The single most important number in buy-and-hold investing — how much are you earning on the cash you actually put in?
Fill in the deal details above and click Calculate to see your cash-on-cash return.
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Cap rate gets more attention in real estate media, but cap rate ignores how you financed the deal — it treats an all-cash buyer and a buyer with 25% down identically. Cash-on-cash return fixes that blind spot. It measures the return on the actual dollars you put at risk, which is the number that determines whether a deal makes sense for your specific situation, your specific loan terms, and your specific down payment.
The formula is simple on the surface — annual pre-tax cash flow divided by total cash invested — but the inputs are where investors go wrong. Total cash invested has to include everything that left your bank account to close and stabilize the property: down payment, closing costs, inspection and appraisal fees, and any repairs made before the first tenant moved in. Leaving out even one of those categories inflates your return and gives you a false sense of how the deal is actually performing.
Say you put $30,000 into a rental — a $25,000 down payment plus $5,000 in closing costs and minor repairs. The property rents for $1,400/month. After your $850 mortgage payment, $120 in taxes, $80 in insurance, and $210 set aside for maintenance and vacancy, you're left with $140/month in cash flow, or $1,680/year. Divide that by your $30,000 invested and you get a 5.6% cash-on-cash return — below the 8% threshold most experienced investors target. That tells you either the price needs to come down, the rent needs to go up, or this particular deal isn't the one.
Cash-on-cash is the first calculation I run on every deal, before I fall in love with the property or the neighborhood. I learned that discipline during the 2007 crash, working alongside an investor who wouldn't even walk a property until the numbers cleared his minimum return — no exceptions, no "it'll appreciate" hand-waving.
Here's the trap I see new investors fall into: they run cash-on-cash once, like it, and never touch the inputs again. Rerun it with a slightly higher vacancy reserve and a slightly higher maintenance number. If the deal still works after you've been a little pessimistic with the assumptions, you've got a real margin of safety — not just a number that only works if everything goes perfectly.
Most real estate investors target a cash-on-cash return of 8-12% as a minimum threshold. Returns above 12% are generally considered strong, while returns above 15% are excellent. However, benchmarks vary by market — high cost-of-living areas may see lower returns while Midwest and Southern markets often yield higher cash-on-cash returns.
Cash-on-cash return measures only the cash income relative to the cash you invested, ignoring appreciation and mortgage paydown. ROI (return on investment) is broader and includes all returns — cash flow, appreciation, equity buildup, and tax benefits. Cash-on-cash is better for comparing the income performance of deals.
Yes. Cash-on-cash return is calculated after all expenses including your mortgage payment. You subtract all monthly expenses (mortgage, taxes, insurance, management, maintenance, vacancy reserve) from your gross rent to get net cash flow, then annualize it and divide by your total cash invested.
Total cash invested includes your down payment, closing costs, inspection fees, initial repair costs, and any other out-of-pocket expenses required to acquire and stabilize the property. It does not include the financed portion of the purchase price.