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Costs & fees January 28, 2026

Money factor explained: the hidden interest rate on your lease

What the money factor is, how to turn it into an APR, and how to tell if you're being overcharged.

The single most misunderstood number on a car lease is the money factor. Here's how to read it.

It's just an interest rate

The money factor expresses your finance charge as a small decimal, like 0.00125. To convert it to an approximate APR, multiply by 2,400.

Buy rate vs. marked-up rate

Leasing banks set a "buy rate" based on your credit. Dealers can legally mark it up and keep the difference. Always ask for the buy rate.

What a fair number looks like

Compare your money factor's APR against current new-car finance rates for your credit tier. If it's much higher, push back.

Check your lease against typical terms with the free Lease Checker.

Check your own car lease

Paste your car lease and get a plain-English, term-by-term breakdown in seconds.

Explain my car lease

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