Nashville, TN(615) 555-0182[email protected]Demonstration site — not a lender

The bench

Every payment, and the month the threads cross

The full schedule, switchable month-wise and year-wise, with a running total and the crossover month called out.

AmortisationIllustrative figures onlyShareable as a link

Your numbers

Assumptions you can change

It recalculates as you type — there is no submit button, and nothing is sent anywhere.

Monthly principal & interest

$2,528.27

$400,000 over 30 years at an illustrative 6.5%

Payments
360
Payoff
30 yr
Crossover — principal first beats interest
Month 233 (19 yr 5 mo)
Total interest
$510,178
Total paid
$910,178
Balance, and interest paid to date
$0$200k$400kyr 5yr 10yr 15yr 20yr 25yr 30
Balance owedInterest paid to date

The schedule

PeriodPaymentInterestPrincipalMortgage ins.BalanceInterest to date
Month 1$2,528.27$2,166.67$361.61—$399,638$2,167
Month 2$2,528.27$2,164.71$363.56—$399,275$4,331
Month 3$2,528.27$2,162.74$365.53—$398,909$6,494
Month 4$2,528.27$2,160.76$367.51—$398,542$8,655
Month 5$2,528.27$2,158.77$369.50—$398,172$10,814
Month 6$2,528.27$2,156.77$371.51—$397,801$12,970
Month 7$2,528.27$2,154.75$373.52—$397,427$15,125
Month 8$2,528.27$2,152.73$375.54—$397,052$17,278
Month 9$2,528.27$2,150.70$377.58—$396,674$19,429
Month 10$2,528.27$2,148.65$379.62—$396,295$21,577
Month 11$2,528.27$2,146.60$381.68—$395,913$23,724
Month 12$2,528.27$2,144.53$383.74—$395,529$25,868
Month 13$2,528.27$2,142.45$385.82—$395,143$28,011
Month 14$2,528.27$2,140.36$387.91—$394,755$30,151
Month 15$2,528.27$2,138.26$390.01—$394,365$32,289
Month 16$2,528.27$2,136.15$392.13—$393,973$34,426
Month 17$2,528.27$2,134.02$394.25—$393,579$36,560
Month 18$2,528.27$2,131.89$396.39—$393,183$38,691
Month 19$2,528.27$2,129.74$398.53—$392,784$40,821
Month 20$2,528.27$2,127.58$400.69—$392,383$42,949
Month 21$2,528.27$2,125.41$402.86—$391,980$45,074
Month 22$2,528.27$2,123.23$405.04—$391,575$47,197
Month 23$2,528.27$2,121.03$407.24—$391,168$49,318
Month 24$2,528.27$2,118.83$409.44—$390,759$51,437
Month 25$2,528.27$2,116.61$411.66—$390,347$53,554
Month 26$2,528.27$2,114.38$413.89—$389,933$55,668
Month 27$2,528.27$2,112.14$416.13—$389,517$57,780
Month 28$2,528.27$2,109.88$418.39—$389,099$59,890
Month 29$2,528.27$2,107.62$420.65—$388,678$61,998
Month 30$2,528.27$2,105.34$422.93—$388,255$64,103
Month 31$2,528.27$2,103.05$425.22—$387,830$66,206
Month 32$2,528.27$2,100.75$427.53—$387,402$68,307
Month 33$2,528.27$2,098.43$429.84—$386,973$70,405
Month 34$2,528.27$2,096.10$432.17—$386,540$72,502
Month 35$2,528.27$2,093.76$434.51—$386,106$74,595
Month 36$2,528.27$2,091.41$436.87—$385,669$76,687
Month 37$2,528.27$2,089.04$439.23—$385,230$78,776
Month 38$2,528.27$2,086.66$441.61—$384,788$80,862
Month 39$2,528.27$2,084.27$444.00—$384,344$82,947
Month 40$2,528.27$2,081.86$446.41—$383,898$85,029
Month 41$2,528.27$2,079.45$448.83—$383,449$87,108
Month 42$2,528.27$2,077.01$451.26—$382,998$89,185
Month 43$2,528.27$2,074.57$453.70—$382,544$91,260
Month 44$2,528.27$2,072.11$456.16—$382,088$93,332
Month 45$2,528.27$2,069.64$458.63—$381,629$95,401
Month 46$2,528.27$2,067.16$461.11—$381,168$97,469
Month 47$2,528.27$2,064.66$463.61—$380,704$99,533
Month 48$2,528.27$2,062.15$466.12—$380,238$101,595
Month 49$2,528.27$2,059.62$468.65—$379,770$103,655
Month 50$2,528.27$2,057.09$471.19—$379,298$105,712
Month 51$2,528.27$2,054.53$473.74—$378,825$107,767
Month 52$2,528.27$2,051.97$476.30—$378,348$109,819
Month 53$2,528.27$2,049.39$478.88—$377,870$111,868
Month 54$2,528.27$2,046.79$481.48—$377,388$113,915
Month 55$2,528.27$2,044.19$484.09—$376,904$115,959
Month 56$2,528.27$2,041.56$486.71—$376,417$118,000
Month 57$2,528.27$2,038.93$489.35—$375,928$120,039
Month 58$2,528.27$2,036.28$492.00—$375,436$122,076
Month 59$2,528.27$2,033.61$494.66—$374,941$124,109
Month 60$2,528.27$2,030.93$497.34—$374,444$126,140
Month 61$2,528.27$2,028.24$500.03—$373,944$128,168
Month 62$2,528.27$2,025.53$502.74—$373,441$130,194
Month 63$2,528.27$2,022.81$505.47—$372,936$132,217
Month 64$2,528.27$2,020.07$508.20—$372,427$134,237
Month 65$2,528.27$2,017.32$510.96—$371,917$136,254
Month 66$2,528.27$2,014.55$513.72—$371,403$138,269
Month 67$2,528.27$2,011.77$516.51—$370,886$140,281
Month 68$2,528.27$2,008.97$519.30—$370,367$142,289
Month 69$2,528.27$2,006.15$522.12—$369,845$144,296
Month 70$2,528.27$2,003.33$524.95—$369,320$146,299
Month 71$2,528.27$2,000.48$527.79—$368,792$148,299
Month 72$2,528.27$1,997.62$530.65—$368,261$150,297
Month 73$2,528.27$1,994.75$533.52—$367,728$152,292
Month 74$2,528.27$1,991.86$536.41—$367,192$154,284
Month 75$2,528.27$1,988.95$539.32—$366,652$156,273
Month 76$2,528.27$1,986.03$542.24—$366,110$158,259
Month 77$2,528.27$1,983.10$545.18—$365,565$160,242
Month 78$2,528.27$1,980.14$548.13—$365,017$162,222
Month 79$2,528.27$1,977.17$551.10—$364,466$164,199
Month 80$2,528.27$1,974.19$554.08—$363,911$166,173
Month 81$2,528.27$1,971.19$557.08—$363,354$168,144
Month 82$2,528.27$1,968.17$560.10—$362,794$170,113
Month 83$2,528.27$1,965.14$563.14—$362,231$172,078
Month 84$2,528.27$1,962.09$566.19—$361,665$174,040
Month 85$2,528.27$1,959.02$569.25—$361,096$175,999
Month 86$2,528.27$1,955.94$572.34—$360,523$177,955
Month 87$2,528.27$1,952.84$575.44—$359,948$179,908
Month 88$2,528.27$1,949.72$578.55—$359,369$181,857
Month 89$2,528.27$1,946.58$581.69—$358,788$183,804
Month 90$2,528.27$1,943.43$584.84—$358,203$185,747
Month 91$2,528.27$1,940.27$588.01—$357,615$187,688
Month 92$2,528.27$1,937.08$591.19—$357,024$189,625
Month 93$2,528.27$1,933.88$594.39—$356,429$191,559
Month 94$2,528.27$1,930.66$597.61—$355,832$193,489
Month 95$2,528.27$1,927.42$600.85—$355,231$195,417
Month 96$2,528.27$1,924.17$604.11—$354,627$197,341
Month 97$2,528.27$1,920.89$607.38—$354,019$199,262
Month 98$2,528.27$1,917.60$610.67—$353,409$201,179
Month 99$2,528.27$1,914.30$613.98—$352,795$203,094
Month 100$2,528.27$1,910.97$617.30—$352,177$205,005
Month 101$2,528.27$1,907.63$620.64—$351,557$206,912
Month 102$2,528.27$1,904.27$624.01—$350,933$208,816
Month 103$2,528.27$1,900.89$627.39—$350,305$210,717
Month 104$2,528.27$1,897.49$630.78—$349,675$212,615
Month 105$2,528.27$1,894.07$634.20—$349,040$214,509
Month 106$2,528.27$1,890.64$637.64—$348,403$216,400
Month 107$2,528.27$1,887.18$641.09—$347,762$218,287
Month 108$2,528.27$1,883.71$644.56—$347,117$220,170
Month 109$2,528.27$1,880.22$648.05—$346,469$222,051
Month 110$2,528.27$1,876.71$651.56—$345,817$223,927
Month 111$2,528.27$1,873.18$655.09—$345,162$225,801
Month 112$2,528.27$1,869.63$658.64—$344,504$227,670
Month 113$2,528.27$1,866.06$662.21—$343,842$229,536
Month 114$2,528.27$1,862.47$665.80—$343,176$231,399
Month 115$2,528.27$1,858.87$669.40—$342,506$233,258
Month 116$2,528.27$1,855.24$673.03—$341,833$235,113
Month 117$2,528.27$1,851.60$676.68—$341,157$236,964
Month 118$2,528.27$1,847.93$680.34—$340,476$238,812
Month 119$2,528.27$1,844.25$684.03—$339,792$240,657
Month 120$2,528.27$1,840.54$687.73—$339,105$242,497

First 120 payments shown without JavaScript. With JavaScript the table switches between month-wise and year-wise views and pages through the whole schedule.

What this is doing

  • Principal first exceeds interest at month 233. Before that month, most of what you pay is rent on the money.
  • Every figure here is illustrative. It is generated from the numbers you typed using published rules, and it is not a rate quote, a pre-qualification, or an offer of credit.

The rule this page applies

Each payment is split by charging one month of interest on the balance outstanding at the start of the month; everything else reduces principal. Because the balance falls, the interest share falls and the principal share rises, and at some month the two cross.

Source: Standard annuity amortisation

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Questions people ask about this one

Why does the crossover happen so late?

Because interest is charged on the balance, and early on the balance is nearly the whole loan. Principal only overtakes interest once the balance falls below the monthly payment divided by twice the monthly rate. On a 30-year loan at 6.5% that is around month 233.

Do extra payments change the schedule shown?

Yes — the schedule is rebuilt with the extra principal applied each month, so the payoff date and the total interest both move. What extra payments do not move is the automatic PMI termination date, which the law ties to the original schedule.

Can I see the year view?

Switch the table to years. Each year row sums that year's twelve payments and shows the closing balance, so the two views always agree.

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The rest of the bench

Monthly payment

Principal, interest, taxes, insurance, mortgage insurance and HOA — drawn as five separate threads, not folded into one number.

Affordability

Income, debts and cash in, a defensible price out — and a plain statement of which of the three constraints is the one actually holding the number down.

Refinance

Costs divided by monthly saving is the answer most sites give, and it ignores the fact that a new 30-year term restarts the clock. Both numbers are shown here.

Extra payment

A recurring extra, a one-off lump sum, or both — against the interest they remove and the months they take off the end.

Rent vs buy

Both households start with the same cash. Whichever is cheaper in a given month invests the difference; whichever is dearer draws it down. That symmetry is the whole argument.

FHA MIP

The upfront premium, the annual premium, and the part almost every calculator gets wrong: whether it ever comes off.

VA purchase

The VA funding fee changes with the down payment and with whether it is your first use of the entitlement. Exempt borrowers pay none of it.

VA refinance

An IRRRL carries a 0.50% funding fee; a VA cash-out carries 2.15% or 3.30%. Both are shown against a true break-even.

Points

One point is one percent of the loan, paid today, for a lower rate for as long as you keep it. The only question that matters is how long that is.

HELOC

Interest-only while you draw, then a fully amortising payment that can be several times larger. Both are shown, because the second one is the surprise.

DSCR

Debt-service coverage divides the rent the property brings in by what the property costs to carry. Most lenders want 1.20 or better.

Fix & flip

Acquisition, rehab, points, interest, holding costs and selling costs against the after-repair value — with the cash you actually have to put in.