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대출 이자 계산기원리금균등 · 원금균등 · 만기일시

월 상환액과 총이자, 회차별 상환표. 거치기간 없이 매월 후취 이자로 계산합니다.

%
상환 방식
입력값은 저장하지 않습니다.

원리금균등 · 매월 상환액

1,520,056

360회 동안 같은 금액을 냅니다.

대출 원금300,000,000원
상환 횟수360회 (30년)
총 이자247,220,123원
총 상환액 (원금 + 이자)547,220,123원
이자 ÷ 원금82.4%

세 가지 상환 방식 비교

같은 3억원을 연 4.5%로 360개월 빌려도 방식에 따라 총이자가 201,937,500원까지 차이 납니다.

방식첫 달마지막 달총 이자총 상환액
원리금균등1,520,0561,520,019247,220,123547,220,123
원금균등1,958,333836,578203,062,500503,062,500
만기일시1,125,000301,125,000405,000,000705,000,000

원리금균등

매달 내는 돈이 같습니다. 처음엔 이자 비중이 크고 갈수록 원금 비중이 커집니다. 월 상환액은 원금 × 월이율 ÷ (1 − (1 + 월이율)−개월수)로 구합니다. 가계 예산을 맞추기 쉬워 주택담보대출에서 가장 많이 씁니다.

원금균등

원금을 매달 똑같이(원금 ÷ 개월수) 갚고 남은 잔액에 이자를 붙입니다. 첫 달이 가장 많고 매달 조금씩 줄어듭니다. 잔액이 빨리 줄어 총이자가 세 방식 중 가장 적습니다.

만기일시

기간 내내 이자만 내고 만기에 원금을 한 번에 갚습니다. 월 부담은 가장 적지만 원금이 줄지 않아 총이자가 가장 많습니다. 전세자금대출이나 단기 신용대출에서 씁니다.

금리별 월 상환액 (3억원 · 360개월 · 원리금균등)

연 이자율월 상환액총 이자4.5% 대비 총이자 차이
3%1,264,812155,332,381-91,887,742
3.5%1,347,134184,968,289-62,251,834
4%1,432,246215,608,483-31,611,640
4.5%1,520,056247,220,1230
5%1,610,465279,767,291+32,547,168
5.5%1,703,367313,212,123+65,992,000
6%1,798,652347,514,304+100,294,181
7%1,995,907418,527,109+171,306,986

금리 0.5%p 차이가 총이자에서는 수백만원에서 수천만원이 됩니다. 대출 기간이 길수록 차이가 커지므로 금리 비교와 중도상환 계획을 함께 세우는 편이 낫습니다. 갈아탈 때 드는 비용은 중도상환수수료 계산기로 확인하세요.

회차별 상환표 보기 (360회)
회차상환금이자원금남은 원금
11,520,0561,125,000395,056299,604,944
21,520,0561,123,519396,537299,208,407
31,520,0561,122,032398,024298,810,383
41,520,0561,120,539399,517298,410,866
51,520,0561,119,041401,015298,009,851
61,520,0561,117,537402,519297,607,332
71,520,0561,116,027404,029297,203,303
81,520,0561,114,512405,544296,797,759
91,520,0561,112,992407,064296,390,695
101,520,0561,111,465408,591295,982,104
111,520,0561,109,933410,123295,571,981
121,520,0561,108,395411,661295,160,320
131,520,0561,106,851413,205294,747,115
141,520,0561,105,302414,754294,332,361
151,520,0561,103,746416,310293,916,051
161,520,0561,102,185417,871293,498,180
171,520,0561,100,618419,438293,078,742
181,520,0561,099,045421,011292,657,731
191,520,0561,097,466422,590292,235,141
201,520,0561,095,882424,174291,810,967
211,520,0561,094,291425,765291,385,202
221,520,0561,092,695427,361290,957,841
231,520,0561,091,092428,964290,528,877
241,520,0561,089,483430,573290,098,304
251,520,0561,087,869432,187289,666,117
261,520,0561,086,248433,808289,232,309
271,520,0561,084,621435,435288,796,874
281,520,0561,082,988437,068288,359,806
291,520,0561,081,349438,707287,921,099
301,520,0561,079,704440,352287,480,747
311,520,0561,078,053442,003287,038,744
321,520,0561,076,395443,661286,595,083
331,520,0561,074,732445,324286,149,759
341,520,0561,073,062446,994285,702,765
351,520,0561,071,385448,671285,254,094
361,520,0561,069,703450,353284,803,741
371,520,0561,068,014452,042284,351,699
381,520,0561,066,319453,737283,897,962
391,520,0561,064,617455,439283,442,523
401,520,0561,062,909457,147282,985,376
411,520,0561,061,195458,861282,526,515
421,520,0561,059,474460,582282,065,933
431,520,0561,057,747462,309281,603,624
441,520,0561,056,014464,042281,139,582
451,520,0561,054,273465,783280,673,799
461,520,0561,052,527467,529280,206,270
471,520,0561,050,774469,282279,736,988
481,520,0561,049,014471,042279,265,946
491,520,0561,047,247472,809278,793,137
501,520,0561,045,474474,582278,318,555
511,520,0561,043,695476,361277,842,194
521,520,0561,041,908478,148277,364,046
531,520,0561,040,115479,941276,884,105
541,520,0561,038,315481,741276,402,364
551,520,0561,036,509483,547275,918,817
561,520,0561,034,696485,360275,433,457
571,520,0561,032,875487,181274,946,276
581,520,0561,031,049489,007274,457,269
591,520,0561,029,215490,841273,966,428
601,520,0561,027,374492,682273,473,746
611,520,0561,025,527494,529272,979,217
621,520,0561,023,672496,384272,482,833
631,520,0561,021,811498,245271,984,588
641,520,0561,019,942500,114271,484,474
651,520,0561,018,067501,989270,982,485
661,520,0561,016,184503,872270,478,613
671,520,0561,014,295505,761269,972,852
681,520,0561,012,398507,658269,465,194
691,520,0561,010,494509,562268,955,632
701,520,0561,008,584511,472268,444,160
711,520,0561,006,666513,390267,930,770
721,520,0561,004,740515,316267,415,454
731,520,0561,002,808517,248266,898,206
741,520,0561,000,868519,188266,379,018
751,520,056998,921521,135265,857,883
761,520,056996,967523,089265,334,794
771,520,056995,005525,051264,809,743
781,520,056993,037527,019264,282,724
791,520,056991,060528,996263,753,728
801,520,056989,076530,980263,222,748
811,520,056987,085532,971262,689,777
821,520,056985,087534,969262,154,808
831,520,056983,081536,975261,617,833
841,520,056981,067538,989261,078,844
851,520,056979,046541,010260,537,834
861,520,056977,017543,039259,994,795
871,520,056974,980545,076259,449,719
881,520,056972,936547,120258,902,599
891,520,056970,885549,171258,353,428
901,520,056968,825551,231257,802,197
911,520,056966,758553,298257,248,899
921,520,056964,683555,373256,693,526
931,520,056962,601557,455256,136,071
941,520,056960,510559,546255,576,525
951,520,056958,412561,644255,014,881
961,520,056956,306563,750254,451,131
971,520,056954,192565,864253,885,267
981,520,056952,070567,986253,317,281
991,520,056949,940570,116252,747,165
1001,520,056947,802572,254252,174,911
1011,520,056945,656574,400251,600,511
1021,520,056943,502576,554251,023,957
1031,520,056941,340578,716250,445,241
1041,520,056939,170580,886249,864,355
1051,520,056936,991583,065249,281,290
1061,520,056934,805585,251248,696,039
1071,520,056932,610587,446248,108,593
1081,520,056930,407589,649247,518,944
1091,520,056928,196591,860246,927,084
1101,520,056925,977594,079246,333,005
1111,520,056923,749596,307245,736,698
1121,520,056921,513598,543245,138,155
1131,520,056919,268600,788244,537,367
1141,520,056917,015603,041243,934,326
1151,520,056914,754605,302243,329,024
1161,520,056912,484607,572242,721,452
1171,520,056910,205609,851242,111,601
1181,520,056907,919612,137241,499,464
1191,520,056905,623614,433240,885,031
1201,520,056903,319616,737240,268,294
1211,520,056901,006619,050239,649,244
1221,520,056898,685621,371239,027,873
1231,520,056896,355623,701238,404,172
1241,520,056894,016626,040237,778,132
1251,520,056891,668628,388237,149,744
1261,520,056889,312630,744236,519,000
1271,520,056886,946633,110235,885,890
1281,520,056884,572635,484235,250,406
1291,520,056882,189637,867234,612,539
1301,520,056879,797640,259233,972,280
1311,520,056877,396642,660233,329,620
1321,520,056874,986645,070232,684,550
1331,520,056872,567647,489232,037,061
1341,520,056870,139649,917231,387,144
1351,520,056867,702652,354230,734,790
1361,520,056865,255654,801230,079,989
1371,520,056862,800657,256229,422,733
1381,520,056860,335659,721228,763,012
1391,520,056857,861662,195228,100,817
1401,520,056855,378664,678227,436,139
1411,520,056852,886667,170226,768,969
1421,520,056850,384669,672226,099,297
1431,520,056847,872672,184225,427,113
1441,520,056845,352674,704224,752,409
1451,520,056842,822677,234224,075,175
1461,520,056840,282679,774223,395,401
1471,520,056837,733682,323222,713,078
1481,520,056835,174684,882222,028,196
1491,520,056832,606687,450221,340,746
1501,520,056830,028690,028220,650,718
1511,520,056827,440692,616219,958,102
1521,520,056824,843695,213219,262,889
1531,520,056822,236697,820218,565,069
1541,520,056819,619700,437217,864,632
1551,520,056816,992703,064217,161,568
1561,520,056814,356705,700216,455,868
1571,520,056811,710708,346215,747,522
1581,520,056809,053711,003215,036,519
1591,520,056806,387713,669214,322,850
1601,520,056803,711716,345213,606,505
1611,520,056801,024719,032212,887,473
1621,520,056798,328721,728212,165,745
1631,520,056795,622724,434211,441,311
1641,520,056792,905727,151210,714,160
1651,520,056790,178729,878209,984,282
1661,520,056787,441732,615209,251,667
1671,520,056784,694735,362208,516,305
1681,520,056781,936738,120207,778,185
1691,520,056779,168740,888207,037,297
1701,520,056776,390743,666206,293,631
1711,520,056773,601746,455205,547,176
1721,520,056770,802749,254204,797,922
1731,520,056767,992752,064204,045,858
1741,520,056765,172754,884203,290,974
1751,520,056762,341757,715202,533,259
1761,520,056759,500760,556201,772,703
1771,520,056756,648763,408201,009,295
1781,520,056753,785766,271200,243,024
1791,520,056750,911769,145199,473,879
1801,520,056748,027772,029198,701,850
1811,520,056745,132774,924197,926,926
1821,520,056742,226777,830197,149,096
1831,520,056739,309780,747196,368,349
1841,520,056736,381783,675195,584,674
1851,520,056733,443786,613194,798,061
1861,520,056730,493789,563194,008,498
1871,520,056727,532792,524193,215,974
1881,520,056724,560795,496192,420,478
1891,520,056721,577798,479191,621,999
1901,520,056718,582801,474190,820,525
1911,520,056715,577804,479190,016,046
1921,520,056712,560807,496189,208,550
1931,520,056709,532810,524188,398,026
1941,520,056706,493813,563187,584,463
1951,520,056703,442816,614186,767,849
1961,520,056700,379819,677185,948,172
1971,520,056697,306822,750185,125,422
1981,520,056694,220825,836184,299,586
1991,520,056691,123828,933183,470,653
2001,520,056688,015832,041182,638,612
2011,520,056684,895835,161181,803,451
2021,520,056681,763838,293180,965,158
2031,520,056678,619841,437180,123,721
2041,520,056675,464844,592179,279,129
2051,520,056672,297847,759178,431,370
2061,520,056669,118850,938177,580,432
2071,520,056665,927854,129176,726,303
2081,520,056662,724857,332175,868,971
2091,520,056659,509860,547175,008,424
2101,520,056656,282863,774174,144,650
2111,520,056653,042867,014173,277,636
2121,520,056649,791870,265172,407,371
2131,520,056646,528873,528171,533,843
2141,520,056643,252876,804170,657,039
2151,520,056639,964880,092169,776,947
2161,520,056636,664883,392168,893,555
2171,520,056633,351886,705168,006,850
2181,520,056630,026890,030167,116,820
2191,520,056626,688893,368166,223,452
2201,520,056623,338896,718165,326,734
2211,520,056619,975900,081164,426,653
2221,520,056616,600903,456163,523,197
2231,520,056613,212906,844162,616,353
2241,520,056609,811910,245161,706,108
2251,520,056606,398913,658160,792,450
2261,520,056602,972917,084159,875,366
2271,520,056599,533920,523158,954,843
2281,520,056596,081923,975158,030,868
2291,520,056592,616927,440157,103,428
2301,520,056589,138930,918156,172,510
2311,520,056585,647934,409155,238,101
2321,520,056582,143937,913154,300,188
2331,520,056578,626941,430153,358,758
2341,520,056575,095944,961152,413,797
2351,520,056571,552948,504151,465,293
2361,520,056567,995952,061150,513,232
2371,520,056564,425955,631149,557,601
2381,520,056560,841959,215148,598,386
2391,520,056557,244962,812147,635,574
2401,520,056553,633966,423146,669,151
2411,520,056550,009970,047145,699,104
2421,520,056546,372973,684144,725,420
2431,520,056542,720977,336143,748,084
2441,520,056539,055981,001142,767,083
2451,520,056535,377984,679141,782,404
2461,520,056531,684988,372140,794,032
2471,520,056527,978992,078139,801,954
2481,520,056524,257995,799138,806,155
2491,520,056520,523999,533137,806,622
2501,520,056516,7751,003,281136,803,341
2511,520,056513,0131,007,043135,796,298
2521,520,056509,2361,010,820134,785,478
2531,520,056505,4461,014,610133,770,868
2541,520,056501,6411,018,415132,752,453
2551,520,056497,8221,022,234131,730,219
2561,520,056493,9881,026,068130,704,151
2571,520,056490,1411,029,915129,674,236
2581,520,056486,2781,033,778128,640,458
2591,520,056482,4021,037,654127,602,804
2601,520,056478,5111,041,545126,561,259
2611,520,056474,6051,045,451125,515,808
2621,520,056470,6841,049,372124,466,436
2631,520,056466,7491,053,307123,413,129
2641,520,056462,7991,057,257122,355,872
2651,520,056458,8351,061,221121,294,651
2661,520,056454,8551,065,201120,229,450
2671,520,056450,8601,069,196119,160,254
2681,520,056446,8511,073,205118,087,049
2691,520,056442,8261,077,230117,009,819
2701,520,056438,7871,081,269115,928,550
2711,520,056434,7321,085,324114,843,226
2721,520,056430,6621,089,394113,753,832
2731,520,056426,5771,093,479112,660,353
2741,520,056422,4761,097,580111,562,773
2751,520,056418,3601,101,696110,461,077
2761,520,056414,2291,105,827109,355,250
2771,520,056410,0821,109,974108,245,276
2781,520,056405,9201,114,136107,131,140
2791,520,056401,7421,118,314106,012,826
2801,520,056397,5481,122,508104,890,318
2811,520,056393,3391,126,717103,763,601
2821,520,056389,1141,130,942102,632,659
2831,520,056384,8721,135,184101,497,475
2841,520,056380,6161,139,440100,358,035
2851,520,056376,3431,143,71399,214,322
2861,520,056372,0541,148,00298,066,320
2871,520,056367,7491,152,30796,914,013
2881,520,056363,4281,156,62895,757,385
2891,520,056359,0901,160,96694,596,419
2901,520,056354,7371,165,31993,431,100
2911,520,056350,3671,169,68992,261,411
2921,520,056345,9801,174,07691,087,335
2931,520,056341,5781,178,47889,908,857
2941,520,056337,1581,182,89888,725,959
2951,520,056332,7221,187,33487,538,625
2961,520,056328,2701,191,78686,346,839
2971,520,056323,8011,196,25585,150,584
2981,520,056319,3151,200,74183,949,843
2991,520,056314,8121,205,24482,744,599
3001,520,056310,2921,209,76481,534,835
3011,520,056305,7561,214,30080,320,535
3021,520,056301,2021,218,85479,101,681
3031,520,056296,6311,223,42577,878,256
3041,520,056292,0431,228,01376,650,243
3051,520,056287,4381,232,61875,417,625
3061,520,056282,8161,237,24074,180,385
3071,520,056278,1761,241,88072,938,505
3081,520,056273,5191,246,53771,691,968
3091,520,056268,8451,251,21170,440,757
3101,520,056264,1531,255,90369,184,854
3111,520,056259,4431,260,61367,924,241
3121,520,056254,7161,265,34066,658,901
3131,520,056249,9711,270,08565,388,816
3141,520,056245,2081,274,84864,113,968
3151,520,056240,4271,279,62962,834,339
3161,520,056235,6291,284,42761,549,912
3171,520,056230,8121,289,24460,260,668
3181,520,056225,9781,294,07858,966,590
3191,520,056221,1251,298,93157,667,659
3201,520,056216,2541,303,80256,363,857
3211,520,056211,3641,308,69255,055,165
3221,520,056206,4571,313,59953,741,566
3231,520,056201,5311,318,52552,423,041
3241,520,056196,5861,323,47051,099,571
3251,520,056191,6231,328,43349,771,138
3261,520,056186,6421,333,41448,437,724
3271,520,056181,6411,338,41547,099,309
3281,520,056176,6221,343,43445,755,875
3291,520,056171,5851,348,47144,407,404
3301,520,056166,5281,353,52843,053,876
3311,520,056161,4521,358,60441,695,272
3321,520,056156,3571,363,69940,331,573
3331,520,056151,2431,368,81338,962,760
3341,520,056146,1101,373,94637,588,814
3351,520,056140,9581,379,09836,209,716
3361,520,056135,7861,384,27034,825,446
3371,520,056130,5951,389,46133,435,985
3381,520,056125,3851,394,67132,041,314
3391,520,056120,1551,399,90130,641,413
3401,520,056114,9051,405,15129,236,262
3411,520,056109,6361,410,42027,825,842
3421,520,056104,3471,415,70926,410,133
3431,520,05699,0381,421,01824,989,115
3441,520,05693,7091,426,34723,562,768
3451,520,05688,3601,431,69622,131,072
3461,520,05682,9921,437,06420,694,008
3471,520,05677,6031,442,45319,251,555
3481,520,05672,1931,447,86317,803,692
3491,520,05666,7641,453,29216,350,400
3501,520,05661,3141,458,74214,891,658
3511,520,05655,8441,464,21213,427,446
3521,520,05650,3531,469,70311,957,743
3531,520,05644,8421,475,21410,482,529
3541,520,05639,3091,480,7479,001,782
3551,520,05633,7571,486,2997,515,483
3561,520,05628,1831,491,8736,023,610
3571,520,05622,5891,497,4674,526,143
3581,520,05616,9731,503,0833,023,060
3591,520,05611,3361,508,7201,514,340
3601,520,0195,6791,514,3400

자주 묻는 질문

원리금균등과 원금균등 중 뭐가 유리한가요?

총이자는 원금균등이 항상 적습니다. 원금을 빨리 갚아 이자가 붙는 잔액이 빨리 줄기 때문입니다. 대신 초기 상환액이 커서 매달 같은 금액을 내고 싶다면 원리금균등을 고릅니다. 은행 주택담보대출은 두 방식 모두 고를 수 있는 경우가 많습니다.

월 상환액은 어떻게 계산하나요?

원리금균등은 대출금 × 월이율 ÷ (1 − (1+월이율)^−개월수)입니다. 3억원을 연 4.5%로 30년 빌리면 월이율 0.375%, 360회로 월 약 152만원입니다. 원금균등은 매달 원금 ÷ 개월수에 남은 잔액의 이자를 더합니다.

거치기간이 있으면 어떻게 되나요?

거치기간에는 이자만 내고 원금은 거치 후 남은 기간 동안 갚습니다. 이 계산기는 거치 없이 계산하므로 거치기간을 넣고 싶다면 만기일시 방식으로 거치기간 이자를 따로 계산해 더하면 됩니다.

금리가 0.5%p 오르면 이자가 얼마나 늘어나나요?

3억원 30년 원리금균등 기준으로 4.5%에서 5%로 오르면 월 상환액이 약 9만원, 총이자가 약 3,200만원 늘어납니다. 아래 금리별 표에서 내 대출금 기준으로 확인할 수 있습니다.

DSR이란 무엇인가요?

총부채원리금상환비율로, 모든 대출의 연간 원리금 상환액을 연소득으로 나눈 값입니다. 은행권은 40%가 기준이라 연소득 5,000만원이면 연간 원리금 2,000만원(월 약 167만원)까지만 빌릴 수 있습니다. 이 계산기의 월 상환액 × 12를 연소득으로 나누면 대략의 DSR을 알 수 있습니다.

기준·출처 (2026년)

참고용 계산이며 실제 금액은 회사·금융회사의 산정 방식과 개인 사정에 따라 다를 수 있습니다. 입력값은 서버에 저장하지 않습니다. 요율이 바뀌면 개정 이력에 적고, 틀린 곳은 오류 제보로 알려 주세요.