购房首付计算器

由房屋总价和首付比例得到首付与贷款额,并继续估算月供。

更新于

选择城市后会填入该城市的参考利率或首付,之后仍可改。

取消勾选后按二套参考利率和首付重填,之后仍可改。

首付金额和贷款金额都按这个比例拆分。

默认值来自 2026-09-22 的站内参考快照,可改成合同或公告上的利率。

房屋总价 200万元、年利率 3.5%、贷款年限 30年、还款方式 等额本息,首付 300,000.00 元,贷款金额 1,700,000.00 元,月供 7,633.76 元。对照 2026-09-22 的站内参考快照,仅供参考。

首付

贷款金额1,700,000.00 元
月供7,633.76 元
总利息1,048,153.37 元

计算记录

记录只留在这台设备上,用来回看和对比,不会上传。

点「查看计算结果」或「保存这次」,这里会出现记录。

清空计算记录

这会删掉这台设备上保存的计算记录,删掉后不能恢复。

还款曲线

金额单位为元,左右滑动可看利息和剩余本金。

期数月供本金利息剩余本金
17,633.762,675.434,958.331,697,324.57
27,633.762,683.234,950.531,694,641.34
37,633.762,691.064,942.701,691,950.28
47,633.762,698.914,934.851,689,251.37
57,633.762,706.784,926.981,686,544.59
67,633.762,714.674,919.091,683,829.92
77,633.762,722.594,911.171,681,107.33
87,633.762,730.534,903.231,678,376.80
97,633.762,738.494,895.271,675,638.31
107,633.762,746.484,887.281,672,891.83
117,633.762,754.494,879.271,670,137.34
127,633.762,762.534,871.231,667,374.81
137,633.762,770.584,863.181,664,604.23
147,633.762,778.664,855.101,661,825.57
157,633.762,786.774,846.991,659,038.80
167,633.762,794.904,838.861,656,243.90
177,633.762,803.054,830.711,653,440.85
187,633.762,811.224,822.541,650,629.63
197,633.762,819.424,814.341,647,810.21
207,633.762,827.654,806.111,644,982.56
217,633.762,835.894,797.871,642,146.67
227,633.762,844.174,789.591,639,302.50
237,633.762,852.464,781.301,636,450.04
247,633.762,860.784,772.981,633,589.26
257,633.762,869.124,764.641,630,720.14
267,633.762,877.494,756.271,627,842.65
277,633.762,885.894,747.871,624,956.76
287,633.762,894.304,739.461,622,062.46
297,633.762,902.744,731.021,619,159.72
307,633.762,911.214,722.551,616,248.51
317,633.762,919.704,714.061,613,328.81
327,633.762,928.224,705.541,610,400.59
337,633.762,936.764,697.001,607,463.83
347,633.762,945.324,688.441,604,518.51
357,633.762,953.914,679.851,601,564.60
367,633.762,962.534,671.231,598,602.07
377,633.762,971.174,662.591,595,630.90
387,633.762,979.844,653.921,592,651.06
397,633.762,988.534,645.231,589,662.53
407,633.762,997.244,636.521,586,665.29
417,633.763,005.994,627.771,583,659.30
427,633.763,014.754,619.011,580,644.55
437,633.763,023.554,610.211,577,621.00
447,633.763,032.374,601.391,574,588.63
457,633.763,041.214,592.551,571,547.42
467,633.763,050.084,583.681,568,497.34
477,633.763,058.984,574.781,565,438.36
487,633.763,067.904,565.861,562,370.46
497,633.763,076.854,556.911,559,293.61
507,633.763,085.824,547.941,556,207.79
517,633.763,094.824,538.941,553,112.97
527,633.763,103.854,529.911,550,009.12
537,633.763,112.904,520.861,546,896.22
547,633.763,121.984,511.781,543,774.24
557,633.763,131.094,502.671,540,643.15
567,633.763,140.224,493.541,537,502.93
577,633.763,149.384,484.381,534,353.55
587,633.763,158.564,475.201,531,194.99
597,633.763,167.774,465.991,528,027.22
607,633.763,177.014,456.751,524,850.21
617,633.763,186.284,447.481,521,663.93
627,633.763,195.574,438.191,518,468.36
637,633.763,204.894,428.871,515,263.47
647,633.763,214.244,419.521,512,049.23
657,633.763,223.624,410.141,508,825.61
667,633.763,233.024,400.741,505,592.59
677,633.763,242.454,391.311,502,350.14
687,633.763,251.914,381.851,499,098.23
697,633.763,261.394,372.371,495,836.84
707,633.763,270.904,362.861,492,565.94
717,633.763,280.444,353.321,489,285.50
727,633.763,290.014,343.751,485,995.49
737,633.763,299.614,334.151,482,695.88
747,633.763,309.234,324.531,479,386.65
757,633.763,318.884,314.881,476,067.77
767,633.763,328.564,305.201,472,739.21
777,633.763,338.274,295.491,469,400.94
787,633.763,348.014,285.751,466,052.93
797,633.763,357.774,275.991,462,695.16
807,633.763,367.574,266.191,459,327.59
817,633.763,377.394,256.371,455,950.20
827,633.763,387.244,246.521,452,562.96
837,633.763,397.124,236.641,449,165.84
847,633.763,407.034,226.731,445,758.81
857,633.763,416.964,216.801,442,341.85
867,633.763,426.934,206.831,438,914.92
877,633.763,436.924,196.841,435,478.00
887,633.763,446.954,186.811,432,031.05
897,633.763,457.004,176.761,428,574.05
907,633.763,467.094,166.671,425,106.96
917,633.763,477.204,156.561,421,629.76
927,633.763,487.344,146.421,418,142.42
937,633.763,497.514,136.251,414,644.91
947,633.763,507.714,126.051,411,137.20
957,633.763,517.944,115.821,407,619.26
967,633.763,528.204,105.561,404,091.06
977,633.763,538.494,095.271,400,552.57
987,633.763,548.824,084.941,397,003.75
997,633.763,559.174,074.591,393,444.58
1007,633.763,569.554,064.211,389,875.03
1017,633.763,579.964,053.801,386,295.07
1027,633.763,590.404,043.361,382,704.67
1037,633.763,600.874,032.891,379,103.80
1047,633.763,611.374,022.391,375,492.43
1057,633.763,621.914,011.851,371,870.52
1067,633.763,632.474,001.291,368,238.05
1077,633.763,643.073,990.691,364,594.98
1087,633.763,653.693,980.071,360,941.29
1097,633.763,664.353,969.411,357,276.94
1107,633.763,675.043,958.721,353,601.90
1117,633.763,685.753,948.011,349,916.15
1127,633.763,696.503,937.261,346,219.65
1137,633.763,707.293,926.471,342,512.36
1147,633.763,718.103,915.661,338,794.26
1157,633.763,728.943,904.821,335,065.32
1167,633.763,739.823,893.941,331,325.50
1177,633.763,750.733,883.031,327,574.77
1187,633.763,761.673,872.091,323,813.10
1197,633.763,772.643,861.121,320,040.46
1207,633.763,783.643,850.121,316,256.82
1217,633.763,794.683,839.081,312,462.14
1227,633.763,805.753,828.011,308,656.39
1237,633.763,816.853,816.911,304,839.54
1247,633.763,827.983,805.781,301,011.56
1257,633.763,839.143,794.621,297,172.42
1267,633.763,850.343,783.421,293,322.08
1277,633.763,861.573,772.191,289,460.51
1287,633.763,872.833,760.931,285,587.68
1297,633.763,884.133,749.631,281,703.55
1307,633.763,895.463,738.301,277,808.09
1317,633.763,906.823,726.941,273,901.27
1327,633.763,918.213,715.551,269,983.06
1337,633.763,929.643,704.121,266,053.42
1347,633.763,941.103,692.661,262,112.32
1357,633.763,952.603,681.161,258,159.72
1367,633.763,964.133,669.631,254,195.59
1377,633.763,975.693,658.071,250,219.90
1387,633.763,987.293,646.471,246,232.61
1397,633.763,998.913,634.851,242,233.70
1407,633.764,010.583,623.181,238,223.12
1417,633.764,022.283,611.481,234,200.84
1427,633.764,034.013,599.751,230,166.83
1437,633.764,045.773,587.991,226,121.06
1447,633.764,057.573,576.191,222,063.49
1457,633.764,069.413,564.351,217,994.08
1467,633.764,081.283,552.481,213,912.80
1477,633.764,093.183,540.581,209,819.62
1487,633.764,105.123,528.641,205,714.50
1497,633.764,117.093,516.671,201,597.41
1507,633.764,129.103,504.661,197,468.31
1517,633.764,141.143,492.621,193,327.17
1527,633.764,153.223,480.541,189,173.95
1537,633.764,165.343,468.421,185,008.61
1547,633.764,177.483,456.281,180,831.13
1557,633.764,189.673,444.091,176,641.46
1567,633.764,201.893,431.871,172,439.57
1577,633.764,214.143,419.621,168,225.43
1587,633.764,226.443,407.321,163,998.99
1597,633.764,238.763,395.001,159,760.23
1607,633.764,251.133,382.631,155,509.10
1617,633.764,263.533,370.231,151,245.57
1627,633.764,275.963,357.801,146,969.61
1637,633.764,288.433,345.331,142,681.18
1647,633.764,300.943,332.821,138,380.24
1657,633.764,313.483,320.281,134,066.76
1667,633.764,326.073,307.691,129,740.69
1677,633.764,338.683,295.081,125,402.01
1687,633.764,351.343,282.421,121,050.67
1697,633.764,364.033,269.731,116,686.64
1707,633.764,376.763,257.001,112,309.88
1717,633.764,389.523,244.241,107,920.36
1727,633.764,402.333,231.431,103,518.03
1737,633.764,415.173,218.591,099,102.86
1747,633.764,428.043,205.721,094,674.82
1757,633.764,440.963,192.801,090,233.86
1767,633.764,453.913,179.851,085,779.95
1777,633.764,466.903,166.861,081,313.05
1787,633.764,479.933,153.831,076,833.12
1797,633.764,493.003,140.761,072,340.12
1807,633.764,506.103,127.661,067,834.02
1817,633.764,519.243,114.521,063,314.78
1827,633.764,532.433,101.331,058,782.35
1837,633.764,545.643,088.121,054,236.71
1847,633.764,558.903,074.861,049,677.81
1857,633.764,572.203,061.561,045,105.61
1867,633.764,585.543,048.221,040,520.07
1877,633.764,598.913,034.851,035,921.16
1887,633.764,612.323,021.441,031,308.84
1897,633.764,625.783,007.981,026,683.06
1907,633.764,639.272,994.491,022,043.79
1917,633.764,652.802,980.961,017,390.99
1927,633.764,666.372,967.391,012,724.62
1937,633.764,679.982,953.781,008,044.64
1947,633.764,693.632,940.131,003,351.01
1957,633.764,707.322,926.44998,643.69
1967,633.764,721.052,912.71993,922.64
1977,633.764,734.822,898.94989,187.82
1987,633.764,748.632,885.13984,439.19
1997,633.764,762.482,871.28979,676.71
2007,633.764,776.372,857.39974,900.34
2017,633.764,790.302,843.46970,110.04
2027,633.764,804.272,829.49965,305.77
2037,633.764,818.282,815.48960,487.49
2047,633.764,832.342,801.42955,655.15
2057,633.764,846.432,787.33950,808.72
2067,633.764,860.572,773.19945,948.15
2077,633.764,874.742,759.02941,073.41
2087,633.764,888.962,744.80936,184.45
2097,633.764,903.222,730.54931,281.23
2107,633.764,917.522,716.24926,363.71
2117,633.764,931.872,701.89921,431.84
2127,633.764,946.252,687.51916,485.59
2137,633.764,960.682,673.08911,524.91
2147,633.764,975.152,658.61906,549.76
2157,633.764,989.662,644.10901,560.10
2167,633.765,004.212,629.55896,555.89
2177,633.765,018.812,614.95891,537.08
2187,633.765,033.442,600.32886,503.64
2197,633.765,048.122,585.64881,455.52
2207,633.765,062.852,570.91876,392.67
2217,633.765,077.612,556.15871,315.06
2227,633.765,092.422,541.34866,222.64
2237,633.765,107.282,526.48861,115.36
2247,633.765,122.172,511.59855,993.19
2257,633.765,137.112,496.65850,856.08
2267,633.765,152.102,481.66845,703.98
2277,633.765,167.122,466.64840,536.86
2287,633.765,182.192,451.57835,354.67
2297,633.765,197.312,436.45830,157.36
2307,633.765,212.472,421.29824,944.89
2317,633.765,227.672,406.09819,717.22
2327,633.765,242.922,390.84814,474.30
2337,633.765,258.212,375.55809,216.09
2347,633.765,273.552,360.21803,942.54
2357,633.765,288.932,344.83798,653.61
2367,633.765,304.352,329.41793,349.26
2377,633.765,319.822,313.94788,029.44
2387,633.765,335.342,298.42782,694.10
2397,633.765,350.902,282.86777,343.20
2407,633.765,366.512,267.25771,976.69
2417,633.765,382.162,251.60766,594.53
2427,633.765,397.862,235.90761,196.67
2437,633.765,413.602,220.16755,783.07
2447,633.765,429.392,204.37750,353.68
2457,633.765,445.232,188.53744,908.45
2467,633.765,461.112,172.65739,447.34
2477,633.765,477.042,156.72733,970.30
2487,633.765,493.012,140.75728,477.29
2497,633.765,509.032,124.73722,968.26
2507,633.765,525.102,108.66717,443.16
2517,633.765,541.222,092.54711,901.94
2527,633.765,557.382,076.38706,344.56
2537,633.765,573.592,060.17700,770.97
2547,633.765,589.842,043.92695,181.13
2557,633.765,606.152,027.61689,574.98
2567,633.765,622.502,011.26683,952.48
2577,633.765,638.901,994.86678,313.58
2587,633.765,655.351,978.41672,658.23
2597,633.765,671.841,961.92666,986.39
2607,633.765,688.381,945.38661,298.01
2617,633.765,704.971,928.79655,593.04
2627,633.765,721.611,912.15649,871.43
2637,633.765,738.301,895.46644,133.13
2647,633.765,755.041,878.72638,378.09
2657,633.765,771.821,861.94632,606.27
2667,633.765,788.661,845.10626,817.61
2677,633.765,805.541,828.22621,012.07
2687,633.765,822.471,811.29615,189.60
2697,633.765,839.461,794.30609,350.14
2707,633.765,856.491,777.27603,493.65
2717,633.765,873.571,760.19597,620.08
2727,633.765,890.701,743.06591,729.38
2737,633.765,907.881,725.88585,821.50
2747,633.765,925.111,708.65579,896.39
2757,633.765,942.401,691.36573,953.99
2767,633.765,959.731,674.03567,994.26
2777,633.765,977.111,656.65562,017.15
2787,633.765,994.541,639.22556,022.61
2797,633.766,012.031,621.73550,010.58
2807,633.766,029.561,604.20543,981.02
2817,633.766,047.151,586.61537,933.87
2827,633.766,064.791,568.97531,869.08
2837,633.766,082.481,551.28525,786.60
2847,633.766,100.221,533.54519,686.38
2857,633.766,118.011,515.75513,568.37
2867,633.766,135.851,497.91507,432.52
2877,633.766,153.751,480.01501,278.77
2887,633.766,171.701,462.06495,107.07
2897,633.766,189.701,444.06488,917.37
2907,633.766,207.751,426.01482,709.62
2917,633.766,225.861,407.90476,483.76
2927,633.766,244.021,389.74470,239.74
2937,633.766,262.231,371.53463,977.51
2947,633.766,280.491,353.27457,697.02
2957,633.766,298.811,334.95451,398.21
2967,633.766,317.181,316.58445,081.03
2977,633.766,335.611,298.15438,745.42
2987,633.766,354.091,279.67432,391.33
2997,633.766,372.621,261.14426,018.71
3007,633.766,391.211,242.55419,627.50
3017,633.766,409.851,223.91413,217.65
3027,633.766,428.541,205.22406,789.11
3037,633.766,447.291,186.47400,341.82
3047,633.766,466.101,167.66393,875.72
3057,633.766,484.961,148.80387,390.76
3067,633.766,503.871,129.89380,886.89
3077,633.766,522.841,110.92374,364.05
3087,633.766,541.861,091.90367,822.19
3097,633.766,560.951,072.81361,261.24
3107,633.766,580.081,053.68354,681.16
3117,633.766,599.271,034.49348,081.89
3127,633.766,618.521,015.24341,463.37
3137,633.766,637.83995.93334,825.54
3147,633.766,657.19976.57328,168.35
3157,633.766,676.60957.16321,491.75
3167,633.766,696.08937.68314,795.67
3177,633.766,715.61918.15308,080.06
3187,633.766,735.19898.57301,344.87
3197,633.766,754.84878.92294,590.03
3207,633.766,774.54859.22287,815.49
3217,633.766,794.30839.46281,021.19
3227,633.766,814.11819.65274,207.08
3237,633.766,833.99799.77267,373.09
3247,633.766,853.92779.84260,519.17
3257,633.766,873.91759.85253,645.26
3267,633.766,893.96739.80246,751.30
3277,633.766,914.07719.69239,837.23
3287,633.766,934.23699.53232,903.00
3297,633.766,954.46679.30225,948.54
3307,633.766,974.74659.02218,973.80
3317,633.766,995.09638.67211,978.71
3327,633.767,015.49618.27204,963.22
3337,633.767,035.95597.81197,927.27
3347,633.767,056.47577.29190,870.80
3357,633.767,077.05556.71183,793.75
3367,633.767,097.69536.07176,696.06
3377,633.767,118.40515.36169,577.66
3387,633.767,139.16494.60162,438.50
3397,633.767,159.98473.78155,278.52
3407,633.767,180.86452.90148,097.66
3417,633.767,201.81431.95140,895.85
3427,633.767,222.81410.95133,673.04
3437,633.767,243.88389.88126,429.16
3447,633.767,265.01368.75119,164.15
3457,633.767,286.20347.56111,877.95
3467,633.767,307.45326.31104,570.50
3477,633.767,328.76305.0097,241.74
3487,633.767,350.14283.6289,891.60
3497,633.767,371.58262.1882,520.02
3507,633.767,393.08240.6875,126.94
3517,633.767,414.64219.1267,712.30
3527,633.767,436.27197.4960,276.03
3537,633.767,457.95175.8152,818.08
3547,633.767,479.71154.0545,338.37
3557,633.767,501.52132.2437,836.85
3567,633.767,523.40110.3630,313.45
3577,633.767,545.3588.4122,768.10
3587,633.767,567.3566.4115,200.75
3597,633.767,589.4244.347,611.33
3607,633.537,611.3322.200.00
明算 · · 购房首付计算器

计算说明

预算要同时看首付现金和以后每个月的月供。只算首付,容易忽略 30 年利息;只算月供,又可能忽略成交时要拿出的现金。

切换城市和首套、二套,会改写参考首付比例和参考利率。税费不在本页,需另用购房税费计算器。

公式

首付 = 房屋总价 × 首付比例。贷款金额 = 房屋总价 − 首付。月供按贷款金额套用等额本息或等额本金。

使用时注意

常见问题

首付比例按总价还是按贷款额?

按房屋总价。30% 首付表示自己支付总价的 30%,其余进入贷款本金。

为什么银行贷得比这里少?

银行会取成交价和评估价中的较低者,再乘贷款成数,还会卡月供收入比和个人负债。

首付里包含税费吗?

首付计算器不包含契税、维修资金和登记费。这三项请用购房税费页单独估算,并在成交前向税务机关确认。

相关工具

按城市查看

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结果仅供计算参考,不构成贷款建议。利率、额度和税费以贷款银行、公积金中心和税务机关的最新口径为准。阅读免责声明