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Calculate How Much of Each Debt Payment Goes to Principal or Interest
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 we'll show how much of your current payment is applied to principal and interest.
Are you paying high interest rates on your debts? Consider obtaining a low-rate personal loan, a HELOC, or a Redwood City mortgage refinance to lower your monthly interest expense.
Paying High Interest Rates on Your Debts? Save With a HELOC
Redwood City Homeowners: Leverage Your Home Equity Today
Our rate table lists current home equity offers in your area, which you can use to find a local lender or compare against other loan options. From the [loan type] select box you can choose between HELOCs and home equity loans of a 5, 10, 15, 20 or 30 year duration.
Current Redwood City Mortgage Rates
The following table shows current Redwood City 30-year mortgage rates. You can use the menus to select other loan durations, alter the loan amount, change your down payment, or change your location. More features are available in the advanced drop down
Current Personal Loan Rates
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.
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.
More Ways to Calculate Your Loan Payments
If you make multiple types of irregular or one off payments you can put just about any scenario into our additional mortgage payment calculator and see what your current or future balance will be.
Prefer to calculate offline? See our free Simple Excel loan calculator.
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.
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