Loan Calculator
Monthly payment, total interest and a full amortization schedule.
%
years
Monthly payment
$1,688.02
300 payments over 25 years
Total repaid
$506,405.37
Total interest
$256,405.37
Interest as % of loan
102.6%
ShowHide the working
- 1Monthly rate r = 6.5% ÷ 12 ÷ 100 = 0.00541667
- 2Number of payments n = 25 × 12 = 300
- 3Payment = P × r × (1+r)^n ÷ ((1+r)^n − 1) = $1,688.02
- 4Total repaid = $1,688.02 × 300 = $506,405.37
- 5Total interest = $506,405.37 − $250,000.00 = $256,405.37
Formula
payment = P × r × (1 + r)ⁿ ÷ ((1 + r)ⁿ − 1)Amortization schedule
| Month | Payment | Principal | Interest | Balance |
|---|---|---|---|---|
| 1 | $1,688.02 | $333.85 | $1,354.17 | $249,666.15 |
| 2 | $1,688.02 | $335.66 | $1,352.36 | $249,330.49 |
| 3 | $1,688.02 | $337.48 | $1,350.54 | $248,993.01 |
| 4 | $1,688.02 | $339.31 | $1,348.71 | $248,653.71 |
| 5 | $1,688.02 | $341.14 | $1,346.87 | $248,312.56 |
| 6 | $1,688.02 | $342.99 | $1,345.03 | $247,969.57 |
| 7 | $1,688.02 | $344.85 | $1,343.17 | $247,624.72 |
| 8 | $1,688.02 | $346.72 | $1,341.30 | $247,278.00 |
| 9 | $1,688.02 | $348.60 | $1,339.42 | $246,929.41 |
| 10 | $1,688.02 | $350.48 | $1,337.53 | $246,578.92 |
| 11 | $1,688.02 | $352.38 | $1,335.64 | $246,226.54 |
| 12 | $1,688.02 | $354.29 | $1,333.73 | $245,872.25 |
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About the Loan Calculator
Monthly payment, total interest and a full amortization schedule. It sits in the Finance & Loans section of NWS Calc, a free collection of calculators that run entirely in your browser. There is no signup, no paywall and no tracking — open the page, enter your numbers, get an answer.
Frequently asked questions
- Is the Loan Calculator free to use?
- Yes. Every calculator on NWS Calc is completely free, with no signup, no usage limits and no ads.
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- Can I use the Loan Calculator on my phone?
- Yes. The page is fully responsive and works in any modern mobile or desktop browser — there is nothing to install.
- What else is in Finance & Loans?
- Loans, mortgages, interest, savings and investment returns. You can browse the full Finance & Loans category for related calculators.