Free calculatorLive resultsSteps and sourcesEmbed on your site, free

Amortization Mortgages Calculator

Mortgage Amortization Calculator works out Payment and Total interest from Loan amount, Annual interest rate and Loan term. The default figures on this page give payment of 1,896.20; change any entry and the result, the working and the sources update together.

Payment

1,896.20

Amortization Schedule Calculator

Total interest

382,636.71

Total of payments

682,636.71

Number of payments

360

Payoff time

30 years

Rate per period

0.541667 %

Interest per unit borrowed

1.2755

Interest saved by extra payments

Payments saved

Interest in the first payment

1,625

Principal in the first payment

271.2

Payment where principal overtakes interest

233

Payment where the balance is half repaid

257

Balance after one year

296,646.88

Worked out from Standard annuity-immediate payment formula, PMT = P i / (1 - (1+i)^-n) and 1 other source.

Your figures

Updates as you type

Display currencyFormatting only. This does not change the calculation.

Loan amount

Annual interest rate (%)The nominal annual rate (APR before fees), not the monthly rate.

Loan term (years)

Term - additional monthsAdded to the term in years, for terms such as 5 years and 6 months. To state a tenure purely in months, set the years to 0 and enter the whole tenure here.

Payment frequency

Extra payment each period Additional principal paid on top of the scheduled payment.

Include the amortisation schedule

How this is worked out

5 steps

Each period, interest = outstanding balance x 0.541667%; the rest of the payment reduces principal.
Payment 1: 1625 interest and 271.2 principal.
From payment 233 onwards more of each payment goes to principal than to interest.
The balance is half repaid by payment 257.
Year 1 ends with 296646.88 outstanding, 1.12% of the loan retired.

Amortisation scheduletable

period	payment	interest	principal	balance
1	1,896.2	1,625	271.2	299,728.8
2	1,896.2	1,623.53	272.67	299,456.13
3	1,896.2	1,622.05	274.15	299,181.98
4	1,896.2	1,620.57	275.63	298,906.35
5	1,896.2	1,619.08	277.12	298,629.23
6	1,896.2	1,617.57	278.63	298,350.6
7	1,896.2	1,616.07	280.13	298,070.47
8	1,896.2	1,614.55	281.65	297,788.82
9	1,896.2	1,613.02	283.18	297,505.64
10	1,896.2	1,611.49	284.71	297,220.93
11	1,896.2	1,609.95	286.25	296,934.68
12	1,896.2	1,608.4	287.8	296,646.88
13	1,896.2	1,606.84	289.36	296,357.52
14	1,896.2	1,605.27	290.93	296,066.59
15	1,896.2	1,603.69	292.51	295,774.08
16	1,896.2	1,602.11	294.09	295,479.99
17	1,896.2	1,600.52	295.68	295,184.31
18	1,896.2	1,598.92	297.28	294,887.03
19	1,896.2	1,597.3	298.9	294,588.13
20	1,896.2	1,595.69	300.51	294,287.62
21	1,896.2	1,594.06	302.14	293,985.48
22	1,896.2	1,592.42	303.78	293,681.7
23	1,896.2	1,590.78	305.42	293,376.28
24	1,896.2	1,589.12	307.08	293,069.2
25	1,896.2	1,587.46	308.74	292,760.46
26	1,896.2	1,585.79	310.41	292,450.05
27	1,896.2	1,584.1	312.1	292,137.95
28	1,896.2	1,582.41	313.79	291,824.16
29	1,896.2	1,580.71	315.49	291,508.67
30	1,896.2	1,579.01	317.19	291,191.48
31	1,896.2	1,577.29	318.91	290,872.57
32	1,896.2	1,575.56	320.64	290,551.93
33	1,896.2	1,573.82	322.38	290,229.55
34	1,896.2	1,572.08	324.12	289,905.43
35	1,896.2	1,570.32	325.88	289,579.55
36	1,896.2	1,568.56	327.64	289,251.91
37	1,896.2	1,566.78	329.42	288,922.49
38	1,896.2	1,565	331.2	288,591.29
39	1,896.2	1,563.2	333	288,258.29
40	1,896.2	1,561.4	334.8	287,923.49
41	1,896.2	1,559.59	336.61	287,586.88
42	1,896.2	1,557.76	338.44	287,248.44
43	1,896.2	1,555.93	340.27	286,908.17
44	1,896.2	1,554.09	342.11	286,566.06
45	1,896.2	1,552.23	343.97	286,222.09
46	1,896.2	1,550.37	345.83	285,876.26
47	1,896.2	1,548.5	347.7	285,528.56
48	1,896.2	1,546.61	349.59	285,178.97
49	1,896.2	1,544.72	351.48	284,827.49
50	1,896.2	1,542.82	353.38	284,474.11
51	1,896.2	1,540.9	355.3	284,118.81
52	1,896.2	1,538.98	357.22	283,761.59
53	1,896.2	1,537.04	359.16	283,402.43
54	1,896.2	1,535.1	361.1	283,041.33
55	1,896.2	1,533.14	363.06	282,678.27
56	1,896.2	1,531.17	365.03	282,313.24
57	1,896.2	1,529.2	367	281,946.24
58	1,896.2	1,527.21	368.99	281,577.25
59	1,896.2	1,525.21	370.99	281,206.26
60	1,896.2	1,523.2	373	280,833.26
61	1,896.2	1,521.18	375.02	280,458.24
62	1,896.2	1,519.15	377.05	280,081.19
63	1,896.2	1,517.11	379.09	279,702.1
64	1,896.2	1,515.05	381.15	279,320.95
65	1,896.2	1,512.99	383.21	278,937.74
66	1,896.2	1,510.91	385.29	278,552.45
67	1,896.2	1,508.83	387.37	278,165.08
68	1,896.2	1,506.73	389.47	277,775.61
69	1,896.2	1,504.62	391.58	277,384.03
70	1,896.2	1,502.5	393.7	276,990.33
71	1,896.2	1,500.36	395.84	276,594.49
72	1,896.2	1,498.22	397.98	276,196.51
73	1,896.2	1,496.06	400.14	275,796.37
74	1,896.2	1,493.9	402.3	275,394.07
75	1,896.2	1,491.72	404.48	274,989.59
76	1,896.2	1,489.53	406.67	274,582.92
77	1,896.2	1,487.32	408.88	274,174.04
78	1,896.2	1,485.11	411.09	273,762.95
79	1,896.2	1,482.88	413.32	273,349.63
80	1,896.2	1,480.64	415.56	272,934.07
81	1,896.2	1,478.39	417.81	272,516.26
82	1,896.2	1,476.13	420.07	272,096.19
83	1,896.2	1,473.85	422.35	271,673.84
84	1,896.2	1,471.57	424.63	271,249.21
85	1,896.2	1,469.27	426.93	270,822.28
86	1,896.2	1,466.95	429.25	270,393.03
87	1,896.2	1,464.63	431.57	269,961.46
88	1,896.2	1,462.29	433.91	269,527.55
89	1,896.2	1,459.94	436.26	269,091.29
90	1,896.2	1,457.58	438.62	268,652.67
91	1,896.2	1,455.2	441	268,211.67
92	1,896.2	1,452.81	443.39	267,768.28
93	1,896.2	1,450.41	445.79	267,322.49
94	1,896.2	1,448	448.2	266,874.29
95	1,896.2	1,445.57	450.63	266,423.66
96	1,896.2	1,443.13	453.07	265,970.59
97	1,896.2	1,440.67	455.53	265,515.06
98	1,896.2	1,438.21	457.99	265,057.07
99	1,896.2	1,435.73	460.47	264,596.6
100	1,896.2	1,433.23	462.97	264,133.63
101	1,896.2	1,430.72	465.48	263,668.15
102	1,896.2	1,428.2	468	263,200.15
103	1,896.2	1,425.67	470.53	262,729.62
104	1,896.2	1,423.12	473.08	262,256.54
105	1,896.2	1,420.56	475.64	261,780.9
106	1,896.2	1,417.98	478.22	261,302.68
107	1,896.2	1,415.39	480.81	260,821.87
108	1,896.2	1,412.79	483.41	260,338.46
109	1,896.2	1,410.17	486.03	259,852.43
110	1,896.2	1,407.53	488.67	259,363.76
111	1,896.2	1,404.89	491.31	258,872.45
112	1,896.2	1,402.23	493.97	258,378.48
113	1,896.2	1,399.55	496.65	257,881.83
114	1,896.2	1,396.86	499.34	257,382.49
115	1,896.2	1,394.16	502.04	256,880.45
116	1,896.2	1,391.44	504.76	256,375.69
117	1,896.2	1,388.7	507.5	255,868.19
118	1,896.2	1,385.95	510.25	255,357.94
119	1,896.2	1,383.19	513.01	254,844.93
120	1,896.2	1,380.41	515.79	254,329.14

First 120 of 360 rows.

Yearly summarytable

year	interest	principal	endingBalance
1	19,401.28	3,353.12	296,646.88
2	19,176.72	3,577.68	293,069.2
3	18,937.11	3,817.29	289,251.91
4	18,681.46	4,072.94	285,178.97
5	18,408.69	4,345.71	280,833.26
6	18,117.65	4,636.75	276,196.51
7	17,807.1	4,947.3	271,249.21
8	17,475.78	5,278.62	265,970.59
9	17,122.27	5,632.13	260,338.46
10	16,745.08	6,009.32	254,329.14
11	16,342.61	6,411.79	247,917.35
12	15,913.22	6,841.18	241,076.17
13	15,455.04	7,299.36	233,776.81
14	14,966.2	7,788.2	225,988.61
15	14,444.56	8,309.84	217,678.77
16	13,888.07	8,866.33	208,812.44
17	13,294.28	9,460.12	199,352.32
18	12,660.7	10,093.7	189,258.62
19	11,984.71	10,769.69	178,488.93
20	11,263.45	11,490.95	166,997.98
21	10,493.87	12,260.53	154,737.45
22	9,672.76	13,081.64	141,655.81
23	8,796.67	13,957.73	127,698.08
24	7,861.89	14,892.51	112,805.57
25	6,864.51	15,889.89	96,915.68
26	5,800.35	16,954.05	79,961.63
27	4,664.91	18,089.49	61,872.14
28	3,453.41	19,300.99	42,571.15
29	2,160.76	20,593.64	21,977.51
30	781.6	21,977.51	0

Chart series, one row a yeartable

year	interest	principal	cumulativeInterest	cumulativePrincipal	endingBalance	percentPaidOff
1	19,401.28	3,353.12	19,401.28	3,353.12	296,646.88	1.12
2	19,176.72	3,577.68	38,578	6,930.8	293,069.2	2.31
3	18,937.11	3,817.29	57,515.11	10,748.09	289,251.91	3.58
4	18,681.46	4,072.94	76,196.57	14,821.03	285,178.97	4.94
5	18,408.69	4,345.71	94,605.26	19,166.74	280,833.26	6.39
6	18,117.65	4,636.75	112,722.91	23,803.49	276,196.51	7.93
7	17,807.1	4,947.3	130,530.01	28,750.79	271,249.21	9.58
8	17,475.78	5,278.62	148,005.79	34,029.41	265,970.59	11.34
9	17,122.27	5,632.13	165,128.06	39,661.54	260,338.46	13.22
10	16,745.08	6,009.32	181,873.14	45,670.86	254,329.14	15.22
11	16,342.61	6,411.79	198,215.75	52,082.65	247,917.35	17.36
12	15,913.22	6,841.18	214,128.97	58,923.83	241,076.17	19.64
13	15,455.04	7,299.36	229,584.01	66,223.19	233,776.81	22.07
14	14,966.2	7,788.2	244,550.21	74,011.39	225,988.61	24.67
15	14,444.56	8,309.84	258,994.77	82,321.23	217,678.77	27.44
16	13,888.07	8,866.33	272,882.84	91,187.56	208,812.44	30.4
17	13,294.28	9,460.12	286,177.12	100,647.68	199,352.32	33.55
18	12,660.7	10,093.7	298,837.82	110,741.38	189,258.62	36.91
19	11,984.71	10,769.69	310,822.53	121,511.07	178,488.93	40.5
20	11,263.45	11,490.95	322,085.98	133,002.02	166,997.98	44.33
21	10,493.87	12,260.53	332,579.85	145,262.55	154,737.45	48.42
22	9,672.76	13,081.64	342,252.61	158,344.19	141,655.81	52.78
23	8,796.67	13,957.73	351,049.28	172,301.92	127,698.08	57.43
24	7,861.89	14,892.51	358,911.17	187,194.43	112,805.57	62.4
25	6,864.51	15,889.89	365,775.68	203,084.32	96,915.68	67.69
26	5,800.35	16,954.05	371,576.03	220,038.37	79,961.63	73.35
27	4,664.91	18,089.49	376,240.94	238,127.86	61,872.14	79.38
28	3,453.41	19,300.99	379,694.35	257,428.85	42,571.15	85.81
29	2,160.76	20,593.64	381,855.11	278,022.49	21,977.51	92.67
30	781.6	21,977.51	382,636.71	300,000	0	100

Its 4 worked examples are re-run on every release, last on 15 September 2026. What changed

Sources and references

2 sources

Standard annuity-immediate payment formula, PMT = P i / (1 - (1+i)^-n)

Equivalent to the Excel PMT function and to the actuarial present value of a level annuity.

12 CFR Part 1026 (Regulation Z), Appendix J - Annual Percentage Rate Computations

Keep this result

Save it, change one figure, then compare the two

The calculation stays free. Save this scenario, adjust one assumption, save that too, and put them side by side to see exactly what the change costs you. A free account keeps 5 scenarios and 2 comparisons; Personal makes both unlimited and adds exports and private links. Nothing is saved unless you press Save.

1 · Calculate2 · Save3 · Compare4 · Export5 · Share

Scenario name

Saved data retention

Open workspace

What the Mortgage Amortization Calculator calculates

Builds the full period-by-period amortisation table for a loan, showing how each payment splits between interest and principal.

How to use this Mortgage Amortization Calculator

Enter Loan amount, Annual interest rate, Loan term and Term - additional months. Payment updates as you type. Change one figure at a time to see what drives the result.

How the result is worked out

Open “How this is worked out” beside the result for the step-by-step calculation behind Payment, Total interest and Total of payments.

The method follows Standard annuity-immediate payment formula, PMT = P i / (1 - (1+i)^-n) and 12 CFR Part 1026 (Regulation Z), Appendix J - Annual Percentage Rate Computations.

What you can compare

Change one input at a time to see how it affects Payment, Total interest and Total of payments. The inputs you can vary are Loan amount, Annual interest rate, Loan term, Term - additional months, Payment frequency and Extra payment each period.

Results are general information, not financial, tax, legal, medical or engineering advice. Check any decision that matters with a qualified professional.

Embed this calculator on your website

Copy this code into any page. The calculator appears with the figures currently entered, sizes itself to fit, and a small credit line links back here. Free, no account, no ads inside it, no tracking of your readers. Set your own figures and fixed fields; Personal removes the credit line, sets your colour and shows you which sites use it.

<iframe src="https://calculatorfox.org/embed/v1/amortization-mortgages-calculator" title="Amortization Mortgages Calculator" style="width:100%;min-height:520px;border:0" loading="lazy" referrerpolicy="strict-origin-when-cross-origin"></iframe>
<p class="calculatorfox-credit">Calculator by <a href="https://calculatorfox.org/amortization-mortgages-calculator">CalculatorFox</a></p>
<script src="https://calculatorfox.org/assets/js/embed-host.js" async></script>

Preview

See something wrong? Report a problem with this calculator

Frequently asked questions

How to calculate amortization on a mortgage?

Builds the full period-by-period amortisation table for a loan, showing how each payment splits between interest and principal. Open “How this is worked out” beside the result to see each step for your own figures.

What information do I need for the Mortgage Amortization Calculator?

You need Loan amount, Annual interest rate, Loan term, Term - additional months, Payment frequency and Extra payment each period. The page opens with default figures that give payment of 1,896.20, so you can see the scale before entering your own.

What does this Mortgage Amortization Calculator show?

It shows Payment, Total interest, Total of payments, Number of payments, Payoff time, Rate per period, Interest per unit borrowed and Interest saved by extra payments, with the working and any warnings for your entries.

Can I check how the Mortgage Amortization Calculator result was calculated?

Yes. The “How this is worked out” section shows the calculation steps, and the sources section identifies the references used for the method.

Related calculators

Amortization Table CalculatorLoans, Credit & Banking Ammonization CalculatorLoans, Credit & Banking Amortization Loan Car CalculatorLoans, Credit & Banking Auto Finance CalculatorLoans, Credit & Banking

View all related calculators10 more

Home Loans UK CalculatorLoans, Credit & Banking Education Loan CalculatorLoans, Credit & Banking 30 Year House Loan CalculatorLoans, Credit & Banking Amortization Chart CalculatorLoans, Credit & Banking Mortgages Overpayment CalculatorLoans, Credit & Banking Fixed Rate Mortgages CalculatorLoans, Credit & Banking Interest Mortgages CalculatorLoans, Credit & Banking 50 Year Mortgages CalculatorLoans, Credit & Banking EMI CalculatorLoans, Credit & Banking 500 CalculatorInvestment & Retirement