Cap Rate Calculator

What the cap rate really tells you

The capitalisation rate is the first number most property investors reach for. It answers a simple question: if you bought this property outright, in cash, what annual return would its income produce? By dividing a property’s net operating income by its price, the cap rate strips away financing and personal circumstances to reveal the asset’s own earning power. That makes it the common language investors, agents and lenders use to compare very different buildings.

The key ingredient is net operating income — and getting it right is where most mistakes happen. NOI is your gross annual rent minus the real costs of running the property: municipal tax, insurance, maintenance, management fees and an honest allowance for vacancy. It does not subtract your home-loan payments or income tax, because those depend on how you financed the deal and your own tax position, not on the property itself.

Reading the number

Cap rates vary widely by asset type and location. In Indian metros, residential flats often yield a slim 2–4%, because buyers price in expected appreciation. Commercial and retail space can command 7–10%, reflecting higher income but also greater risk and management effort. A higher cap rate is not automatically better — it frequently signals a less prime location, an ageing building or softer demand. The skill lies in judging whether the extra yield fairly compensates for the extra risk.

Cap rate as a valuation shortcut

Because the formula is just income over price, you can flip it around to value a property. If comparable buildings in an area trade at a 6% cap rate and the property you are eyeing earns ₹6,00,000 a year in NOI, a fair price is roughly ₹1 crore. Investors use this constantly to sanity-check asking prices and to spot deals where the income does not justify the sticker.

Its blind spots

For all its usefulness, the cap rate has clear limits. It captures income return only, ignoring the capital appreciation that often drives the bulk of real-estate gains in fast-growing Indian cities. It also ignores financing, so two investors buying the same property with different loans see the same cap rate but very different cash returns. Use the cap rate to screen and compare, then layer in appreciation, financing and tax to build the full picture before committing.