Rental Property Calculator

Estimate monthly cash flow, cap rate and cash-on-cash return for a rental property.

What this calculator does

This calculator sizes up a rental investment. Enter the price, down payment, loan terms, rent and expenses, and it returns the mortgage payment, monthly cash flow, cap rate and cash-on-cash return.

These are the headline numbers real-estate investors screen deals with.

Getting your answer

  1. Enter price, down payment and loan terms.
  2. Enter monthly rent and expenses.
  3. Read cash flow, cap rate and cash-on-cash.

The calculation

cash flow = rent − expenses − mortgage cap rate = annual NOI ÷ price · CoC = annual cash flow ÷ cash invested

The default scenario, worked through

On the values this calculator opens with, the monthly cash flow is $352.56. Underneath, Mortgage payment comes out at $1,247.44 and Cap rate at 7.68%. Change any field and every figure updates as you type.

Frequently asked questions

What is cap rate?
Net operating income divided by price — the unleveraged yield of the property, useful for comparing deals.
What is cash-on-cash return?
Annual cash flow divided by the cash you invested (down payment), showing the return on your actual outlay.
Does this include vacancy and repairs?
Only if you include them in expenses. Good analysis budgets for vacancy, maintenance and capital costs. This is an estimate, not advice.