease. It does not change the payment due each month or include deposits, utilities or fees.

Next: Gross rent multiplier calculator

A worked example

With total contracted rent = 24000, total concessions = 2000, lease months = 12, the effective rent per month is 1,833.33 (rounded to two decimal places).

Next: Price per square foot calculator

Before you use the result

This averages stated concessions across the lease. It does not change the payment due each month or include deposits, utilities or fees. Calculations keep full browser-number precision. Money amounts are displayed to two decimal places; other results use up to 12 significant digits. Very large values may lose precision.

Example results for total contracted rent

These examples use Total concessions: 2000; Lease months: 12. They are reference calculations, not recommended settings.

Total contracted rent	Effective rent per month
12000	833.33
24000	1,833.33
48000	3,833.33

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