Cash Up Front or Payments?

If your investments can out-earn the loan rate, financing and investing can win. See the math.

Your numbers

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Which wins

Advantage
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Compares the interest paid to finance with the growth earned by investing the cash over the same term. Ignores taxes and assumes the payment comes from income, not the invested cash. Illustrative.
About this calculator

Cash Up Front or Payments?

A pay-cash-or-finance calculator compares paying cash for a purchase with financing it and investing the money, weighing the loan's interest cost against the return your cash could earn.

The core trade-off

Financing costs interest, but keeping your cash invested can earn a return. If your expected investment return is higher than the loan rate, financing and investing can leave you ahead; if the loan rate is higher, paying cash wins. The calculator compares the interest paid with the growth earned over the term.

Beyond the math

The numbers ignore risk and certainty. A guaranteed saving from paying cash is worth more than an uncertain investment return, and low-rate promotional financing changes the calculus. There's also value in being debt-free. Use the comparison as a starting point, then weigh your comfort with debt and market risk.

How to use it

  1. Enter the purchase price.
  2. Enter the financing APR and term.
  3. Enter your expected investment return.
  4. See which approach comes out ahead.

Frequently asked questions

Is it better to pay cash or finance and invest?

If your expected investment return beats the loan rate, financing and investing can win. If the loan rate is higher, paying cash is better.

What does this comparison ignore?

Risk and taxes. Investment returns are uncertain, while paying cash saves interest for certain. Low-rate financing tilts toward investing.

Is 0% financing worth taking?

Often yes, since there's no interest cost, so keeping your cash invested (or in savings) usually comes out ahead. Confirm there are no hidden fees.

See the exact formula and a worked example on our methodology page.

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