$375,000 Mortgage at 6% for 20 Years

A $375,000 mortgage at 6% over 20 years has a monthly principal + interest payment of $2,687. You'll pay $269,788 in total interest, bringing total loan cost to $644,788.

Estimated monthly payment
$3,280
Principal + interest
$2,687
Property tax
$469
Home insurance
$125
PMI
$0
HOA
$0
Total monthly
$3,280
1st month interest
$1,875
1st month principal
$812
Total interest
$269,788
Balance after 1 year
$364,988
Balance after 5 years
$318,373
Total cost (P+I)
$644,788

Amortization (first 10 years)

YearPrincipalInterestBalance
1$10,012$22,228$364,988
2$10,629$21,610$354,359
3$11,285$20,955$343,074
4$11,981$20,259$331,093
5$12,720$19,520$318,373
6$13,504$18,735$304,869
7$14,337$17,902$290,532
8$15,222$17,018$275,310
9$16,160$16,079$259,150
10$17,157$15,082$241,993

15-year vs 30-year

TermMonthly P+ITotal interestTotal cost
15 years$3,164$194,603$569,603
30 years$2,248$434,393$809,393

Choosing 15 years over 30 saves about $239,790 in interest at this rate and loan amount.

Extra payments

Payment breakdown

Monthly P+I
$2,687
Total payments
240
Total interest
$269,788
Total cost (P+I only)
$644,788
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Last updated: 2026