MossMeter calculator guide

Rental Yield vs. Cap Rate

Both measures express income as a percentage of a property’s price, but they use different income figures. Rental yield can show gross rent and rent after entered costs; cap rate uses annual net operating income (NOI).

01
Featured for rent-focused questions

Rental yield

Annual rent as a percentage of purchase price, shown before costs (gross) or after entered annual operating costs (net).

Calculate rental yield
02
For NOI-focused questions

Cap rate

Annual net operating income after operating expenses as a percentage of property price.

Calculate cap rate

What each percentage represents

Income measure

This is the key distinction between the two results.

Rental yield
Annual rent, before costs for gross yield or after entered costs for net yield.
Cap rate
Annual net operating income (NOI) after operating expenses.

Price used

Rental yield
Purchase price
Cap rate
Property price

Question it answers

Rental yield
How does annual rent compare with the purchase price, before or after the costs entered?
Cap rate
How does annual NOI compare with the property price?

Formulas and required inputs

Gross rental yield formula

Rental yield
(monthly rent × 12 ÷ purchase price) × 100
Cap rate
Not used for cap rate

Net rental yield formula

Rental yield
((monthly rent × 12 − annual operating costs) ÷ purchase price) × 100
Cap rate
Not used for cap rate

Cap rate formula

Rental yield
Not used for rental yield
Cap rate
(annual NOI ÷ property price) × 100

Required inputs

Rental yield
Purchase price, monthly rent and annual operating costs
Cap rate
Property price and annual NOI
Choose the calculator for your question
Use rental yield for gross or net rent relative to purchase price, and cap rate for annual NOI relative to property price.