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Amortization Calculator

Calculate fixed loan payment, total interest, and total cost.

Amortization Calculator Inputs

Results computed instantly โ€” your data never leaves your device.

Live Amortization Calculator Results

Real-Time

Monthly Payment

$277.55

Total Interest

$8306.15

Total Cost

$33306.15

100% Client-SidePrivate & Secure

How to Use the Amortization Calculator

  1. 1

    Enter the labeled financial inputs.

  2. 2

    Confirm rate and time units.

  3. 3

    Review the live result.

  4. 4

    Compare assumptions before relying on it.

Formula & Mathematical Basis

Payment = P ร— r ร— (1+r)^n รท ((1+r)^n โˆ’ 1)

Variable Key

P

Financed principal

r

Monthly interest rate

n

Number of monthly payments

๐Ÿ“ Zero-rate loans use principal divided by payment count.

Step-by-Step Examples

1

Fixed loan

Scenario: Enter principal, annual rate, and years.

  1. 1.Convert annual rate to monthly rate.
  2. 2.Apply the annuity payment formula.
  3. 3.Multiply payment by months.
  4. 4.Subtract principal for interest.
โœ… Monthly payment, interest, and cost are shown.

Practical Use Cases

  • Compare loan terms.
  • Estimate total borrowing cost.

Common Pitfalls

  • Using annual rate as monthly rate.
  • Ignoring fees outside financed principal.

Frequently Asked Questions

Are calculations client-side?

Yes.

Does it include fees?

Only if included in principal.

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