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Amortization Schedule Calculator

Generate a full amortization schedule with monthly payment breakdown, remaining balance, and total interest.

Amortization Schedule Calculator

Generate an amortization schedule with a month-by-month payment breakdown.

Starting balance of the loan.

$

Annual rate used for interest.

%

Loan duration in years.

years

Optional extra paid toward principal each month.

$
Monthly payment (base)
$2,275
Payoff time
360 months
Total interest
$459,160
Total paid
$819,160

Remaining balance

PeriodValue
1359,674.56
60336,999.52
120305,194.05
180261,212.91
240200,395.02
300116,294.98
3600
Results are estimates for informational purposes only.

Amortization schedule

MonthPaymentPrincipalInterestBalance
1$2,275$325$1,950$359,675
2$2,275$327$1,948$359,347
3$2,275$329$1,946$359,018
4$2,275$331$1,945$358,688
5$2,275$333$1,943$358,355
6$2,275$334$1,941$358,021
7$2,275$336$1,939$357,685
8$2,275$338$1,937$357,347
9$2,275$340$1,936$357,007
10$2,275$342$1,934$356,665
11$2,275$344$1,932$356,322
12$2,275$345$1,930$355,976
13$2,275$347$1,928$355,629
14$2,275$349$1,926$355,280
15$2,275$351$1,924$354,929
16$2,275$353$1,923$354,576
17$2,275$355$1,921$354,221
18$2,275$357$1,919$353,864
19$2,275$359$1,917$353,506
20$2,275$361$1,915$353,145
21$2,275$363$1,913$352,782
22$2,275$365$1,911$352,418
23$2,275$367$1,909$352,051
24$2,275$368$1,907$351,683
25$2,275$370$1,905$351,312
26$2,275$373$1,903$350,940
27$2,275$375$1,901$350,565
28$2,275$377$1,899$350,189
29$2,275$379$1,897$349,810
30$2,275$381$1,895$349,430
31$2,275$383$1,893$349,047
32$2,275$385$1,891$348,662
33$2,275$387$1,889$348,275
34$2,275$389$1,886$347,886
35$2,275$391$1,884$347,495
36$2,275$393$1,882$347,102
37$2,275$395$1,880$346,707
38$2,275$397$1,878$346,309
39$2,275$400$1,876$345,910
40$2,275$402$1,874$345,508
41$2,275$404$1,872$345,104
42$2,275$406$1,869$344,698
43$2,275$408$1,867$344,290
44$2,275$411$1,865$343,879
45$2,275$413$1,863$343,466
46$2,275$415$1,860$343,051
47$2,275$417$1,858$342,634
48$2,275$420$1,856$342,214
49$2,275$422$1,854$341,793
50$2,275$424$1,851$341,369
51$2,275$426$1,849$340,942
52$2,275$429$1,847$340,514
53$2,275$431$1,844$340,083
54$2,275$433$1,842$339,649
55$2,275$436$1,840$339,214
56$2,275$438$1,837$338,776
57$2,275$440$1,835$338,335
58$2,275$443$1,833$337,892
59$2,275$445$1,830$337,447
60$2,275$448$1,828$337,000
61$2,275$450$1,825$336,549
62$2,275$452$1,823$336,097
63$2,275$455$1,821$335,642
64$2,275$457$1,818$335,185
65$2,275$460$1,816$334,725
66$2,275$462$1,813$334,263
67$2,275$465$1,811$333,798
68$2,275$467$1,808$333,330
69$2,275$470$1,806$332,860
70$2,275$472$1,803$332,388
71$2,275$475$1,800$331,913
72$2,275$478$1,798$331,435
73$2,275$480$1,795$330,955
74$2,275$483$1,793$330,472
75$2,275$485$1,790$329,987
76$2,275$488$1,787$329,499
77$2,275$491$1,785$329,008
78$2,275$493$1,782$328,515
79$2,275$496$1,779$328,019
80$2,275$499$1,777$327,520
81$2,275$501$1,774$327,019
82$2,275$504$1,771$326,515
83$2,275$507$1,769$326,008
84$2,275$510$1,766$325,498
85$2,275$512$1,763$324,986
86$2,275$515$1,760$324,471
87$2,275$518$1,758$323,953
88$2,275$521$1,755$323,432
89$2,275$524$1,752$322,909
90$2,275$526$1,749$322,383
91$2,275$529$1,746$321,853
92$2,275$532$1,743$321,321
93$2,275$535$1,740$320,786
94$2,275$538$1,738$320,248
95$2,275$541$1,735$319,708
96$2,275$544$1,732$319,164
97$2,275$547$1,729$318,617
98$2,275$550$1,726$318,068
99$2,275$553$1,723$317,515
100$2,275$556$1,720$316,960
101$2,275$559$1,717$316,401
102$2,275$562$1,714$315,839
103$2,275$565$1,711$315,275
104$2,275$568$1,708$314,707
105$2,275$571$1,705$314,136
106$2,275$574$1,702$313,562
107$2,275$577$1,698$312,985
108$2,275$580$1,695$312,405
109$2,275$583$1,692$311,822
110$2,275$586$1,689$311,236
111$2,275$590$1,686$310,646
112$2,275$593$1,683$310,053
113$2,275$596$1,679$309,457
114$2,275$599$1,676$308,858
115$2,275$602$1,673$308,256
116$2,275$606$1,670$307,650
117$2,275$609$1,666$307,041
118$2,275$612$1,663$306,429
119$2,275$616$1,660$305,813
120$2,275$619$1,656$305,194
121$2,275$622$1,653$304,572
122$2,275$626$1,650$303,946
123$2,275$629$1,646$303,317
124$2,275$632$1,643$302,685
125$2,275$636$1,640$302,049
126$2,275$639$1,636$301,409
127$2,275$643$1,633$300,766
128$2,275$646$1,629$300,120
129$2,275$650$1,626$299,470
130$2,275$653$1,622$298,817
131$2,275$657$1,619$298,160
132$2,275$660$1,615$297,500
133$2,275$664$1,611$296,836
134$2,275$668$1,608$296,168
135$2,275$671$1,604$295,497
136$2,275$675$1,601$294,822
137$2,275$678$1,597$294,144
138$2,275$682$1,593$293,462
139$2,275$686$1,590$292,776
140$2,275$690$1,586$292,086
141$2,275$693$1,582$291,393
142$2,275$697$1,578$290,696
143$2,275$701$1,575$289,995
144$2,275$705$1,571$289,290
145$2,275$708$1,567$288,582
146$2,275$712$1,563$287,869
147$2,275$716$1,559$287,153
148$2,275$720$1,555$286,433
149$2,275$724$1,552$285,709
150$2,275$728$1,548$284,982
151$2,275$732$1,544$284,250
152$2,275$736$1,540$283,514
153$2,275$740$1,536$282,774
154$2,275$744$1,532$282,030
155$2,275$748$1,528$281,283
156$2,275$752$1,524$280,531
157$2,275$756$1,520$279,775
158$2,275$760$1,515$279,015
159$2,275$764$1,511$278,251
160$2,275$768$1,507$277,483
161$2,275$772$1,503$276,710
162$2,275$777$1,499$275,934
163$2,275$781$1,495$275,153
164$2,275$785$1,490$274,368
165$2,275$789$1,486$273,578
166$2,275$794$1,482$272,785
167$2,275$798$1,478$271,987
168$2,275$802$1,473$271,185
169$2,275$807$1,469$270,378
170$2,275$811$1,465$269,567
171$2,275$815$1,460$268,752
172$2,275$820$1,456$267,932
173$2,275$824$1,451$267,108
174$2,275$829$1,447$266,280
175$2,275$833$1,442$265,447
176$2,275$838$1,438$264,609
177$2,275$842$1,433$263,767
178$2,275$847$1,429$262,920
179$2,275$851$1,424$262,069
180$2,275$856$1,420$261,213
181$2,275$861$1,415$260,352
182$2,275$865$1,410$259,487
183$2,275$870$1,406$258,617
184$2,275$875$1,401$257,743
185$2,275$879$1,396$256,863
186$2,275$884$1,391$255,979
187$2,275$889$1,387$255,090
188$2,275$894$1,382$254,197
189$2,275$899$1,377$253,298
190$2,275$903$1,372$252,395
191$2,275$908$1,367$251,486
192$2,275$913$1,362$250,573
193$2,275$918$1,357$249,655
194$2,275$923$1,352$248,732
195$2,275$928$1,347$247,804
196$2,275$933$1,342$246,870
197$2,275$938$1,337$245,932
198$2,275$943$1,332$244,989
199$2,275$948$1,327$244,041
200$2,275$954$1,322$243,087
201$2,275$959$1,317$242,128
202$2,275$964$1,312$241,164
203$2,275$969$1,306$240,195
204$2,275$974$1,301$239,221
205$2,275$980$1,296$238,241
206$2,275$985$1,290$237,256
207$2,275$990$1,285$236,266
208$2,275$996$1,280$235,270
209$2,275$1,001$1,274$234,269
210$2,275$1,006$1,269$233,263
211$2,275$1,012$1,264$232,251
212$2,275$1,017$1,258$231,233
213$2,275$1,023$1,253$230,210
214$2,275$1,028$1,247$229,182
215$2,275$1,034$1,241$228,148
216$2,275$1,040$1,236$227,108
217$2,275$1,045$1,230$226,063
218$2,275$1,051$1,225$225,012
219$2,275$1,057$1,219$223,955
220$2,275$1,062$1,213$222,893
221$2,275$1,068$1,207$221,825
222$2,275$1,074$1,202$220,751
223$2,275$1,080$1,196$219,671
224$2,275$1,086$1,190$218,586
225$2,275$1,091$1,184$217,494
226$2,275$1,097$1,178$216,397
227$2,275$1,103$1,172$215,294
228$2,275$1,109$1,166$214,184
229$2,275$1,115$1,160$213,069
230$2,275$1,121$1,154$211,948
231$2,275$1,127$1,148$210,820
232$2,275$1,134$1,142$209,687
233$2,275$1,140$1,136$208,547
234$2,275$1,146$1,130$207,401
235$2,275$1,152$1,123$206,249
236$2,275$1,158$1,117$205,091
237$2,275$1,165$1,111$203,927
238$2,275$1,171$1,105$202,756
239$2,275$1,177$1,098$201,579
240$2,275$1,184$1,092$200,395
241$2,275$1,190$1,085$199,205
242$2,275$1,196$1,079$198,009
243$2,275$1,203$1,073$196,806
244$2,275$1,209$1,066$195,596
245$2,275$1,216$1,059$194,380
246$2,275$1,223$1,053$193,158
247$2,275$1,229$1,046$191,929
248$2,275$1,236$1,040$190,693
249$2,275$1,243$1,033$189,450
250$2,275$1,249$1,026$188,201
251$2,275$1,256$1,019$186,945
252$2,275$1,263$1,013$185,682
253$2,275$1,270$1,006$184,412
254$2,275$1,277$999$183,136
255$2,275$1,283$992$181,852
256$2,275$1,290$985$180,562
257$2,275$1,297$978$179,265
258$2,275$1,304$971$177,960
259$2,275$1,311$964$176,649
260$2,275$1,319$957$175,330
261$2,275$1,326$950$174,004
262$2,275$1,333$943$172,672
263$2,275$1,340$935$171,331
264$2,275$1,347$928$169,984
265$2,275$1,355$921$168,629
266$2,275$1,362$913$167,267
267$2,275$1,369$906$165,898
268$2,275$1,377$899$164,521
269$2,275$1,384$891$163,137
270$2,275$1,392$884$161,745
271$2,275$1,399$876$160,346
272$2,275$1,407$869$158,939
273$2,275$1,415$861$157,524
274$2,275$1,422$853$156,102
275$2,275$1,430$846$154,672
276$2,275$1,438$838$153,234
277$2,275$1,445$830$151,789
278$2,275$1,453$822$150,336
279$2,275$1,461$814$148,875
280$2,275$1,469$806$147,406
281$2,275$1,477$798$145,929
282$2,275$1,485$790$144,444
283$2,275$1,493$782$142,951
284$2,275$1,501$774$141,449
285$2,275$1,509$766$139,940
286$2,275$1,517$758$138,423
287$2,275$1,526$750$136,897
288$2,275$1,534$742$135,363
289$2,275$1,542$733$133,821
290$2,275$1,551$725$132,270
291$2,275$1,559$716$130,711
292$2,275$1,567$708$129,144
293$2,275$1,576$700$127,568
294$2,275$1,584$691$125,984
295$2,275$1,593$682$124,391
296$2,275$1,602$674$122,789
297$2,275$1,610$665$121,179
298$2,275$1,619$656$119,559
299$2,275$1,628$648$117,932
300$2,275$1,637$639$116,295
301$2,275$1,646$630$114,649
302$2,275$1,654$621$112,995
303$2,275$1,663$612$111,332
304$2,275$1,672$603$109,659
305$2,275$1,681$594$107,978
306$2,275$1,691$585$106,287
307$2,275$1,700$576$104,588
308$2,275$1,709$567$102,879
309$2,275$1,718$557$101,160
310$2,275$1,727$548$99,433
311$2,275$1,737$539$97,696
312$2,275$1,746$529$95,950
313$2,275$1,756$520$94,194
314$2,275$1,765$510$92,429
315$2,275$1,775$501$90,654
316$2,275$1,784$491$88,870
317$2,275$1,794$481$87,076
318$2,275$1,804$472$85,272
319$2,275$1,814$462$83,458
320$2,275$1,823$452$81,635
321$2,275$1,833$442$79,802
322$2,275$1,843$432$77,958
323$2,275$1,853$422$76,105
324$2,275$1,863$412$74,242
325$2,275$1,873$402$72,369
326$2,275$1,883$392$70,485
327$2,275$1,894$382$68,592
328$2,275$1,904$372$66,688
329$2,275$1,914$361$64,774
330$2,275$1,925$351$62,849
331$2,275$1,935$340$60,914
332$2,275$1,945$330$58,968
333$2,275$1,956$319$57,012
334$2,275$1,967$309$55,046
335$2,275$1,977$298$53,068
336$2,275$1,988$287$51,081
337$2,275$1,999$277$49,082
338$2,275$2,010$266$47,072
339$2,275$2,020$255$45,052
340$2,275$2,031$244$43,020
341$2,275$2,042$233$40,978
342$2,275$2,053$222$38,924
343$2,275$2,065$211$36,860
344$2,275$2,076$200$34,784
345$2,275$2,087$188$32,697
346$2,275$2,098$177$30,599
347$2,275$2,110$166$28,489
348$2,275$2,121$154$26,368
349$2,275$2,133$143$24,235
350$2,275$2,144$131$22,091
351$2,275$2,156$120$19,935
352$2,275$2,167$108$17,768
353$2,275$2,179$96$15,589
354$2,275$2,191$84$13,398
355$2,275$2,203$73$11,195
356$2,275$2,215$61$8,980
357$2,275$2,227$49$6,753
358$2,275$2,239$37$4,514
359$2,275$2,251$24$2,263
360$2,275$2,263$12$0

How to use this calculator

Understanding an amortization schedule

An amortization schedule is a month-by-month table that shows how each payment is split between interest and principal. It also tracks the remaining balance after each payment. For fixed-rate loans, the payment is usually constant, but the mix of interest and principal changes over time.

The schedule is useful for planning because it makes the cost of borrowing transparent. You can see how much interest you pay in the early months, how quickly your balance declines, and how much interest you avoid when you make extra payments.

This tool is designed for clarity: it shows the full schedule and a clean balance chart so you can connect the numbers to the payoff timeline.

How to read the schedule table

Each row represents one month. The “Payment” is the amount applied that month, “Interest” is the charge for borrowing (based on that month’s starting balance), and “Principal” is the part that reduces the balance. The ending “Balance” is what remains after the principal portion is applied.

The important insight is that interest is not a fixed dollar amount. Even if the payment stays the same, interest declines as the balance declines. That means principal increases over time, which is why the balance curve is slow at first and faster later.

Extra payments and early payoff

Extra monthly payments typically apply to principal. Paying down principal earlier reduces the base on which interest is calculated in every future month. Over long terms, this can reduce both total interest and the number of payments.

When you add an extra payment, compare the new payoff months to the original term. The difference is “time bought back.” For many borrowers, the value of extra payments is not just interest saved, but also flexibility: you can choose to stop extra payments later if your cash flow changes.

Where schedules differ in real life

Real lenders may compute interest daily, handle partial months differently, and round to the nearest cent. Some loans have escrow, fees, or adjustable rates that change the payment over time. Those details can make a real statement differ slightly from a simplified schedule.

Even with those caveats, the schedule is extremely useful. It explains the direction and magnitude of the trade-offs. Use it as a decision-making tool, then confirm exact terms with your lender or official loan documents.

Using the schedule for better decisions

A schedule helps you answer practical questions: When will the balance fall below a certain threshold? How much interest will I pay in the next 12 months? What happens if I add a small extra payment? These questions matter for refinancing, budgeting, and planning.

If you plan to sell the asset or refinance before the loan ends, focus on the balance at your expected exit month and the interest paid up to that point. Total interest over the full term may be less relevant if you do not keep the loan for the full duration.

For financial planning, clarity beats precision. The schedule is a transparent model that makes trade-offs visible and supports better choices even when real-world details differ slightly.

You can also review Loan Calculator and Loan Comparison Calculator to compare scenarios.

Formula

  • Monthly rate: r = APR / 12
  • Monthly payment: M = P × r × (1 + r)^n / ((1 + r)^n − 1)
  • Interest (month t): I_t = Balance_{t-1} × r
  • Principal (month t): Pr_t = M − I_t
  • New balance: Balance_t = Balance_{t-1} − Pr_t

Example

  1. Set principal to $360,000, APR to 6.50%, and term to 30 years.
  2. Review the base monthly payment and the month-by-month schedule.
  3. Add an extra payment to see how the payoff time and total interest change.
  4. Result: a base payment of $2,275.44 and $459,160 of interest over 360 months.
  5. Adding $200 a month pays the loan off in 287 months, about 6 years early, and saves about $108,917 in interest.

15-year vs 30-year loans

$360,000 borrowed with no extra payments.

Interest rate (APR)TermMonthly payment (base)Total interest
5.5%15 years$2,942$169,470
5.5%30 years$2,044$375,855
6.5%15 years$3,136$204,478
6.5%30 years$2,275$459,160
7.5%15 years$3,337$240,704
7.5%30 years$2,517$546,182

Frequently asked questions

Why is the payment split changing each month?

Interest is calculated on the current balance. As the balance declines, interest declines and more of the fixed payment goes toward principal.

What does an extra payment do?

Extra payments typically reduce principal faster, which reduces future interest and shortens the loan.

Does this include fees or PMI?

No. The schedule focuses on principal and interest. Fees, taxes, insurance, and PMI vary by lender and location.

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