Mortgage amortization calculator

Your amortization schedule will show you how much of your monthly mortgage payments you spend toward principal and interest.
Monthly principal & interest

$1,637

30-year fixed loan term

See how your payments change over time for your 30-year fixed loan term
At year 0
30 year fixed loan term

Remaining
$240,000
Principal Paid
$0
Interest Paid
$0
Year 0
drag me

1

30

Years

Amortization schedule
See how your payments change over time for your 30-year fixed loan term
At year 0
30 year fixed loan term

Remaining
$240,000
Principal Paid
$0
Interest Paid
$0
Year 0
drag me

1

30

Years

Breakdown
Payment datePrincipalInterestBalance
May '24$0$0$240,000
June '24$187$1,450$239,813
July '24$188$1,449$239,624
August '24$190$1,448$239,435
September '24$191$1,446$239,244
October '24$192$1,445$239,052
November '24$193$1,444$238,859
December '24$194$1,443$238,665
January '25$195$1,442$238,470
February '25$197$1,441$238,273
March '25$198$1,439$238,076
April '25$199$1,438$237,877
May '25$200$1,437$237,677
June '25$201$1,436$237,475
July '25$203$1,435$237,273
August '25$204$1,433$237,069
September '25$205$1,432$236,864
October '25$206$1,431$236,658
November '25$207$1,430$236,451
December '25$209$1,428$236,242
January '26$210$1,427$236,032
February '26$211$1,426$235,821
March '26$213$1,425$235,608
April '26$214$1,423$235,394
May '26$215$1,422$235,179
June '26$216$1,421$234,963
July '26$218$1,419$234,745
August '26$219$1,418$234,526
September '26$220$1,417$234,306
October '26$222$1,415$234,084
November '26$223$1,414$233,861
December '26$224$1,413$233,637
January '27$226$1,411$233,411
February '27$227$1,410$233,184
March '27$228$1,409$232,956
April '27$230$1,407$232,726
May '27$231$1,406$232,495
June '27$233$1,404$232,262
July '27$234$1,403$232,028
August '27$235$1,402$231,793
September '27$237$1,400$231,556
October '27$238$1,399$231,318
November '27$240$1,397$231,078
December '27$241$1,396$230,837
January '28$243$1,394$230,594
February '28$244$1,393$230,350
March '28$246$1,392$230,104
April '28$247$1,390$229,857
May '28$249$1,389$229,609
June '28$250$1,387$229,359
July '28$252$1,386$229,107
August '28$253$1,384$228,854
September '28$255$1,382$228,600
October '28$256$1,381$228,343
November '28$258$1,379$228,086
December '28$259$1,378$227,827
January '29$261$1,376$227,566
February '29$262$1,375$227,303
March '29$264$1,373$227,039
April '29$266$1,372$226,774
May '29$267$1,370$226,507
June '29$269$1,368$226,238
July '29$270$1,367$225,968
August '29$272$1,365$225,696
September '29$274$1,363$225,422
October '29$275$1,362$225,147
November '29$277$1,360$224,870
December '29$279$1,358$224,591
January '30$280$1,357$224,311
February '30$282$1,355$224,029
March '30$284$1,353$223,745
April '30$285$1,352$223,459
May '30$287$1,350$223,172
June '30$289$1,348$222,883
July '30$291$1,346$222,593
August '30$292$1,345$222,300
September '30$294$1,343$222,006
October '30$296$1,341$221,710
November '30$298$1,339$221,412
December '30$300$1,338$221,113
January '31$301$1,336$220,811
February '31$303$1,334$220,508
March '31$305$1,332$220,203
April '31$307$1,330$219,896
May '31$309$1,328$219,588
June '31$311$1,326$219,277
July '31$312$1,325$218,965
August '31$314$1,323$218,650
September '31$316$1,321$218,334
October '31$318$1,319$218,016
November '31$320$1,317$217,696
December '31$322$1,315$217,374
January '32$324$1,313$217,050
February '32$326$1,311$216,724
March '32$328$1,309$216,396
April '32$330$1,307$216,066
May '32$332$1,305$215,734
June '32$334$1,303$215,401
July '32$336$1,301$215,065
August '32$338$1,299$214,727
September '32$340$1,297$214,387
October '32$342$1,295$214,045
November '32$344$1,293$213,701
December '32$346$1,291$213,355
January '33$348$1,289$213,007
February '33$350$1,287$212,656
March '33$352$1,285$212,304
April '33$355$1,282$211,949
May '33$357$1,280$211,593
June '33$359$1,278$211,234
July '33$361$1,276$210,873
August '33$363$1,274$210,509
September '33$365$1,272$210,144
October '33$368$1,269$209,776
November '33$370$1,267$209,407
December '33$372$1,265$209,034
January '34$374$1,263$208,660
February '34$377$1,260$208,284
March '34$379$1,258$207,905
April '34$381$1,256$207,524
May '34$383$1,254$207,140
June '34$386$1,251$206,754
July '34$388$1,249$206,366
August '34$390$1,247$205,976
September '34$393$1,244$205,583
October '34$395$1,242$205,188
November '34$398$1,240$204,790
December '34$400$1,237$204,390
January '35$402$1,235$203,988
February '35$405$1,232$203,583
March '35$407$1,230$203,176
April '35$410$1,227$202,766
May '35$412$1,225$202,354
June '35$415$1,222$201,939
July '35$417$1,220$201,522
August '35$420$1,217$201,102
September '35$422$1,215$200,680
October '35$425$1,212$200,255
November '35$427$1,210$199,828
December '35$430$1,207$199,398
January '36$433$1,205$198,966
February '36$435$1,202$198,531
March '36$438$1,199$198,093
April '36$440$1,197$197,652
May '36$443$1,194$197,209
June '36$446$1,191$196,764
July '36$448$1,189$196,315
August '36$451$1,186$195,864
September '36$454$1,183$195,410
October '36$457$1,180$194,953
November '36$459$1,178$194,494
December '36$462$1,175$194,032
January '37$465$1,172$193,567
February '37$468$1,169$193,099
March '37$471$1,166$192,629
April '37$473$1,164$192,155
May '37$476$1,161$191,679
June '37$479$1,158$191,200
July '37$482$1,155$190,718
August '37$485$1,152$190,233
September '37$488$1,149$189,745
October '37$491$1,146$189,254
November '37$494$1,143$188,760
December '37$497$1,140$188,263
January '38$500$1,137$187,764
February '38$503$1,134$187,261
March '38$506$1,131$186,755
April '38$509$1,128$186,246
May '38$512$1,125$185,734
June '38$515$1,122$185,219
July '38$518$1,119$184,701
August '38$521$1,116$184,179
September '38$524$1,113$183,655
October '38$528$1,109$183,127
November '38$531$1,106$182,597
December '38$534$1,103$182,063
January '39$537$1,100$181,525
February '39$540$1,097$180,985
March '39$544$1,093$180,441
April '39$547$1,090$179,894
May '39$550$1,087$179,344
June '39$554$1,083$178,790
July '39$557$1,080$178,233
August '39$560$1,077$177,673
September '39$564$1,073$177,109
October '39$567$1,070$176,542
November '39$571$1,066$175,971
December '39$574$1,063$175,397
January '40$578$1,060$174,819
February '40$581$1,056$174,238
March '40$585$1,053$173,654
April '40$588$1,049$173,066
May '40$592$1,045$172,474
June '40$595$1,042$171,879
July '40$599$1,038$171,280
August '40$602$1,035$170,678
September '40$606$1,031$170,072
October '40$610$1,027$169,462
November '40$613$1,024$168,849
December '40$617$1,020$168,232
January '41$621$1,016$167,611
February '41$625$1,013$166,986
March '41$628$1,009$166,358
April '41$632$1,005$165,726
May '41$636$1,001$165,090
June '41$640$997$164,450
July '41$644$993$163,807
August '41$648$990$163,159
September '41$651$986$162,508
October '41$655$982$161,852
November '41$659$978$161,193
December '41$663$974$160,530
January '42$667$970$159,862
February '42$671$966$159,191
March '42$675$962$158,516
April '42$679$958$157,836
May '42$684$953$157,152
June '42$688$949$156,465
July '42$692$945$155,773
August '42$696$941$155,077
September '42$700$937$154,376
October '42$704$933$153,672
November '42$709$928$152,963
December '42$713$924$152,250
January '43$717$920$151,533
February '43$722$915$150,811
March '43$726$911$150,085
April '43$730$907$149,355
May '43$735$902$148,620
June '43$739$898$147,881
July '43$744$893$147,137
August '43$748$889$146,389
September '43$753$884$145,636
October '43$757$880$144,879
November '43$762$875$144,117
December '43$766$871$143,350
January '44$771$866$142,579
February '44$776$861$141,803
March '44$780$857$141,023
April '44$785$852$140,238
May '44$790$847$139,448
June '44$795$842$138,653
July '44$799$838$137,854
August '44$804$833$137,049
September '44$809$828$136,240
October '44$814$823$135,426
November '44$819$818$134,607
December '44$824$813$133,783
January '45$829$808$132,954
February '45$834$803$132,120
March '45$839$798$131,282
April '45$844$793$130,438
May '45$849$788$129,588
June '45$854$783$128,734
July '45$859$778$127,875
August '45$865$772$127,010
September '45$870$767$126,140
October '45$875$762$125,265
November '45$880$757$124,385
December '45$886$751$123,499
January '46$891$746$122,608
February '46$896$741$121,712
March '46$902$735$120,810
April '46$907$730$119,903
May '46$913$724$118,990
June '46$918$719$118,072
July '46$924$713$117,148
August '46$929$708$116,219
September '46$935$702$115,284
October '46$941$696$114,343
November '46$946$691$113,397
December '46$952$685$112,445
January '47$958$679$111,487
February '47$964$673$110,523
March '47$969$668$109,554
April '47$975$662$108,578
May '47$981$656$107,597
June '47$987$650$106,610
July '47$993$644$105,617
August '47$999$638$104,618
September '47$1,005$632$103,613
October '47$1,011$626$102,602
November '47$1,017$620$101,585
December '47$1,023$614$100,561
January '48$1,030$607$99,532
February '48$1,036$601$98,496
March '48$1,042$595$97,454
April '48$1,048$589$96,405
May '48$1,055$582$95,351
June '48$1,061$576$94,290
July '48$1,067$570$93,222
August '48$1,074$563$92,148
September '48$1,080$557$91,068
October '48$1,087$550$89,981
November '48$1,094$544$88,887
December '48$1,100$537$87,787
January '49$1,107$530$86,681
February '49$1,113$524$85,567
March '49$1,120$517$84,447
April '49$1,127$510$83,320
May '49$1,134$503$82,186
June '49$1,141$496$81,046
July '49$1,147$490$79,898
August '49$1,154$483$78,744
September '49$1,161$476$77,582
October '49$1,168$469$76,414
November '49$1,175$462$75,239
December '49$1,183$455$74,056
January '50$1,190$447$72,866
February '50$1,197$440$71,669
March '50$1,204$433$70,465
April '50$1,211$426$69,254
May '50$1,219$418$68,035
June '50$1,226$411$66,809
July '50$1,233$404$65,576
August '50$1,241$396$64,335
September '50$1,248$389$63,086
October '50$1,256$381$61,830
November '50$1,264$374$60,567
December '50$1,271$366$59,296
January '51$1,279$358$58,017
February '51$1,287$350$56,730
March '51$1,294$343$55,436
April '51$1,302$335$54,134
May '51$1,310$327$52,824
June '51$1,318$319$51,506
July '51$1,326$311$50,180
August '51$1,334$303$48,846
September '51$1,342$295$47,504
October '51$1,350$287$46,154
November '51$1,358$279$44,795
December '51$1,366$271$43,429
January '52$1,375$262$42,054
February '52$1,383$254$40,671
March '52$1,391$246$39,280
April '52$1,400$237$37,880
May '52$1,408$229$36,472
June '52$1,417$220$35,055
July '52$1,425$212$33,630
August '52$1,434$203$32,196
September '52$1,443$194$30,753
October '52$1,451$186$29,302
November '52$1,460$177$27,842
December '52$1,469$168$26,373
January '53$1,478$159$24,895
February '53$1,487$150$23,409
March '53$1,496$141$21,913
April '53$1,505$132$20,408
May '53$1,514$123$18,895
June '53$1,523$114$17,372
July '53$1,532$105$15,840
August '53$1,541$96$14,298
September '53$1,551$86$12,748
October '53$1,560$77$11,187
November '53$1,569$68$9,618
December '53$1,579$58$8,039
January '54$1,588$49$6,451
February '54$1,598$39$4,852
March '54$1,608$29$3,245
April '54$1,617$20$1,627
May '54$1,627$10$0
Compare loan types
Total principal: $240,000
Loan Term
30-year fixed
Your Input
15-year fixed30-year fixed
Total Monthly Payment$2,073$2,513$2,073
Mortgage Rate7.249%6.396%*7.249%*
Total interest paid$349,342$133,853$349,342
* Data source: ©Zillow, Inc. 2006 - 2024. Use is subject to the Terms of Use

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What's behind the numbers in our mortgage amortization calculator


An amortization calculator enables you to take a snapshot of the interest and principal (the debt) paid in any month of the loan.

"Amortization" is a word for the way debt is repaid in a mortgage, where each monthly payment is the same (excluding taxes and insurance). In the beginning years, most of each payment goes toward interest and only a little goes to debt reduction. That ratio gradually changes, and it flips in the later years of the mortgage. This is amortization at work.

For example, if you get a $200,000 mortgage for 30 years with an interest rate of 4.25%, your monthly principal and interest payments will be $984:

  • With the first payment, $276 will go to principal (reducing the debt) and $708 will go to interest.

  • Fast-forward 10 years to the 120th payment and the payment is still $984, but $420 goes to principal and $564 goes to interest.

  • In the next-to-last payment, $977 goes to principal and $7 goes to interest.

What the mortgage amortization calculator does


Before you get a mortgage, you might want to know how much interest you will pay in total. If you already have a mortgage, you might want to know how much debt you've paid off and how much remains. Or you might want to compare different loan terms before refinancing. NerdWallet's mortgage amortization schedule calculator can help you do all of those things. It allows you to figure out:

  • How much a particular month's house payment goes toward principal and how much goes toward interest. This information is viewed on an "amortization schedule" — a table that breaks down each payment month by month.

  • How much interest you will pay over the life of the loan.

  • In any given month, how much you still owe.

  • How different terms, like a 30-year versus a 15-year, compare in monthly payments and interest paid over the life of the loan.

How to use our mortgage amortization calculator


To get the most out of the mortgage amortization calculator, you can personalize it with your own numbers. Fill in the data fields to the right of the graph.

The data fields contain the following inputs:

  • Location.

  • The value or price of the home.

  • The mortgage interest rate.

  • The down payment (or, in the case of a refinance, the value of the home's equity).

  • The loan's term, from one to 30 years.

The calculator has four tabs:

  • "Amortization schedule" has the graph. Move the vertical slider to see how much you still owe and how much principal and interest you have paid at the end of each 12-month period.

  • "Breakdown" shows, month by month, the remaining loan balance after that payment has been made. On computers and tablets, it also displays a mortgage amortization table detailing the principal and interest paid each month.

  • "Monthly payment" shows the estimated monthly payment, including principal and interest, property taxes and homeowners insurance.

  • "Compare loan types" gives a side-by-side view of the monthly payments and total interest paid for three loans. From left to right, they are the mortgage whose interest rate and term you specified, and a 15-year and 30-year loan at today's mortgage rates.

How to interpret your results


By playing around with the mortgage amortization calculator, you can:

  • See how much money you would save in the long run by getting a shorter- term loan, whether you're buying or refinancing.

  • See how much principal you have paid at the end of each year.

  • Take the first step toward calculating how much equity you have, and whether you can cancel private mortgage insurance. Use the slider to see approximately how much principal you have paid. Add that to your down payment. If that sum is more than 20% of the home's value when you got the loan, you might be able to cancel mortgage insurance.

Can I use the mortgage amortization calculator for an adjustable rate mortgage?


Probably not. The initial interest rate term would be represented well on an amortization schedule, but after the teaser interest rate term ends, it would be difficult to account for future interest rate adjustments.

Any amortization schedule on an ARM is really just an estimate and subject to substantial change.

Why does it take so long to pay down my principal?


The simple answer is: The lender gets paid first. In the early years of your mortgage, your monthly loan payment is heavily weighted to paying interest. Just a tiny reduction of the principal loan balance occurs with each payment at this stage. The rest of the payment often goes to insurance, taxes and other expenses wrapped into the monthly amount due.

As years pass, you’ll begin to see more of your payment going to principal — a greater amount is reducing the debt and less is being spent on interest.