TrueAfford摊销计划计算器
额外还款到底会对你的贷款产生什么影响
每月多还200美元听起来微不足道。但直接用于偿还本金的话，它可以从一笔房贷中减去数年时间和数万美元的利息——这个计算器会逐年准确展示到底能省下多少，而不只是给你一个笼统的总数。
Amortization schedule
Loan amount $227,424
Payoff time
30 yr
Total interest paid
$310,695
From your extra payment
$0 saved
| Year | Principal paid | Interest paid | Ending balance |
|---|---|---|---|
| 1 | $2,364 | $15,573 | $225,060 |
| 2 | $2,532 | $15,405 | $222,528 |
| 3 | $2,712 | $15,225 | $219,816 |
| 4 | $2,904 | $15,033 | $216,912 |
| 5 | $3,111 | $14,827 | $213,801 |
| 6 | $3,332 | $14,606 | $210,469 |
| 7 | $3,568 | $14,369 | $206,901 |
| 8 | $3,821 | $14,116 | $203,080 |
| 9 | $4,093 | $13,844 | $198,987 |
| 10 | $4,383 | $13,554 | $194,604 |
| 11 | $4,695 | $13,243 | $189,909 |
| 12 | $5,028 | $12,909 | $184,881 |
| 13 | $5,385 | $12,552 | $179,495 |
| 14 | $5,768 | $12,170 | $173,728 |
| 15 | $6,177 | $11,760 | $167,551 |
| 16 | $6,616 | $11,321 | $160,935 |
| 17 | $7,086 | $10,852 | $153,849 |
| 18 | $7,589 | $10,348 | $146,260 |
| 19 | $8,128 | $9,810 | $138,133 |
| 20 | $8,705 | $9,232 | $129,428 |
| 21 | $9,323 | $8,614 | $120,105 |
| 22 | $9,985 | $7,952 | $110,120 |
| 23 | $10,694 | $7,243 | $99,426 |
| 24 | $11,453 | $6,484 | $87,972 |
| 25 | $12,267 | $5,670 | $75,705 |
| 26 | $13,138 | $4,799 | $62,567 |
| 27 | $14,071 | $3,866 | $48,497 |
| 28 | $15,070 | $2,867 | $33,427 |
| 29 | $16,140 | $1,797 | $17,286 |
| 30 | $17,286 | $651 | $0 |
常见问题
额外还款的钱去了哪里？
在你的常规月供之外，直接用于偿还本金。因为利息是按每月剩余余额计算的，更快地减少这个余额，意味着贷款剩余期限内累积的利息更少——这会逐渐复合成实实在在的节省。
多还钱总是正确的选择吗？
不一定——这取决于你的贷款利率相对于把这笔钱拿去投资能获得的收益，以及你是否还有利率更高的债务需要优先偿还。这个计算器展示的是对贷款本身的机械性影响；它是这个决策的一个参考因素，而不是全部答案。
为什么逐年明细表比一个总数更重要？
因为还清贷款并不是线性的——余额一开始下降得很慢，到后期才会加速下降。逐年查看能清楚看出额外还款大致从什么时候开始产生最大的效果。