Student loan calculator
$227.30/month principal and interest
$7,276 total interest
Principal $20,000 Interest $7,276. 27¢ of every dollar paid goes to interest.
$20,000 over 10 years at 6.52%.
Source: U.S. Department of Education, 2026-27 undergraduate rate (default). An average, not an offer.
| Plan | Payment | Total interest |
|---|---|---|
| Standard (10 years) | $227.30 | $7,276 |
| Tiered Standard (10 years) | $227.30 | $7,276 |
| Extended (15 years) | $174.44 | $11,399 |
| Extended (20 years) | $149.35 | $15,844 |
| Extended (25 years) | $135.29 | $20,587 |
Amortization schedule
First 12 months
| Month | Principal | Interest | Balance |
|---|---|---|---|
| 1 | $118.63 | $108.67 | $19,881.37 |
| 2 | $119.28 | $108.02 | $19,762.09 |
| 3 | $119.93 | $107.37 | $19,642.16 |
| 4 | $120.58 | $106.72 | $19,521.59 |
| 5 | $121.23 | $106.07 | $19,400.35 |
| 6 | $121.89 | $105.41 | $19,278.46 |
| 7 | $122.55 | $104.75 | $19,155.91 |
| 8 | $123.22 | $104.08 | $19,032.69 |
| 9 | $123.89 | $103.41 | $18,908.80 |
| 10 | $124.56 | $102.74 | $18,784.24 |
| 11 | $125.24 | $102.06 | $18,659.00 |
| 12 | $125.92 | $101.38 | $18,533.08 |
Year by year
| Year | Principal | Interest | Balance at year end |
|---|---|---|---|
| 1 | $1,467 | $1,261 | $18,533 |
| 2 | $1,565 | $1,162 | $16,968 |
| 3 | $1,671 | $1,057 | $15,297 |
| 4 | $1,783 | $945 | $13,514 |
| 5 | $1,903 | $825 | $11,611 |
| 6 | $2,030 | $697 | $9,581 |
| 7 | $2,167 | $561 | $7,414 |
| 8 | $2,312 | $415 | $5,102 |
| 9 | $2,468 | $260 | $2,634 |
| 10 | $2,634 | $94 | $0 |
| Total | $20,000 | $7,276 | $0 |
Full schedule, all 120 payments
| Month | Principal | Interest | Balance |
|---|---|---|---|
| 1 | 118.63 | 108.67 | 19,881.37 |
| 2 | 119.28 | 108.02 | 19,762.09 |
| 3 | 119.93 | 107.37 | 19,642.16 |
| 4 | 120.58 | 106.72 | 19,521.59 |
| 5 | 121.23 | 106.07 | 19,400.35 |
| 6 | 121.89 | 105.41 | 19,278.46 |
| 7 | 122.55 | 104.75 | 19,155.91 |
| 8 | 123.22 | 104.08 | 19,032.69 |
| 9 | 123.89 | 103.41 | 18,908.80 |
| 10 | 124.56 | 102.74 | 18,784.24 |
| 11 | 125.24 | 102.06 | 18,659.00 |
| 12 | 125.92 | 101.38 | 18,533.08 |
| 13 | 126.60 | 100.70 | 18,406.48 |
| 14 | 127.29 | 100.01 | 18,279.19 |
| 15 | 127.98 | 99.32 | 18,151.21 |
| 16 | 128.68 | 98.62 | 18,022.53 |
| 17 | 129.38 | 97.92 | 17,893.15 |
| 18 | 130.08 | 97.22 | 17,763.07 |
| 19 | 130.79 | 96.51 | 17,632.29 |
| 20 | 131.50 | 95.80 | 17,500.79 |
| 21 | 132.21 | 95.09 | 17,368.58 |
| 22 | 132.93 | 94.37 | 17,235.65 |
| 23 | 133.65 | 93.65 | 17,101.99 |
| 24 | 134.38 | 92.92 | 16,967.61 |
| 25 | 135.11 | 92.19 | 16,832.51 |
| 26 | 135.84 | 91.46 | 16,696.66 |
| 27 | 136.58 | 90.72 | 16,560.08 |
| 28 | 137.32 | 89.98 | 16,422.76 |
| 29 | 138.07 | 89.23 | 16,284.69 |
| 30 | 138.82 | 88.48 | 16,145.87 |
| 31 | 139.57 | 87.73 | 16,006.30 |
| 32 | 140.33 | 86.97 | 15,865.96 |
| 33 | 141.09 | 86.21 | 15,724.87 |
| 34 | 141.86 | 85.44 | 15,583.01 |
| 35 | 142.63 | 84.67 | 15,440.38 |
| 36 | 143.41 | 83.89 | 15,296.97 |
| 37 | 144.19 | 83.11 | 15,152.78 |
| 38 | 144.97 | 82.33 | 15,007.81 |
| 39 | 145.76 | 81.54 | 14,862.06 |
| 40 | 146.55 | 80.75 | 14,715.51 |
| 41 | 147.35 | 79.95 | 14,568.16 |
| 42 | 148.15 | 79.15 | 14,420.02 |
| 43 | 148.95 | 78.35 | 14,271.07 |
| 44 | 149.76 | 77.54 | 14,121.31 |
| 45 | 150.57 | 76.73 | 13,970.73 |
| 46 | 151.39 | 75.91 | 13,819.34 |
| 47 | 152.21 | 75.09 | 13,667.13 |
| 48 | 153.04 | 74.26 | 13,514.09 |
| 49 | 153.87 | 73.43 | 13,360.21 |
| 50 | 154.71 | 72.59 | 13,205.50 |
| 51 | 155.55 | 71.75 | 13,049.95 |
| 52 | 156.39 | 70.90 | 12,893.56 |
| 53 | 157.24 | 70.06 | 12,736.31 |
| 54 | 158.10 | 69.20 | 12,578.22 |
| 55 | 158.96 | 68.34 | 12,419.26 |
| 56 | 159.82 | 67.48 | 12,259.44 |
| 57 | 160.69 | 66.61 | 12,098.75 |
| 58 | 161.56 | 65.74 | 11,937.18 |
| 59 | 162.44 | 64.86 | 11,774.74 |
| 60 | 163.32 | 63.98 | 11,611.42 |
| 61 | 164.21 | 63.09 | 11,447.21 |
| 62 | 165.10 | 62.20 | 11,282.10 |
| 63 | 166.00 | 61.30 | 11,116.10 |
| 64 | 166.90 | 60.40 | 10,949.20 |
| 65 | 167.81 | 59.49 | 10,781.39 |
| 66 | 168.72 | 58.58 | 10,612.67 |
| 67 | 169.64 | 57.66 | 10,443.04 |
| 68 | 170.56 | 56.74 | 10,272.48 |
| 69 | 171.49 | 55.81 | 10,100.99 |
| 70 | 172.42 | 54.88 | 9,928.57 |
| 71 | 173.35 | 53.95 | 9,755.22 |
| 72 | 174.30 | 53.00 | 9,580.92 |
| 73 | 175.24 | 52.06 | 9,405.68 |
| 74 | 176.20 | 51.10 | 9,229.48 |
| 75 | 177.15 | 50.15 | 9,052.33 |
| 76 | 178.12 | 49.18 | 8,874.22 |
| 77 | 179.08 | 48.22 | 8,695.13 |
| 78 | 180.06 | 47.24 | 8,515.08 |
| 79 | 181.03 | 46.27 | 8,334.04 |
| 80 | 182.02 | 45.28 | 8,152.03 |
| 81 | 183.01 | 44.29 | 7,969.02 |
| 82 | 184.00 | 43.30 | 7,785.02 |
| 83 | 185.00 | 42.30 | 7,600.02 |
| 84 | 186.01 | 41.29 | 7,414.01 |
| 85 | 187.02 | 40.28 | 7,226.99 |
| 86 | 188.03 | 39.27 | 7,038.96 |
| 87 | 189.05 | 38.25 | 6,849.91 |
| 88 | 190.08 | 37.22 | 6,659.82 |
| 89 | 191.11 | 36.19 | 6,468.71 |
| 90 | 192.15 | 35.15 | 6,276.56 |
| 91 | 193.20 | 34.10 | 6,083.36 |
| 92 | 194.25 | 33.05 | 5,889.11 |
| 93 | 195.30 | 32.00 | 5,693.81 |
| 94 | 196.36 | 30.94 | 5,497.45 |
| 95 | 197.43 | 29.87 | 5,300.02 |
| 96 | 198.50 | 28.80 | 5,101.52 |
| 97 | 199.58 | 27.72 | 4,901.93 |
| 98 | 200.67 | 26.63 | 4,701.27 |
| 99 | 201.76 | 25.54 | 4,499.51 |
| 100 | 202.85 | 24.45 | 4,296.66 |
| 101 | 203.95 | 23.35 | 4,092.71 |
| 102 | 205.06 | 22.24 | 3,887.64 |
| 103 | 206.18 | 21.12 | 3,681.47 |
| 104 | 207.30 | 20.00 | 3,474.17 |
| 105 | 208.42 | 18.88 | 3,265.75 |
| 106 | 209.56 | 17.74 | 3,056.19 |
| 107 | 210.69 | 16.61 | 2,845.50 |
| 108 | 211.84 | 15.46 | 2,633.66 |
| 109 | 212.99 | 14.31 | 2,420.67 |
| 110 | 214.15 | 13.15 | 2,206.52 |
| 111 | 215.31 | 11.99 | 1,991.21 |
| 112 | 216.48 | 10.82 | 1,774.73 |
| 113 | 217.66 | 9.64 | 1,557.07 |
| 114 | 218.84 | 8.46 | 1,338.23 |
| 115 | 220.03 | 7.27 | 1,118.21 |
| 116 | 221.22 | 6.08 | 896.98 |
| 117 | 222.43 | 4.87 | 674.56 |
| 118 | 223.63 | 3.67 | 450.92 |
| 119 | 224.85 | 2.45 | 226.07 |
| 120 | 226.07 | 1.23 | 0.00 |
Sources
- Federal Direct Loan rates, 2026-27. U.S. Department of Education, Federal Student Aid, loans first disbursed from July 1, 2026; retrieved September 26, 2026.
Numbers on this page last changed September 26, 2026. How they are calculated: methodology.