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Credit Polaris
Cost of credit

Credit score dollar-impact calculator

Estimate extra interest across mortgage, auto, and cards by score band (educational rates).

Compare illustrative rates by score band across a mortgage, auto loan, and revolving card. Educational assumptions only - not market quotes, offers, or score guarantees.

Your score band

Maps to a band only - not a bureau score or prediction.

Compare to band

30-year fixed illustrative term. Use 0 to skip.

60-month illustrative term. Use 0 to skip.

24-month simple-interest education horizon. Use 0 to skip.

Estimated extra interest

$67,606.40

higher interest at your band vs compare

Sum of product-horizon interest deltas (mortgage full term, auto full term, card 24 months) - not one shared lifetime figure.

Approx. extra per month (sum)
$253.47
Mortgage (7.5% vs 6.75%, 30y term)
$63,777.60 / $177.16/mo
Auto loan (12.5% vs 8.5%, 60 mo term)
$3,328.80 / $55.48/mo
Card revolving (24.9% vs 19.9%, 24 mo horizon)
$500.00 / $20.83/mo

Assumptions: fixed educational APR table by band (not live market rates or personal offers). Amortized interest for mortgage and auto; simple interest if a card balance is held roughly steady. Results vary by lender, product, and underwriting.

Educational estimates only. Not credit repair advice, not a guarantee of score changes or loan approval. Results vary; we are not a lender or law firm.