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How to Use Rental Property Calculator: Cash on Cash, Cap Rate and Cash Flow Online for Free: Step-by-Step Guide

Analyze a rental property: NOI, cap rate, cash flow, cash-on-cash return, DSCR and the 1% rule. Free, private and no sign-up.

Saizul Amin
Saizul Amin17 Oct 2026 · Updated 22 Oct 2026 · 4 min read
How to Use Rental Property Calculator: Cash on Cash, Cap Rate and Cash Flow Online for Free: Step-by-Step Guide

How to Use Rental Property Calculator: Cash on Cash, Cap Rate and Cash Flow Online for Free

Analyze a rental property: NOI, cap rate, cash flow, cash-on-cash return, DSCR and the 1% rule. This guide shows what Rental Property Calculator: Cash on Cash, Cap Rate and Cash Flow does, how to use it step by step, what to watch out for, and which related tools on shobfree.com can help next.

Quick answer

Open Rental Property Calculator: Cash on Cash, Cap Rate and Cash Flow, type your numbers or pick the options you need, check the result that appears, and then use it. Rental Property Calculator: Cash on Cash, Cap Rate and Cash Flow is free, needs no account and runs in your browser, so what you type or add stays on your device.

What Rental Property Calculator: Cash on Cash, Cap Rate and Cash Flow does

  • Analyze a rental property: NOI, cap rate, cash flow, cash-on-cash return, DSCR and the 1% rule.
  • Enter the price, down payment, loan terms, closing and rehab costs, monthly rent, vacancy and your yearly operating costs.
  • The calculator shows net operating income, cap rate, debt service, annual cash flow, cash-on-cash return, DSCR, the 1% rule and the gross rent multiplier.

Enter the price, down payment, loan terms, closing and rehab costs, monthly rent, vacancy and your yearly operating costs. The calculator shows net operating income, cap rate, debt service, annual cash flow, cash-on-cash return, DSCR, the 1% rule and the gross rent multiplier.

How to use Rental Property Calculator: Cash on Cash, Cap Rate and Cash Flow, step by step

  1. Fill in the boxes. Type your numbers or pick the options you need.
  2. See the result. The answer updates right away as you change a value.
  3. Use it. Copy the result or note it down. Nothing is sent anywhere.

These three steps are the same on a phone and on a computer. If something looks wrong, change one setting and look at the result again; Rental Property Calculator: Cash on Cash, Cap Rate and Cash Flow updates as you go.

A worked example

A $300,000 property with 20% down at 6.75% and $2,600 of rent: $69,000 of cash invested, NOI $19,898 (cap rate 6.63%), mortgage payments $18,680 a year, cash flow $1,218 a year, a cash-on-cash return of 1.77% and a DSCR of 1.07. Rent is 0.87% of the price, below the 1% rule.

Tips for a good result

  • Double-check the units and the currency or period before you trust a number.
  • Treat the result as an estimate and confirm important figures with the official source.
  • Run a best case and a worst case, then keep both numbers for your planning.
  • Change one value at a time, so you can see which input moves the result.

Who is this for?

Rental Property Calculator: Cash on Cash, Cap Rate and Cash Flow is useful for anyone who needs analyze a rental property: NOI, cap rate, cash flow, cash-on-cash return, DSCR and the 1% rule without installing software or paying for a subscription. Students, freelancers, office staff and small-business owners use tools like this for quick, one-off jobs where a full application would be too much.

Frequently asked questions

What is a good cash-on-cash return?

Investors often look for 8% to 12%, but it depends on the market, the risk and the alternatives.

Does it include appreciation?

No. It shows income only; price changes and loan paydown are extra.

How do I choose the maintenance percentage?

5% to 10% of rent is common; older properties need more.

Is the cap rate affected by the loan?

No. Cap rate ignores financing; cash-on-cash and DSCR include it.

Do I need to create an account to use Rental Property Calculator: Cash on Cash, Cap Rate and Cash Flow?

No. Open the page and start. There is no sign-up, no email and no payment.

Can I use Rental Property Calculator: Cash on Cash, Cap Rate and Cash Flow on my phone?

Yes. The page adapts to small screens, and everything runs in your phone's browser, so the same steps work on a laptop or a phone.

Privacy

Rental Property Calculator: Cash on Cash, Cap Rate and Cash Flow works inside your browser. Your files, text and numbers are not uploaded to a server, and there is nothing to delete afterwards.

Completely freeNo cost, no sign-up
Files stay privateEverything runs in your browser
Easy in your languageAvailable in many languages