Free online tool

Cash Back or Low Interest Calculator

Enter car price, cash back amount, and financing rates to decide which saves more.

Instant calculation

Cash Back or Low Interest Calculator

Enter car price, cash back amount, and financing rates to decide which saves more.

Your numbers stay in this browser. Nothing is uploaded or saved.

Three clear steps

How to use this calculator

  1. 01

    Enter car price

    Type the vehicle purchase price.

  2. 02

    Enter cash back

    Type the cash back incentive amount.

  3. 03

    Compare rates

    Enter the low promotional rate and the standard market rate.

The formula

How this calculation works

Compares the total amount paid with cash back at market rates versus low-interest financing.

Cash Back or Low Interest Calculator

Total cost with cash back = (Price − Cash back) × (1 + Market rate terms); Compare with low-rate total

Cash back: $28,000 at 6% = $32,470; Low rate: $30,000 at 2% = $31,560

Check the method

Worked examples

Each example follows the same formula used by the calculator.

$30,000 car, $2,000 cash back at 6% vs 2% low rate, 60 months — which?

Cash back: $28,000 at 6% = $32,470; Low rate: $30,000 at 2% = $31,560Low-rate financing saves ~$910

Common questions

Questions about this calculation

What is the Cash Back or Low Interest Calculator?

The Cash Back or Low Interest Calculator helps you compare cash back versus low-interest financing for a car purchase. Enter your values and select Calculate to get an instant result.

How is the result calculated?

Compares the total amount paid with cash back at market rates versus low-interest financing.

Can you show an example?

Example: $30,000 car, $2,000 cash back at 6% vs 2% low rate, 60 months — which? — Low-rate financing saves ~$910.

Is my data saved when I use the Cash Back or Low Interest Calculator?

No. All calculations run locally in your browser. Your inputs and results are never uploaded, stored or shared with anyone.

Is the Cash Back or Low Interest Calculator free to use?

Yes. The Cash Back or Low Interest Calculator is completely free. No account, sign-up or payment is required. It works on mobile, tablet and desktop.