Amortization Calculator

Loan amount

Loan term

years months

Interest rate

Optional: make extra payments

Monthly Pay: $1,687.71

Total of 180 monthly payments		$303,788.46
Total interest		$103,788.46

Amortization schedule

Annual Schedule Monthly Schedule

Month	Interest	Principal	Ending Balance
1	$1,000.00	$687.71	$199,312.29
2	$996.56	$691.15	$198,621.13
3	$993.11	$694.61	$197,926.53
4	$989.63	$698.08	$197,228.45
5	$986.14	$701.57	$196,526.87
6	$982.63	$705.08	$195,821.79
7	$979.11	$708.60	$195,113.19
8	$975.57	$712.15	$194,401.04
9	$972.01	$715.71	$193,685.33
10	$968.43	$719.29	$192,966.05
11	$964.83	$722.88	$192,243.16
12	$961.22	$726.50	$191,516.67
End of year 1
13	$957.58	$730.13	$190,786.53
14	$953.93	$733.78	$190,052.75
15	$950.26	$737.45	$189,315.30
16	$946.58	$741.14	$188,574.17
17	$942.87	$744.84	$187,829.32
18	$939.15	$748.57	$187,080.76
19	$935.40	$752.31	$186,328.45
20	$931.64	$756.07	$185,572.38
21	$927.86	$759.85	$184,812.52
22	$924.06	$763.65	$184,048.87
23	$920.24	$767.47	$183,281.40
24	$916.41	$771.31	$182,510.10
End of year 2
25	$912.55	$775.16	$181,734.93
26	$908.67	$779.04	$180,955.89
27	$904.78	$782.93	$180,172.96
28	$900.86	$786.85	$179,386.11
29	$896.93	$790.78	$178,595.33
30	$892.98	$794.74	$177,800.59
31	$889.00	$798.71	$177,001.88
32	$885.01	$802.70	$176,199.18
33	$881.00	$806.72	$175,392.46
34	$876.96	$810.75	$174,581.71
35	$872.91	$814.81	$173,766.90
36	$868.83	$818.88	$172,948.02
End of year 3
37	$864.74	$822.97	$172,125.05
38	$860.63	$827.09	$171,297.96
39	$856.49	$831.22	$170,466.74
40	$852.33	$835.38	$169,631.36
41	$848.16	$839.56	$168,791.80
42	$843.96	$843.75	$167,948.05
43	$839.74	$847.97	$167,100.07
44	$835.50	$852.21	$166,247.86
45	$831.24	$856.47	$165,391.39
46	$826.96	$860.76	$164,530.63
47	$822.65	$865.06	$163,665.57
48	$818.33	$869.39	$162,796.18
End of year 4
49	$813.98	$873.73	$161,922.45
50	$809.61	$878.10	$161,044.35
51	$805.22	$882.49	$160,161.86
52	$800.81	$886.90	$159,274.95
53	$796.37	$891.34	$158,383.61
54	$791.92	$895.80	$157,487.82
55	$787.44	$900.27	$156,587.54
56	$782.94	$904.78	$155,682.77
57	$778.41	$909.30	$154,773.47
58	$773.87	$913.85	$153,859.62
59	$769.30	$918.42	$152,941.20
60	$764.71	$923.01	$152,018.20
End of year 5
61	$760.09	$927.62	$151,090.57
62	$755.45	$932.26	$150,158.31
63	$750.79	$936.92	$149,221.39
64	$746.11	$941.61	$148,279.78
65	$741.40	$946.31	$147,333.47
66	$736.67	$951.05	$146,382.42
67	$731.91	$955.80	$145,426.62
68	$727.13	$960.58	$144,466.04
69	$722.33	$965.38	$143,500.66
70	$717.50	$970.21	$142,530.45
71	$712.65	$975.06	$141,555.39
72	$707.78	$979.94	$140,575.45
End of year 6
73	$702.88	$984.84	$139,590.61
74	$697.95	$989.76	$138,600.85
75	$693.00	$994.71	$137,606.14
76	$688.03	$999.68	$136,606.46
77	$683.03	$1,004.68	$135,601.78
78	$678.01	$1,009.70	$134,592.07
79	$672.96	$1,014.75	$133,577.32
80	$667.89	$1,019.83	$132,557.49
81	$662.79	$1,024.93	$131,532.57
82	$657.66	$1,030.05	$130,502.52
83	$652.51	$1,035.20	$129,467.32
84	$647.34	$1,040.38	$128,426.94
End of year 7
85	$642.13	$1,045.58	$127,381.36
86	$636.91	$1,050.81	$126,330.55
87	$631.65	$1,056.06	$125,274.49
88	$626.37	$1,061.34	$124,213.15
89	$621.07	$1,066.65	$123,146.50
90	$615.73	$1,071.98	$122,074.52
91	$610.37	$1,077.34	$120,997.18
92	$604.99	$1,082.73	$119,914.45
93	$599.57	$1,088.14	$118,826.31
94	$594.13	$1,093.58	$117,732.73
95	$588.66	$1,099.05	$116,633.68
96	$583.17	$1,104.55	$115,529.13
End of year 8
97	$577.65	$1,110.07	$114,419.07
98	$572.10	$1,115.62	$113,303.45
99	$566.52	$1,121.20	$112,182.25
100	$560.91	$1,126.80	$111,055.45
101	$555.28	$1,132.44	$109,923.01
102	$549.62	$1,138.10	$108,784.91
103	$543.92	$1,143.79	$107,641.13
104	$538.21	$1,149.51	$106,491.62
105	$532.46	$1,155.26	$105,336.36
106	$526.68	$1,161.03	$104,175.33
107	$520.88	$1,166.84	$103,008.49
108	$515.04	$1,172.67	$101,835.82
End of year 9
109	$509.18	$1,178.53	$100,657.29
110	$503.29	$1,184.43	$99,472.86
111	$497.36	$1,190.35	$98,282.51
112	$491.41	$1,196.30	$97,086.21
113	$485.43	$1,202.28	$95,883.93
114	$479.42	$1,208.29	$94,675.63
115	$473.38	$1,214.34	$93,461.30
116	$467.31	$1,220.41	$92,240.89
117	$461.20	$1,226.51	$91,014.38
118	$455.07	$1,232.64	$89,781.74
119	$448.91	$1,238.80	$88,542.93
120	$442.71	$1,245.00	$87,297.94
End of year 10
121	$436.49	$1,251.22	$86,046.71
122	$430.23	$1,257.48	$84,789.23
123	$423.95	$1,263.77	$83,525.46
124	$417.63	$1,270.09	$82,255.38
125	$411.28	$1,276.44	$80,978.94
126	$404.89	$1,282.82	$79,696.12
127	$398.48	$1,289.23	$78,406.89
128	$392.03	$1,295.68	$77,111.21
129	$385.56	$1,302.16	$75,809.05
130	$379.05	$1,308.67	$74,500.38
131	$372.50	$1,315.21	$73,185.17
132	$365.93	$1,321.79	$71,863.38
End of year 11
133	$359.32	$1,328.40	$70,534.99
134	$352.67	$1,335.04	$69,199.95
135	$346.00	$1,341.71	$67,858.23
136	$339.29	$1,348.42	$66,509.81
137	$332.55	$1,355.16	$65,154.65
138	$325.77	$1,361.94	$63,792.71
139	$318.96	$1,368.75	$62,423.96
140	$312.12	$1,375.59	$61,048.36
141	$305.24	$1,382.47	$59,665.89
142	$298.33	$1,389.38	$58,276.51
143	$291.38	$1,396.33	$56,880.18
144	$284.40	$1,403.31	$55,476.86
End of year 12
145	$277.38	$1,410.33	$54,066.53
146	$270.33	$1,417.38	$52,649.15
147	$263.25	$1,424.47	$51,224.68
148	$256.12	$1,431.59	$49,793.09
149	$248.97	$1,438.75	$48,354.35
150	$241.77	$1,445.94	$46,908.40
151	$234.54	$1,453.17	$45,455.23
152	$227.28	$1,460.44	$43,994.80
153	$219.97	$1,467.74	$42,527.06
154	$212.64	$1,475.08	$41,051.98
155	$205.26	$1,482.45	$39,569.52
156	$197.85	$1,489.87	$38,079.66
End of year 13
157	$190.40	$1,497.32	$36,582.34
158	$182.91	$1,504.80	$35,077.54
159	$175.39	$1,512.33	$33,565.21
160	$167.83	$1,519.89	$32,045.33
161	$160.23	$1,527.49	$30,517.84
162	$152.59	$1,535.12	$28,982.72
163	$144.91	$1,542.80	$27,439.92
164	$137.20	$1,550.51	$25,889.40
165	$129.45	$1,558.27	$24,331.13
166	$121.66	$1,566.06	$22,765.08
167	$113.83	$1,573.89	$21,191.19
168	$105.96	$1,581.76	$19,609.43
End of year 14
169	$98.05	$1,589.67	$18,019.76
170	$90.10	$1,597.61	$16,422.15
171	$82.11	$1,605.60	$14,816.55
172	$74.08	$1,613.63	$13,202.92
173	$66.01	$1,621.70	$11,581.22
174	$57.91	$1,629.81	$9,951.41
175	$49.76	$1,637.96	$8,313.45
176	$41.57	$1,646.15	$6,667.31
177	$33.34	$1,654.38	$5,012.93
178	$25.06	$1,662.65	$3,350.28
179	$16.75	$1,670.96	$1,679.32
180	$8.40	$1,679.32	$0.00
End of year 15

Year	Interest	Principal	Ending Balance
1	$11,769.23	$8,483.33	$191,516.67
2	$11,246.00	$9,006.57	$182,510.10
3	$10,690.49	$9,562.07	$172,948.02
4	$10,100.72	$10,151.84	$162,796.18
5	$9,474.58	$10,777.98	$152,018.20
6	$8,809.82	$11,442.75	$140,575.45
7	$8,104.05	$12,148.51	$128,426.94
8	$7,354.76	$12,897.80	$115,529.13
9	$6,559.25	$13,693.31	$101,835.82
10	$5,714.68	$14,537.89	$87,297.94
11	$4,818.01	$15,434.55	$71,863.38
12	$3,866.04	$16,386.52	$55,476.86
13	$2,855.36	$17,397.21	$38,079.66
14	$1,782.34	$18,470.23	$19,609.43
15	$643.13	$19,609.43	$0.00

Before choosing a loan, it helps to know more than the amount due each month. The amortization schedule shows how each payment is divided between interest and principal and how quickly the outstanding balance falls. Use the CalculatorAmarosTech Amortization Calculator to compare the repayment schedule and explore the effect of additional payments.

What Is Amortization?

Amortization is the process of paying a loan down over a series of scheduled payments. Each payment normally contains two parts: interest charged for the period and an amount applied to the loan principal. As the principal balance decreases, the interest portion usually becomes smaller and more of each payment goes toward the principal.

How the Amortization Calculator Works

Enter the loan amount, loan term, and annual interest rate above, then select Calculate. The calculator determines the regular monthly payment and provides a payment schedule showing how the balance changes over the life of the loan.

How the Monthly Payment Is Calculated

For a fixed-rate loan, the regular payment is calculated from the amount borrowed, the monthly interest rate, and the total number of monthly payments. In the formula below, P is the loan principal, r is the annual interest rate divided by 12 and expressed as a decimal, and n is the number of monthly payments.

M = P × r × (1 + r)ⁿ ÷ ((1 + r)ⁿ − 1)

When the interest rate is zero, the payment is simply the principal divided by the number of payments. The schedule then applies each payment to interest and principal and updates the remaining balance.

Understanding Your Amortization Results

The result section shows the regular monthly payment, the total amount paid over the scheduled term, and the total interest. The chart gives a visual view of the loan balance and cumulative amounts as the payments progress. You can also switch between the annual and monthly amortization schedules.

Principal and Interest

The principal is the amount originally borrowed. Interest is the cost of borrowing that amount. In a typical fixed-rate amortizing loan, the total payment may remain the same from month to month while the proportions going to interest and principal change over time.

Extra Loan Payments

If you want to explore the effect of paying more than the regular amount, enable Optional: make extra payments. You can enter additional monthly, yearly, or one-time payments and compare the resulting schedule with the regular repayment plan.

Amortization Schedule

An amortization schedule lists the payment periods and shows how much interest and principal are paid and what balance remains. Reviewing the schedule can help you understand the cost of a loan and see how additional payments may shorten the repayment period.

Example

For example, a $200,000 loan over 15 years at 6% interest has a regular monthly payment of approximately $1,687.71. The complete schedule can then be used to see how the balance is reduced month by month and how much interest is paid over the term.

Frequently Asked Questions

What information do I need?

You need the loan amount, the loan term in years and months, and the annual interest rate. The optional payment controls can be used when you want to model additional payments.

Does making extra payments reduce interest?

Additional principal payments can reduce the outstanding balance sooner. Because future interest is calculated from the remaining balance, reducing that balance earlier can reduce the interest paid over the remaining repayment period.

Can I see the schedule month by month?

Yes. Use the Monthly Schedule link in the amortization schedule section to view the individual payment periods. The Annual Schedule provides a shorter year-by-year view.

Is this calculator suitable for every type of loan?

The calculator is designed for standard fixed-rate amortizing loans. Actual loan agreements can include fees, insurance, variable rates, payment rules, or other terms that are not represented by a basic amortization calculation.

About CalculatorAmarosTech

CalculatorAmarosTech provides practical calculators for financial, mathematical, and everyday calculations. The goal is to make each calculator easy to use while presenting the underlying results clearly.