Calculate the Due Simple Interest Earned by a Principal of 3,948.00 (Dollar, Euro, Pound). Annual Interest Rate: 9.50%. Duration Period: 2 years, 3 months and 13 days

Calculation method used. Calculation formula. Used notations


[1] Calculation method used: 30 / 360

Number of days in a month
30
Number of days in a year
360

[2] Simple interest. Calculation formula:

I = (P × r × t) ÷ 360


[3] Simple interest. Used notations:

  • I = Simple interest amount - To be calculated.
    Amount accrued as simple interest on the amount lent, deposited or borrowed.

  • 360 = Number of days in a year
  • P = Principal - initial starting amount lent, deposited or borrowed
    P = 3,948.00 units (Dollar, Euro, Pound)
  • r = Annual simple interest rate
    r = 9.50%

  • t = Duration period of the investment, in days
    t = 2 years, 3 months and 13 days
  • t = 2 years × 360 days / year + 3 months × 30 days / month + 13 days

    t = 823 days

» Simple Interest: what is it, how is it calculated?


Calculate the simple interest amount

[4] Substitute for the values
in the Simple Interest formula:

I =


(P × r × t) ÷ 360 =


(3,948.00 × 9.50% × 823) ÷ 360 =


3,948.00 × 9.50 ÷ 100 × 823 ÷ 360 =


(3,948.00 × 9.50 × 823) ÷ (360 × 100) =


30,867,438.00 ÷ 36,000 ≈


857.428833333333 ≈


857.43


The Future Value and Project Breakdown

[5] The Future Value (accumulated value) of the investment:

  • F = The Future Value of the investment is calculated by adding the calculated simple interest amount to the principal.
  • The Future Value of the investment is also called the accumulated value of the investment.

F = P + I =


3,948.00 + 857.43 =


4,805.43


[6] Project Breakdown. Monthly

The simple interest is evenly distributed along the months that make up the project


Month Days Interest Total
interest
Balance
0 0 -- -- 3,948.00
1 30 31.26 31.26 3,979.26
2 30 31.26 62.51 4,010.51
3 30 31.26 93.77 4,041.77
4 30 31.26 125.02 4,073.02
5 30 31.26 156.28 4,104.28
6 30 31.26 187.53 4,135.53
7 30 31.26 218.79 4,166.79
8 30 31.26 250.04 4,198.04
9 30 31.26 281.30 4,229.30
10 30 31.26 312.55 4,260.55
11 30 31.26 343.81 4,291.81
12 30 31.26 375.06 4,323.06
13 30 31.26 406.32 4,354.32
14 30 31.26 437.57 4,385.57
15 30 31.26 468.83 4,416.83
16 30 31.26 500.08 4,448.08
17 30 31.26 531.34 4,479.34
18 30 31.26 562.59 4,510.59
19 30 31.26 593.85 4,541.85
20 30 31.26 625.10 4,573.10
21 30 31.26 656.36 4,604.36
22 30 31.26 687.61 4,635.61
23 30 31.26 718.87 4,666.87
24 30 31.26 750.12 4,698.12
25 30 31.26 781.38 4,729.38
26 30 31.26 812.63 4,760.63
27 30 31.26 843.89 4,791.89
28 13 13.54 857.43 4,805.43
Month Days Interest Total
interest
Balance

Answer:

Principal
3,948.00
Simple Interest Amount
857.43
Future Value
4,805.43

Calculate simple flat rate interest on a principal borrowed, lent

Simple Interest Amount = (Principal × Annual Simple Interest Rate × Duration in days) ÷ Number of days in a year



Simple flat rate interest.

Interest

The annual simple flat interest rate

>> Full article: simple interest