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Compare · Loan Calculator

Two independent scenarios side by side.

Scenario A

Loan details

Quick scenarios

Balance over time

Your rate (8%) · 6.00% rate · 10.00% rate over 6 points$0$5,000$10,000$15,000$20,000Year 0Year 1Year 2Year 3Year 4Year 5Half-paid
  • Your rate (8%)
  • 6.00% rate
  • 10.00% rate

Dashed lines show the same loan with rates ±2 percentage points — see how rate moves the curve.

Per-year payment composition

Hover any bar to see exact principal vs interest for that year.

Principal + Interest across 5 bars$0$1,000$2,000$3,000$4,000$5,000Yr 1Yr 2Yr 3Yr 4Yr 5
  • Principal
  • Interest

In summary: Borrowing $20,000 at 8% over 5 years means $405.53/mo and $4,332 total interest.

Monthly payment
$405.53
60 payments · $24,332 lifetime
  • Interest as % of loan
    22%
  • Lifetime cost
    $24,332
  • First-month split
    $272 principal · $133 interest
  • Halfway-paid month
    Month 33

Cost breakdown

Principal · $20,000.00 (82%): 82.2% · Interest · $4,331.67 (18%): 17.8%$24,332TOTAL PAID
  • Principal · $20,000.00 (82%)82.2%
  • Interest · $4,331.67 (18%)17.8%

Drag the rate or term sliders above and watch this ratio shift. Cutting the term in half typically cuts total interest by ~60%.

Lifetime totals

Principal?
$20,000.00
Total interest
$4,331.67
Total paid
$24,331.67
Payoff date
Apr 27, 2031
Scenario B

Loan details

Quick scenarios

Balance over time

Your rate (8%) · 6.00% rate · 10.00% rate over 6 points$0$5,000$10,000$15,000$20,000Year 0Year 1Year 2Year 3Year 4Year 5Half-paid
  • Your rate (8%)
  • 6.00% rate
  • 10.00% rate

Dashed lines show the same loan with rates ±2 percentage points — see how rate moves the curve.

Per-year payment composition

Hover any bar to see exact principal vs interest for that year.

Principal + Interest across 5 bars$0$1,000$2,000$3,000$4,000$5,000Yr 1Yr 2Yr 3Yr 4Yr 5
  • Principal
  • Interest

In summary: Borrowing $20,000 at 8% over 5 years means $405.53/mo and $4,332 total interest.

Monthly payment
$405.53
60 payments · $24,332 lifetime
  • Interest as % of loan
    22%
  • Lifetime cost
    $24,332
  • First-month split
    $272 principal · $133 interest
  • Halfway-paid month
    Month 33

Cost breakdown

Principal · $20,000.00 (82%): 82.2% · Interest · $4,331.67 (18%): 17.8%$24,332TOTAL PAID
  • Principal · $20,000.00 (82%)82.2%
  • Interest · $4,331.67 (18%)17.8%

Drag the rate or term sliders above and watch this ratio shift. Cutting the term in half typically cuts total interest by ~60%.

Lifetime totals

Principal?
$20,000.00
Total interest
$4,331.67
Total paid
$24,331.67
Payoff date
Apr 27, 2031