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Calculate How Much of Each Debt Payment Goes to Principal or Interest

Loan Breakdown Calculator

This calculator will help you to determine the principal and interest breakdown on any given payment number.

Enter the loan's original terms (principal, interest rate, number of payments, and monthly payment amount) and click on the "Calculate" button.

Description Amount
Amount Originally Borrowed:
Annual Interest Rate (APR %):
Years In Loan Term:
Monthly Payment Amount:
Monthly Payment Number to Break Down:
Principal Portion of This Payment:
Interest Portion of This Payment:

Make Your Money Work Harder!

Is your bank offering competitive rates which beat inflation and taxes? If not, you may be able to earn a better rate & make your money work harder by shopping around.

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How Amortizing Payments Work

If you have a fixed-rate loan the amount paid each month is determined by the interest rate and the lenght of the loan. Lenders can look at the term of the loan and charge an interest rate which they feels compensates them for the risk of loss, the cost of inflation, their business overhead & their profit margin. With a fixed rate loan the amount of each payment stays the same across the duration of the loan, but the percent of each payment that goes toward principal or interest changes over time. Early on in the loan's term a relatively large share of the payment is applied toward interest, then as the borrower pays down the loan an increasing share of the payment goes toward interest.

Personal Budget Planning.

Rather than using the above calculator repeatedly you can use an amortization schedule to print out the entire schedule for a loan. We host an amortization calculator which enables you to create printable amortization tables. It shows the monthly payments and amortization schedule for the principal and interest portion of loans, while other costs of borrowing like licensing or taxes are excluded.

Example Amortization Table

As an example, consider a 10 year loan for $250,000 at 8% APR with monthly payments. The monthly payment would be $3,033.19 throughout the duration of the loan. In the first payment $1,666.67 would go toward interest while $1,366.52 goes toward principal. In the final payment only $20.09 is spent on interest while $3,013.12 goes toward principal. An amortization chart for this example is listed below.

Payment Number Amount Principal Interest Balance
1 $3,033.19 $1,366.52 $1,666.67 $248,633.48
2 $3,033.19 $1,375.63 $1,657.56 $247,257.85
3 $3,033.19 $1,384.80 $1,648.39 $245,873.05
4 $3,033.19 $1,394.04 $1,639.15 $244,479.01
5 $3,033.19 $1,403.33 $1,629.86 $243,075.68
6 $3,033.19 $1,412.69 $1,620.50 $241,662.99
7 $3,033.19 $1,422.10 $1,611.09 $240,240.89
8 $3,033.19 $1,431.58 $1,601.61 $238,809.31
9 $3,033.19 $1,441.13 $1,592.06 $237,368.18
10 $3,033.19 $1,450.74 $1,582.45 $235,917.44
11 $3,033.19 $1,460.41 $1,572.78 $234,457.03
12 $3,033.19 $1,470.14 $1,563.05 $232,986.89
Year 1 $17,013.11 $19,385.17
13 $3,033.19 $1,479.94 $1,553.25 $231,506.95
14 $3,033.19 $1,489.81 $1,543.38 $230,017.14
15 $3,033.19 $1,499.74 $1,533.45 $228,517.40
16 $3,033.19 $1,509.74 $1,523.45 $227,007.66
17 $3,033.19 $1,519.81 $1,513.38 $225,487.85
18 $3,033.19 $1,529.94 $1,503.25 $223,957.91
19 $3,033.19 $1,540.14 $1,493.05 $222,417.77
20 $3,033.19 $1,550.40 $1,482.79 $220,867.37
21 $3,033.19 $1,560.74 $1,472.45 $219,306.63
22 $3,033.19 $1,571.15 $1,462.04 $217,735.48
23 $3,033.19 $1,581.62 $1,451.57 $216,153.86
24 $3,033.19 $1,592.16 $1,441.03 $214,561.70
Year 2 $18,425.19 $17,973.09
25 $3,033.19 $1,602.78 $1,430.41 $212,958.92
26 $3,033.19 $1,613.46 $1,419.73 $211,345.46
27 $3,033.19 $1,624.22 $1,408.97 $209,721.24
28 $3,033.19 $1,635.05 $1,398.14 $208,086.19
29 $3,033.19 $1,645.95 $1,387.24 $206,440.24
30 $3,033.19 $1,656.92 $1,376.27 $204,783.32
31 $3,033.19 $1,667.97 $1,365.22 $203,115.35
32 $3,033.19 $1,679.09 $1,354.10 $201,436.26
33 $3,033.19 $1,690.28 $1,342.91 $199,745.98
34 $3,033.19 $1,701.55 $1,331.64 $198,044.43
35 $3,033.19 $1,712.89 $1,320.30 $196,331.54
36 $3,033.19 $1,724.31 $1,308.88 $194,607.23
Year 3 $19,954.47 $16,443.81
37 $3,033.19 $1,735.81 $1,297.38 $192,871.42
38 $3,033.19 $1,747.38 $1,285.81 $191,124.04
39 $3,033.19 $1,759.03 $1,274.16 $189,365.01
40 $3,033.19 $1,770.76 $1,262.43 $187,594.25
41 $3,033.19 $1,782.56 $1,250.63 $185,811.69
42 $3,033.19 $1,794.45 $1,238.74 $184,017.24
43 $3,033.19 $1,806.41 $1,226.78 $182,210.83
44 $3,033.19 $1,818.45 $1,214.74 $180,392.38
45 $3,033.19 $1,830.57 $1,202.62 $178,561.81
46 $3,033.19 $1,842.78 $1,190.41 $176,719.03
47 $3,033.19 $1,855.06 $1,178.13 $174,863.97
48 $3,033.19 $1,867.43 $1,165.76 $172,996.54
Year 4 $21,610.69 $14,787.59
49 $3,033.19 $1,879.88 $1,153.31 $171,116.66
50 $3,033.19 $1,892.41 $1,140.78 $169,224.25
51 $3,033.19 $1,905.03 $1,128.16 $167,319.22
52 $3,033.19 $1,917.73 $1,115.46 $165,401.49
53 $3,033.19 $1,930.51 $1,102.68 $163,470.98
54 $3,033.19 $1,943.38 $1,089.81 $161,527.60
55 $3,033.19 $1,956.34 $1,076.85 $159,571.26
56 $3,033.19 $1,969.38 $1,063.81 $157,601.88
57 $3,033.19 $1,982.51 $1,050.68 $155,619.37
58 $3,033.19 $1,995.73 $1,037.46 $153,623.64
59 $3,033.19 $2,009.03 $1,024.16 $151,614.61
60 $3,033.19 $2,022.43 $1,010.76 $149,592.18
Year 5 $23,404.36 $12,993.92
61 $3,033.19 $2,035.91 $997.28 $147,556.27
62 $3,033.19 $2,049.48 $983.71 $145,506.79
63 $3,033.19 $2,063.14 $970.05 $143,443.65
64 $3,033.19 $2,076.90 $956.29 $141,366.75
65 $3,033.19 $2,090.75 $942.44 $139,276.00
66 $3,033.19 $2,104.68 $928.51 $137,171.32
67 $3,033.19 $2,118.71 $914.48 $135,052.61
68 $3,033.19 $2,132.84 $900.35 $132,919.77
69 $3,033.19 $2,147.06 $886.13 $130,772.71
70 $3,033.19 $2,161.37 $871.82 $128,611.34
71 $3,033.19 $2,175.78 $857.41 $126,435.56
72 $3,033.19 $2,190.29 $842.90 $124,245.27
Year 6 $25,346.91 $11,051.37
73 $3,033.19 $2,204.89 $828.30 $122,040.38
74 $3,033.19 $2,219.59 $813.60 $119,820.79
75 $3,033.19 $2,234.38 $798.81 $117,586.41
76 $3,033.19 $2,249.28 $783.91 $115,337.13
77 $3,033.19 $2,264.28 $768.91 $113,072.85
78 $3,033.19 $2,279.37 $753.82 $110,793.48
79 $3,033.19 $2,294.57 $738.62 $108,498.91
80 $3,033.19 $2,309.86 $723.33 $106,189.05
81 $3,033.19 $2,325.26 $707.93 $103,863.79
82 $3,033.19 $2,340.76 $692.43 $101,523.03
83 $3,033.19 $2,356.37 $676.82 $99,166.66
84 $3,033.19 $2,372.08 $661.11 $96,794.58
Year 7 $27,450.69 $8,947.59
85 $3,033.19 $2,387.89 $645.30 $94,406.69
86 $3,033.19 $2,403.81 $629.38 $92,002.88
87 $3,033.19 $2,419.84 $613.35 $89,583.04
88 $3,033.19 $2,435.97 $597.22 $87,147.07
89 $3,033.19 $2,452.21 $580.98 $84,694.86
90 $3,033.19 $2,468.56 $564.63 $82,226.30
91 $3,033.19 $2,485.01 $548.18 $79,741.29
92 $3,033.19 $2,501.58 $531.61 $77,239.71
93 $3,033.19 $2,518.26 $514.93 $74,721.45
94 $3,033.19 $2,535.05 $498.14 $72,186.40
95 $3,033.19 $2,551.95 $481.24 $69,634.45
96 $3,033.19 $2,568.96 $464.23 $67,065.49
Year 8 $29,729.09 $6,669.19
97 $3,033.19 $2,586.09 $447.10 $64,479.40
98 $3,033.19 $2,603.33 $429.86 $61,876.07
99 $3,033.19 $2,620.68 $412.51 $59,255.39
100 $3,033.19 $2,638.15 $395.04 $56,617.24
101 $3,033.19 $2,655.74 $377.45 $53,961.50
102 $3,033.19 $2,673.45 $359.74 $51,288.05
103 $3,033.19 $2,691.27 $341.92 $48,596.78
104 $3,033.19 $2,709.21 $323.98 $45,887.57
105 $3,033.19 $2,727.27 $305.92 $43,160.30
106 $3,033.19 $2,745.45 $287.74 $40,414.85
107 $3,033.19 $2,763.76 $269.43 $37,651.09
108 $3,033.19 $2,782.18 $251.01 $34,868.91
Year 9 $32,196.58 $4,201.70
109 $3,033.19 $2,800.73 $232.46 $32,068.18
110 $3,033.19 $2,819.40 $213.79 $29,248.78
111 $3,033.19 $2,838.20 $194.99 $26,410.58
112 $3,033.19 $2,857.12 $176.07 $23,553.46
113 $3,033.19 $2,876.17 $157.02 $20,677.29
114 $3,033.19 $2,895.34 $137.85 $17,781.95
115 $3,033.19 $2,914.64 $118.55 $14,867.31
116 $3,033.19 $2,934.07 $99.12 $11,933.24
117 $3,033.19 $2,953.64 $79.55 $8,979.60
118 $3,033.19 $2,973.33 $59.86 $6,006.27
119 $3,033.19 $2,993.15 $40.04 $3,013.12
120 $3,033.21 $3,013.12 $20.09 $0.00
Year 10 $34,868.91 $1,529.39
Grand Total   $250,000.00 $113,982.82  

If you are considering making extra payments on a loan it is typically best to make them early in the loan term, as debt that is extinguished early is not accumulating interest for the remainder of the loan period.