怎么计算抵押贷款支付额

抵押贷款,是以不动产作为抵押物的一种贷款形式。抵押贷款的总额一般低于或等于相应不动产的市价。抵押贷款的利息就是借款所支付的费用, 它通常以比率的形式给出,也就是说,抵押贷款的利息和本金的比例一般是固定的。借款人可以通过多种多样的方式将抵押贷款支付给债权人。

方法 1 的 3:

理解抵押贷款支付公式

  1. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/c\/c6\/Calculate-Mortgage-Payments-Step-1-Version-2.jpg\/v4-460px-Calculate-Mortgage-Payments-Step-1-Version-2.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/c\/c6\/Calculate-Mortgage-Payments-Step-1-Version-2.jpg\/v4-728px-Calculate-Mortgage-Payments-Step-1-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 1 利用公式M = P[i(1+i)^n]/[(1+i)^n -1]来计算抵押贷款的月支付额。在公式中:M代表月支付额,P代表本金(抵押贷款总额),i代表利率,尚未支付的总次数为n。
  2. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/0\/0f\/Calculate-Mortgage-Payments-Step-2-Version-2.jpg\/v4-460px-Calculate-Mortgage-Payments-Step-2-Version-2.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/0\/0f\/Calculate-Mortgage-Payments-Step-2-Version-2.jpg\/v4-728px-Calculate-Mortgage-Payments-Step-2-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 2 将M和P定义为货币价值。在使用本公式时, M和P必须使用相同的货币单位计量。
  3. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/1\/13\/Calculate-Mortgage-Payments-Step-3-Version-2.jpg\/v4-460px-Calculate-Mortgage-Payments-Step-3-Version-2.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/1\/13\/Calculate-Mortgage-Payments-Step-3-Version-2.jpg\/v4-728px-Calculate-Mortgage-Payments-Step-3-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 3 将利率i转化为小数。 在计算利率时,必须使用小数值本身而不是百分比。比如说,如果一个抵押贷款的利率是百分之七,计算时应使用7/100或者0.07。
  4. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/3\/3c\/Calculate-Mortgage-Payments-Step-4-Version-2.jpg\/v4-460px-Calculate-Mortgage-Payments-Step-4-Version-2.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/3\/3c\/Calculate-Mortgage-Payments-Step-4-Version-2.jpg\/v4-728px-Calculate-Mortgage-Payments-Step-4-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 4 将年利率转化为月利率。通常来说,抵押贷款利率都会以年利率的形式给出。考虑到典型的抵押贷款是以月为单位进行复利的,我们需要将年利率除以12来得到用于复利的利率,也就是月利率。举个例子,如果年利率是百分之七,将小数0.07除以12即可得到月利率0.07/12. 将0.07/12作为i带入步骤1的公式中,即可得到相应月支付额。
  5. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/e\/e5\/Calculate-Mortgage-Payments-Step-5-Version-2.jpg\/v4-460px-Calculate-Mortgage-Payments-Step-5-Version-2.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/e\/e5\/Calculate-Mortgage-Payments-Step-5-Version-2.jpg\/v4-728px-Calculate-Mortgage-Payments-Step-5-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 5 计算还清抵押贷款要求的总支付次数,将其带入n。虽然抵押贷款支付通常来说是按月支付的,但贷款期限一般以年为单位给出。在这种情况下,将还清贷款所需的总年数乘以12,即可得到总支付次数。比如说,一个以20年为期限的贷款,n应为20×12=240。
方法 2 的 3:

计算抵押贷款支付

  1. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/8\/8e\/Calculate-Mortgage-Payments-Step-6-Version-2.jpg\/v4-460px-Calculate-Mortgage-Payments-Step-6-Version-2.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/8\/8e\/Calculate-Mortgage-Payments-Step-6-Version-2.jpg\/v4-728px-Calculate-Mortgage-Payments-Step-6-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 1 假设一个抵押贷款的总额为$100,000, 年利率为百分之五,贷款期限为15年。计算该抵押贷款的月支付额。(假设该抵押贷款按月复利。)
  2. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/d\/d9\/Calculate-Mortgage-Payments-Step-7-Version-2.jpg\/v4-460px-Calculate-Mortgage-Payments-Step-7-Version-2.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/d\/d9\/Calculate-Mortgage-Payments-Step-7-Version-2.jpg\/v4-728px-Calculate-Mortgage-Payments-Step-7-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 2 计算利率i。以小数表示的年利率是5/100或者0.05, 因此,月利率应为0.05/12,约0.00416667。
  3. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/c\/c4\/Calculate-Mortgage-Payments-Step-8-Version-2.jpg\/v4-460px-Calculate-Mortgage-Payments-Step-8-Version-2.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/c\/c4\/Calculate-Mortgage-Payments-Step-8-Version-2.jpg\/v4-728px-Calculate-Mortgage-Payments-Step-8-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 3 计算总支付次数。 此处,还款总次数为15×12=180。
  4. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/3\/30\/Calculate-Mortgage-Payments-Step-9-Version-2.jpg\/v4-460px-Calculate-Mortgage-Payments-Step-9-Version-2.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/3\/30\/Calculate-Mortgage-Payments-Step-9-Version-2.jpg\/v4-728px-Calculate-Mortgage-Payments-Step-9-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 4 计算(1+i)^n. 此处, (1+0.05/12)^180 ≈2.1137。
  5. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/b\/b4\/Calculate-Mortgage-Payments-Step-10-Version-2.jpg\/v4-460px-Calculate-Mortgage-Payments-Step-10-Version-2.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/b\/b4\/Calculate-Mortgage-Payments-Step-10-Version-2.jpg\/v4-728px-Calculate-Mortgage-Payments-Step-10-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 5 将本金额P=100,000带入公式中。
  6. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/7\/79\/Calculate-Mortgage-Payments-Step-11-Version-2.jpg\/v4-460px-Calculate-Mortgage-Payments-Step-11-Version-2.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/7\/79\/Calculate-Mortgage-Payments-Step-11-Version-2.jpg\/v4-728px-Calculate-Mortgage-Payments-Step-11-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 6 计算式子:M = P[i(1+i)^n]/[(1+i)^n -1], 即可得到月支付额。此处,M = 100,000 x [0.00416667 x 2.1137/2.1137 – 1] = 790.79。 因此,本例中,抵押贷款的月支付额为$ 790.79。
方法 3 的 3:

理解贷款期限对利率的影响

  1. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/6\/63\/Calculate-Mortgage-Payments-Step-12-Version-2.jpg\/v4-460px-Calculate-Mortgage-Payments-Step-12-Version-2.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/6\/63\/Calculate-Mortgage-Payments-Step-12-Version-2.jpg\/v4-728px-Calculate-Mortgage-Payments-Step-12-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 1 对上例中的抵押贷款,假设其贷款期限由15年减少为10年。 新的总支付次数为10 x 12 = 120 次。因此,(1+i)^n = (1 + 0.05/12)^120 ≈ 1.647。
  2. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/2\/29\/Calculate-Mortgage-Payments-Step-13-Version-2.jpg\/v4-460px-Calculate-Mortgage-Payments-Step-13-Version-2.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/2\/29\/Calculate-Mortgage-Payments-Step-13-Version-2.jpg\/v4-728px-Calculate-Mortgage-Payments-Step-13-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 2 带入公式M = P[i(1+i)^n]/[(1+i)^n -1],即可计得10年贷款期限条件下的月支付额。M = 100,000 x [0.00416667 x 1.647/1.647 – 1] = 1,060.66,因此,10年期条件下的月支付额为$1,060.66。
  3. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/d\/d3\/Calculate-Mortgage-Payments-Step-14-Version-2.jpg\/v4-460px-Calculate-Mortgage-Payments-Step-14-Version-2.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/d\/d3\/Calculate-Mortgage-Payments-Step-14-Version-2.jpg\/v4-728px-Calculate-Mortgage-Payments-Step-14-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 3 在其他条件相同的情况下,对比10年期抵押贷款和15年期抵押贷款。15年期条件下,抵押贷款的总支付额为180 x 790.79 = $142,342.20, 10年期条件下,抵押贷款的总支付额为120 x 1,060.66 = $127,279.20。通过将抵押贷款的贷款期限从15年缩减为10年,需要支付的总利息减少了:$142,342.20 – $127,279.20 = $15,063.00。

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