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Mortgage Amortization Calculator

Where every mortgage payment goes: mostly interest at first. See what extra principal payments save.

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Monthly payment (principal and interest)

$2,275.44

$360,000 loan at 6.5% for 30 years. Taxes and insurance are extra.

  • First payment86% interest$1,950 interest, $325 principal
  • First 5 years$113,526 interestof $136,527 paid (83%)
  • Total interest$459,160on a $360,000 loan
$0$7,236$14K$22K$29KYr 1Yr 6Yr 11Yr 16Yr 21Yr 26Yr 30

InterestPrincipal

Mostly interest until year 20

For the first 19 years, more of every payment goes to the bank as interest than to paying down your loan. Interest is charged on what you still owe, and early on you owe almost everything.

Try an extra payment

Adding $200 a month to principal would take 6 years 1 month off and save $108,917 in interest.

Year by year

YearInterestPrincipalBalance left
1$23,282$4,024$355,976
2$23,012$4,293$351,683
3$22,725$4,581$347,102
4$22,418$4,888$342,214
5$22,090$5,215$337,000
6$21,741$5,564$331,435
7$21,368$5,937$325,498
8$20,971$6,334$319,164
9$20,547$6,759$312,405
10$20,094$7,211$305,194
11$19,611$7,694$297,500
12$19,096$8,210$289,290
13$18,546$8,759$280,531
14$17,959$9,346$271,185
15$17,333$9,972$261,213
16$16,666$10,640$250,573
17$15,953$11,352$239,221
18$15,193$12,113$227,108
19$14,382$12,924$214,184
20$13,516$13,789$200,395
21$12,592$14,713$185,682
22$11,607$15,698$169,984
23$10,556$16,750$153,234
24$9,434$17,871$135,363
25$8,237$19,068$116,295
26$6,960$20,345$95,950
27$5,598$21,708$74,242
28$4,144$23,162$51,080
29$2,593$24,713$26,368
30$938$26,368$0

Principal and interest only. Property tax, insurance and any PMI come on top.

Is this the right size of mortgage for you? Try the Invest-First Home Budget

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Important — please read

This calculator is an educational tool. It shows a simple, fixed-rate projection: it assumes your money grows at the same rate every year with no interruptions, and it ignores taxes, fees, inflation, market volatility, sequence-of-returns risk, and changes to your contributions or circumstances. Real investment returns vary widely year to year and can be negative. Past performance does not predict future results.

The numbers shown are hypothetical illustrations, not a forecast, a promise, or a recommendation, and nothing here is investment, tax, legal, or financial advice or an offer or solicitation to buy or sell any security. Paycheck Paradox is not a registered investment adviser, broker-dealer, or tax advisor.

Before making any financial decision, talk to a qualified professional — a licensed financial advisor, CPA, or attorney — who can account for your full situation. You are solely responsible for your own decisions.

Provided “as is”, with no warranty of accuracy or fitness for any purpose. To the fullest extent permitted by law, Paycheck Paradox accepts no liability for any loss arising from use of, or reliance on, this tool.

Smart Money Hub · build Oct 11, 2026, 2:32 AM EDT