房贷计算器

估算每月房贷还款,查看本金与利息如何随时间变化,并了解额外还款能为你省下多少——全部在你的浏览器中计算。

$
$
Amount paid upfront. The loan covers the rest.
%
The calendar year the loan begins (assumed to start in January).
$
$
$
$
Extra principal paid every month shortens your loan.
$
每月还款¥2,573
本金和利息
¥2,023
房产税
¥400
保险
¥150
贷款金额
¥320,000
总利息
¥408,141
还款总额
¥728,141
还清时间
30 yr
Payoff date
Dec 2054
节省利息(额外还款)
¥0
缩短时间(额外还款)
0 mo

在 ¥320,000 的贷款下,你每月的本金和利息为 ¥2,023,含税险的每月总还款为 ¥2,573。在整个期限内你将支付 ¥408,141 的利息。

Principal vs. interest over time

Each year's payment split — watch interest shrink as the balance falls.

View data table
YearPrincipalInterest
1$3,577$20,695
2$3,816$20,455
4$4,345$19,927
5$4,636$19,636
6$4,946$19,325
7$5,277$18,994
9$6,008$18,264
10$6,410$17,861
11$6,839$17,432
12$7,297$16,974
14$8,308$15,964
15$8,864$15,407
16$9,458$14,814
17$10,091$14,180
19$11,488$12,784
20$12,257$12,014
21$13,078$11,193
22$13,954$10,317
24$15,886$8,386
25$16,950$7,322
26$18,085$6,187
27$19,296$4,976
29$21,967$2,304
30$23,436$833

Monthly payment breakdown

Total$2,573
  • Principal & Interest$2,023
  • Property Tax$400
  • Insurance$150
View data table
CategoryValue
Principal & Interest$2,023
Property Tax$400
Insurance$150

Balance: with vs. without extra payments

View data table
YearWithout extraWith extra
0$319,711$319,711
1$314,863$314,863
3$309,922$309,922
4$304,191$304,191
5$298,348$298,348
7$291,572$291,572
8$284,184$284,184
9$276,654$276,654
11$267,919$267,919
12$259,015$259,015
13$248,688$248,688
14$237,429$237,429
16$225,952$225,952
17$212,640$212,640
18$198,126$198,126
20$183,332$183,332
21$166,172$166,172
22$148,681$148,681
24$128,393$128,393
25$106,273$106,273
26$83,726$83,726
27$57,574$57,574
29$30,917$30,917
30$0$0

Payment sensitivity to interest rate

How your principal & interest changes as rates move.

View data table
Rate %Monthly P&I
4$1,437
4$1,482
4$1,528
4$1,574
5$1,621
5$1,669
5$1,718
5$1,767
6$1,817
6$1,867
6$1,919
6$1,970
7$2,076
7$2,129
7$2,183
8$2,237
8$2,293
8$2,348
8$2,404
9$2,461
9$2,517
9$2,575
9$2,633
10$2,691

Full amortization schedule

Every monthly payment, grouped by year — expand a year to see its principal, interest, and remaining balance.

Year 1Principal $3,577 · Interest $20,695 · Balance $316,423
MonthPaymentPrincipalInterestBalance
1$2,023$289$1,733$319,711
2$2,023$291$1,732$319,420
3$2,023$292$1,730$319,127
4$2,023$294$1,729$318,833
5$2,023$296$1,727$318,538
6$2,023$297$1,725$318,241
7$2,023$299$1,724$317,942
8$2,023$300$1,722$317,641
9$2,023$302$1,721$317,339
10$2,023$304$1,719$317,036
11$2,023$305$1,717$316,730
12$2,023$307$1,716$316,423
Year 2Principal $3,816 · Interest $20,455 · Balance $312,607
MonthPaymentPrincipalInterestBalance
13$2,023$309$1,714$316,115
14$2,023$310$1,712$315,804
15$2,023$312$1,711$315,492
16$2,023$314$1,709$315,179
17$2,023$315$1,707$314,863
18$2,023$317$1,706$314,546
19$2,023$319$1,704$314,227
20$2,023$321$1,702$313,907
21$2,023$322$1,700$313,584
22$2,023$324$1,699$313,260
23$2,023$326$1,697$312,935
24$2,023$328$1,695$312,607
Year 3Principal $4,072 · Interest $20,200 · Balance $308,535
MonthPaymentPrincipalInterestBalance
25$2,023$329$1,693$312,278
26$2,023$331$1,692$311,947
27$2,023$333$1,690$311,614
28$2,023$335$1,688$311,279
29$2,023$337$1,686$310,942
30$2,023$338$1,684$310,604
31$2,023$340$1,682$310,264
32$2,023$342$1,681$309,922
33$2,023$344$1,679$309,578
34$2,023$346$1,677$309,232
35$2,023$348$1,675$308,885
36$2,023$350$1,673$308,535
Year 4Principal $4,345 · Interest $19,927 · Balance $304,191
MonthPaymentPrincipalInterestBalance
37$2,023$351$1,671$308,184
38$2,023$353$1,669$307,830
39$2,023$355$1,667$307,475
40$2,023$357$1,665$307,118
41$2,023$359$1,664$306,759
42$2,023$361$1,662$306,398
43$2,023$363$1,660$306,035
44$2,023$365$1,658$305,670
45$2,023$367$1,656$305,303
46$2,023$369$1,654$304,934
47$2,023$371$1,652$304,563
48$2,023$373$1,650$304,191
Year 5Principal $4,636 · Interest $19,636 · Balance $299,555
MonthPaymentPrincipalInterestBalance
49$2,023$375$1,648$303,816
50$2,023$377$1,646$303,439
51$2,023$379$1,644$303,060
52$2,023$381$1,642$302,679
53$2,023$383$1,640$302,295
54$2,023$385$1,637$301,910
55$2,023$387$1,635$301,523
56$2,023$389$1,633$301,134
57$2,023$391$1,631$300,742
58$2,023$394$1,629$300,349
59$2,023$396$1,627$299,953
60$2,023$398$1,625$299,555
Year 6Principal $4,946 · Interest $19,325 · Balance $294,609
MonthPaymentPrincipalInterestBalance
61$2,023$400$1,623$299,155
62$2,023$402$1,620$298,753
63$2,023$404$1,618$298,348
64$2,023$407$1,616$297,942
65$2,023$409$1,614$297,533
66$2,023$411$1,612$297,122
67$2,023$413$1,609$296,709
68$2,023$415$1,607$296,293
69$2,023$418$1,605$295,876
70$2,023$420$1,603$295,456
71$2,023$422$1,600$295,033
72$2,023$425$1,598$294,609
Year 7Principal $5,277 · Interest $18,994 · Balance $289,332
MonthPaymentPrincipalInterestBalance
73$2,023$427$1,596$294,182
74$2,023$429$1,593$293,753
75$2,023$431$1,591$293,322
76$2,023$434$1,589$292,888
77$2,023$436$1,586$292,452
78$2,023$439$1,584$292,013
79$2,023$441$1,582$291,572
80$2,023$443$1,579$291,129
81$2,023$446$1,577$290,683
82$2,023$448$1,575$290,235
83$2,023$451$1,572$289,785
84$2,023$453$1,570$289,332
Year 8Principal $5,631 · Interest $18,641 · Balance $283,701
MonthPaymentPrincipalInterestBalance
85$2,023$455$1,567$288,876
86$2,023$458$1,565$288,418
87$2,023$460$1,562$287,958
88$2,023$463$1,560$287,495
89$2,023$465$1,557$287,030
90$2,023$468$1,555$286,562
91$2,023$470$1,552$286,092
92$2,023$473$1,550$285,619
93$2,023$476$1,547$285,143
94$2,023$478$1,545$284,665
95$2,023$481$1,542$284,184
96$2,023$483$1,539$283,701
Year 9Principal $6,008 · Interest $18,264 · Balance $277,693
MonthPaymentPrincipalInterestBalance
97$2,023$486$1,537$283,215
98$2,023$489$1,534$282,727
99$2,023$491$1,531$282,235
100$2,023$494$1,529$281,742
101$2,023$497$1,526$281,245
102$2,023$499$1,523$280,746
103$2,023$502$1,521$280,244
104$2,023$505$1,518$279,739
105$2,023$507$1,515$279,232
106$2,023$510$1,513$278,722
107$2,023$513$1,510$278,209
108$2,023$516$1,507$277,693
Year 10Principal $6,410 · Interest $17,861 · Balance $271,283
MonthPaymentPrincipalInterestBalance
109$2,023$518$1,504$277,175
110$2,023$521$1,501$276,654
111$2,023$524$1,499$276,130
112$2,023$527$1,496$275,603
113$2,023$530$1,493$275,073
114$2,023$533$1,490$274,540
115$2,023$536$1,487$274,005
116$2,023$538$1,484$273,466
117$2,023$541$1,481$272,925
118$2,023$544$1,478$272,381
119$2,023$547$1,475$271,833
120$2,023$550$1,472$271,283
Year 11Principal $6,839 · Interest $17,432 · Balance $264,444
MonthPaymentPrincipalInterestBalance
121$2,023$553$1,469$270,730
122$2,023$556$1,466$270,174
123$2,023$559$1,463$269,615
124$2,023$562$1,460$269,053
125$2,023$565$1,457$268,487
126$2,023$568$1,454$267,919
127$2,023$571$1,451$267,348
128$2,023$574$1,448$266,773
129$2,023$578$1,445$266,195
130$2,023$581$1,442$265,615
131$2,023$584$1,439$265,031
132$2,023$587$1,436$264,444
Year 12Principal $7,297 · Interest $16,974 · Balance $257,146
MonthPaymentPrincipalInterestBalance
133$2,023$590$1,432$263,854
134$2,023$593$1,429$263,260
135$2,023$597$1,426$262,664
136$2,023$600$1,423$262,064
137$2,023$603$1,420$261,461
138$2,023$606$1,416$260,854
139$2,023$610$1,413$260,245
140$2,023$613$1,410$259,632
141$2,023$616$1,406$259,015
142$2,023$620$1,403$258,396
143$2,023$623$1,400$257,773
144$2,023$626$1,396$257,146
Year 13Principal $7,786 · Interest $16,485 · Balance $249,360
MonthPaymentPrincipalInterestBalance
145$2,023$630$1,393$256,517
146$2,023$633$1,389$255,883
147$2,023$637$1,386$255,247
148$2,023$640$1,383$254,607
149$2,023$644$1,379$253,963
150$2,023$647$1,376$253,316
151$2,023$650$1,372$252,666
152$2,023$654$1,369$252,012
153$2,023$658$1,365$251,354
154$2,023$661$1,362$250,693
155$2,023$665$1,358$250,029
156$2,023$668$1,354$249,360
Year 14Principal $8,308 · Interest $15,964 · Balance $241,053
MonthPaymentPrincipalInterestBalance
157$2,023$672$1,351$248,688
158$2,023$676$1,347$248,013
159$2,023$679$1,343$247,334
160$2,023$683$1,340$246,651
161$2,023$687$1,336$245,964
162$2,023$690$1,332$245,274
163$2,023$694$1,329$244,580
164$2,023$698$1,325$243,882
165$2,023$702$1,321$243,180
166$2,023$705$1,317$242,475
167$2,023$709$1,313$241,766
168$2,023$713$1,310$241,053
Year 15Principal $8,864 · Interest $15,407 · Balance $232,189
MonthPaymentPrincipalInterestBalance
169$2,023$717$1,306$240,336
170$2,023$721$1,302$239,615
171$2,023$725$1,298$238,890
172$2,023$729$1,294$238,162
173$2,023$733$1,290$237,429
174$2,023$737$1,286$236,692
175$2,023$741$1,282$235,952
176$2,023$745$1,278$235,207
177$2,023$749$1,274$234,459
178$2,023$753$1,270$233,706
179$2,023$757$1,266$232,949
180$2,023$761$1,262$232,189
Year 16Principal $9,458 · Interest $14,814 · Balance $222,731
MonthPaymentPrincipalInterestBalance
181$2,023$765$1,258$231,424
182$2,023$769$1,254$230,655
183$2,023$773$1,249$229,881
184$2,023$777$1,245$229,104
185$2,023$782$1,241$228,322
186$2,023$786$1,237$227,536
187$2,023$790$1,232$226,746
188$2,023$794$1,228$225,952
189$2,023$799$1,224$225,153
190$2,023$803$1,220$224,350
191$2,023$807$1,215$223,543
192$2,023$812$1,211$222,731
Year 17Principal $10,091 · Interest $14,180 · Balance $212,640
MonthPaymentPrincipalInterestBalance
193$2,023$816$1,206$221,915
194$2,023$821$1,202$221,094
195$2,023$825$1,198$220,269
196$2,023$830$1,193$219,440
197$2,023$834$1,189$218,606
198$2,023$839$1,184$217,767
199$2,023$843$1,180$216,924
200$2,023$848$1,175$216,077
201$2,023$852$1,170$215,224
202$2,023$857$1,166$214,367
203$2,023$861$1,161$213,506
204$2,023$866$1,156$212,640
Year 18Principal $10,767 · Interest $13,505 · Balance $201,873
MonthPaymentPrincipalInterestBalance
205$2,023$871$1,152$211,769
206$2,023$876$1,147$210,894
207$2,023$880$1,142$210,013
208$2,023$885$1,138$209,128
209$2,023$890$1,133$208,238
210$2,023$895$1,128$207,344
211$2,023$900$1,123$206,444
212$2,023$904$1,118$205,540
213$2,023$909$1,113$204,631
214$2,023$914$1,108$203,716
215$2,023$919$1,103$202,797
216$2,023$924$1,098$201,873
Year 19Principal $11,488 · Interest $12,784 · Balance $190,385
MonthPaymentPrincipalInterestBalance
217$2,023$929$1,093$200,944
218$2,023$934$1,088$200,010
219$2,023$939$1,083$199,070
220$2,023$944$1,078$198,126
221$2,023$949$1,073$197,177
222$2,023$955$1,068$196,222
223$2,023$960$1,063$195,262
224$2,023$965$1,058$194,297
225$2,023$970$1,052$193,327
226$2,023$975$1,047$192,352
227$2,023$981$1,042$191,371
228$2,023$986$1,037$190,385
Year 20Principal $12,257 · Interest $12,014 · Balance $178,128
MonthPaymentPrincipalInterestBalance
229$2,023$991$1,031$189,394
230$2,023$997$1,026$188,397
231$2,023$1,002$1,020$187,395
232$2,023$1,008$1,015$186,387
233$2,023$1,013$1,010$185,374
234$2,023$1,019$1,004$184,356
235$2,023$1,024$999$183,332
236$2,023$1,030$993$182,302
237$2,023$1,035$987$181,267
238$2,023$1,041$982$180,226
239$2,023$1,046$976$179,180
240$2,023$1,052$971$178,128
Year 21Principal $13,078 · Interest $11,193 · Balance $165,050
MonthPaymentPrincipalInterestBalance
241$2,023$1,058$965$177,070
242$2,023$1,063$959$176,007
243$2,023$1,069$953$174,937
244$2,023$1,075$948$173,862
245$2,023$1,081$942$172,781
246$2,023$1,087$936$171,695
247$2,023$1,093$930$170,602
248$2,023$1,099$924$169,504
249$2,023$1,104$918$168,399
250$2,023$1,110$912$167,289
251$2,023$1,116$906$166,172
252$2,023$1,123$900$165,050
Year 22Principal $13,954 · Interest $10,317 · Balance $151,096
MonthPaymentPrincipalInterestBalance
253$2,023$1,129$894$163,921
254$2,023$1,135$888$162,786
255$2,023$1,141$882$161,645
256$2,023$1,147$876$160,498
257$2,023$1,153$869$159,345
258$2,023$1,160$863$158,186
259$2,023$1,166$857$157,020
260$2,023$1,172$851$155,848
261$2,023$1,178$844$154,669
262$2,023$1,185$838$153,484
263$2,023$1,191$831$152,293
264$2,023$1,198$825$151,096
Year 23Principal $14,889 · Interest $9,383 · Balance $136,207
MonthPaymentPrincipalInterestBalance
265$2,023$1,204$818$149,891
266$2,023$1,211$812$148,681
267$2,023$1,217$805$147,463
268$2,023$1,224$799$146,240
269$2,023$1,230$792$145,009
270$2,023$1,237$785$143,772
271$2,023$1,244$779$142,528
272$2,023$1,251$772$141,277
273$2,023$1,257$765$140,020
274$2,023$1,264$758$138,756
275$2,023$1,271$752$137,485
276$2,023$1,278$745$136,207
Year 24Principal $15,886 · Interest $8,386 · Balance $120,321
MonthPaymentPrincipalInterestBalance
277$2,023$1,285$738$134,922
278$2,023$1,292$731$133,630
279$2,023$1,299$724$132,332
280$2,023$1,306$717$131,026
281$2,023$1,313$710$129,713
282$2,023$1,320$703$128,393
283$2,023$1,327$695$127,066
284$2,023$1,334$688$125,731
285$2,023$1,342$681$124,390
286$2,023$1,349$674$123,041
287$2,023$1,356$666$121,685
288$2,023$1,363$659$120,321
Year 25Principal $16,950 · Interest $7,322 · Balance $103,372
MonthPaymentPrincipalInterestBalance
289$2,023$1,371$652$118,950
290$2,023$1,378$644$117,572
291$2,023$1,386$637$116,186
292$2,023$1,393$629$114,793
293$2,023$1,401$622$113,392
294$2,023$1,408$614$111,984
295$2,023$1,416$607$110,568
296$2,023$1,424$599$109,144
297$2,023$1,431$591$107,713
298$2,023$1,439$583$106,273
299$2,023$1,447$576$104,826
300$2,023$1,455$568$103,372
Year 26Principal $18,085 · Interest $6,187 · Balance $85,287
MonthPaymentPrincipalInterestBalance
301$2,023$1,463$560$101,909
302$2,023$1,471$552$100,438
303$2,023$1,479$544$98,960
304$2,023$1,487$536$97,473
305$2,023$1,495$528$95,979
306$2,023$1,503$520$94,476
307$2,023$1,511$512$92,965
308$2,023$1,519$504$91,446
309$2,023$1,527$495$89,919
310$2,023$1,536$487$88,383
311$2,023$1,544$479$86,839
312$2,023$1,552$470$85,287
Year 27Principal $19,296 · Interest $4,976 · Balance $65,991
MonthPaymentPrincipalInterestBalance
313$2,023$1,561$462$83,726
314$2,023$1,569$454$82,157
315$2,023$1,578$445$80,580
316$2,023$1,586$436$78,993
317$2,023$1,595$428$77,399
318$2,023$1,603$419$75,795
319$2,023$1,612$411$74,183
320$2,023$1,621$402$72,562
321$2,023$1,630$393$70,933
322$2,023$1,638$384$69,294
323$2,023$1,647$375$67,647
324$2,023$1,656$366$65,991
Year 28Principal $20,588 · Interest $3,683 · Balance $45,403
MonthPaymentPrincipalInterestBalance
325$2,023$1,665$357$64,326
326$2,023$1,674$348$62,652
327$2,023$1,683$339$60,968
328$2,023$1,692$330$59,276
329$2,023$1,702$321$57,574
330$2,023$1,711$312$55,864
331$2,023$1,720$303$54,144
332$2,023$1,729$293$52,414
333$2,023$1,739$284$50,676
334$2,023$1,748$274$48,927
335$2,023$1,758$265$47,170
336$2,023$1,767$256$45,403
Year 29Principal $21,967 · Interest $2,304 · Balance $23,436
MonthPaymentPrincipalInterestBalance
337$2,023$1,777$246$43,626
338$2,023$1,786$236$41,840
339$2,023$1,796$227$40,044
340$2,023$1,806$217$38,238
341$2,023$1,816$207$36,423
342$2,023$1,825$197$34,597
343$2,023$1,835$187$32,762
344$2,023$1,845$177$30,917
345$2,023$1,855$167$29,062
346$2,023$1,865$157$27,196
347$2,023$1,875$147$25,321
348$2,023$1,885$137$23,436
Year 30Principal $23,436 · Interest $833 · Balance $0
MonthPaymentPrincipalInterestBalance
349$2,023$1,896$127$21,540
350$2,023$1,906$117$19,634
351$2,023$1,916$106$17,718
352$2,023$1,927$96$15,791
353$2,023$1,937$86$13,854
354$2,023$1,948$75$11,906
355$2,023$1,958$64$9,948
356$2,023$1,969$54$7,980
357$2,023$1,979$43$6,000
358$2,023$1,990$33$4,010
359$2,023$2,001$22$2,009
360$2,020$2,009$11$0

工作原理

输入你的数字,每月还款、摊还和还清日期会即时更新。所有计算都在你的浏览器本地完成,不会发送到任何服务器。

热门变体

常见问题

每月还款包含哪些部分?

包含本金和利息,以及你填写的每月房产税、房屋保险和物业费。

额外还款为什么能省钱?

每一笔额外还款都直接冲抵本金,未来的利息按更小的余额计算,因此能减少总利息并缩短还款期数。

我的数据会被上传吗?

不会。所有计算都在你的浏览器中进行,你输入的内容不会离开你的设备。

相关计算器

把这个计算器放到你的网站

免费、自适应、始终最新。复制以下嵌入代码:

<iframe src="https://example.com/embed/mortgage" width="100%" height="640" style="border:1px solid #e2e8f0;border-radius:12px" loading="lazy" title="房贷计算器"></iframe>

仅供参考——非财务建议。实际贷款条款、税费和保险因机构和地区而异。