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CalcTortoise

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What will your mortgage really cost?

Work out

years

Monthly payment (principal & interest)

$2,528

Over 30 years, you’ll pay $910,178 in all — and $510,178 of that is interest, 128% of what you borrowed.

Loan amount
$400,000
Total interest
$510,178
Total of all payments
$910,178

Illustration only, not investment, tax or legal advice.

Compare loans →
What moves the result most?
Where your money goes
  • Principal$400,000 (43.9%)
  • Interest$510,178 (56.1%)
Principal and interest each yearPrincipalInterest

Amortization schedule

YearPrincipalInterestTotal paidLoan balance
$4,471$25,868$30,339$395,529
$4,770$25,569$30,339$390,759
$5,090$25,249$30,339$385,669
$5,431$24,909$30,339$380,238
$5,794$24,545$30,339$374,444
$6,182$24,157$30,339$368,261
$6,596$23,743$30,339$361,665
$7,038$23,301$30,339$354,627
$7,510$22,830$30,339$347,117
$8,013$22,327$30,339$339,105
$8,549$21,790$30,339$330,555
$9,122$21,218$30,339$321,434
$9,733$20,607$30,339$311,701
$10,384$19,955$30,339$301,316
$11,080$19,259$30,339$290,237
$11,822$18,517$30,339$278,415
$12,614$17,726$30,339$265,801
$13,458$16,881$30,339$252,342
$14,360$15,979$30,339$237,983
$15,322$15,018$30,339$222,661
$16,348$13,992$30,339$206,314
$17,442$12,897$30,339$188,871
$18,611$11,729$30,339$170,260
$19,857$10,482$30,339$150,403
$21,187$9,152$30,339$129,217
$22,606$7,734$30,339$106,611
$24,120$6,220$30,339$82,491
$25,735$4,604$30,339$56,756
$27,459$2,881$30,339$29,298
$29,298$1,042$30,339$0

Tap a year to see its months.

Built on standard amortization math and official sources: the IRS, the Social Security Administration and the CFPB. Your numbers never leave your device.

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