Calculate the due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 15,000 units (Dollar, Euro, Pound, etc.), from date: Sep 7, 2018, to date: Oct 7, 2022, namely for a period of 1,491 days (49 Months), with an annual simple flat interest rate of 4% if the commission fee (withdrawal or payment) is 0%.

Principal (initial amount), P = 15,000


Annual simple interest rate, R = 4%


From date: Sep 7, 2018


To date: Oct 7, 2022


Duration, T = 1,491 days (49 Months)


Commission fee (withdrawal or payment), F = 0%


No. of days in a year, N = 365


I = Simple interest:

I = (P × R × T) ÷ N =


(15,000 × 4% × 1,491) ÷ 365 =


(15,000 × 4 × 1,491) ÷ (365 × 100) =


89,460,000 ÷ 36,500 =


2,450.958904109589 ≈


2,450.96

B = Amount earned:

B = P + I =


15,000 + 2,450.958904109589 =


17,450.958904109589 ≈


17,450.96

Signs: % percent, ÷ divide, × multiply, ≈ approximately equal;

Writing numbers: comma ',' as thousands separator; point '.' as a decimal mark;

Calculate simple flat rate interest on a principal borrowed, lent

Simple flat rate interest = (Principal × Annual simple flat interest rate × Duration in days) ÷ Number of days in a year

Latest calculated simple flat rate interest values

Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 15,000 units (Dollar, Euro, Pound, etc.), from date: Sep 07, 2018, to date: Oct 07, 2022, namely for a period of 1,491 days (49 Months), with an annual simple flat interest rate of 4% if the commission fee (withdrawal or payment) is 0%. Jul 17 12:40 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 1,290 units (Dollar, Euro, Pound, etc.), from date: Jan 01, 2017, to date: Jan 01, 2018, namely for a period of 365 days (12 Months), with an annual simple flat interest rate of 0% if the commission fee (withdrawal or payment) is 0%. Jul 17 12:40 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 15 units (Dollar, Euro, Pound, etc.), from date: Feb 16, 2018, to date: Jul 16, 2018, namely for a period of 150 days (5 Months), with an annual simple flat interest rate of 1,350% if the commission fee (withdrawal or payment) is 0%. Jul 17 12:40 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 1,000 units (Dollar, Euro, Pound, etc.), from date: Sep 20, 2018, to date: Oct 20, 2018, namely for a period of 30 days, with an annual simple flat interest rate of 0.3% if the commission fee (withdrawal or payment) is 0%. Jul 17 12:40 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 1,350,000 units (Dollar, Euro, Pound, etc.), from date: Jan 23, 2017, to date: Jan 23, 2018, namely for a period of 365 days (12 Months), with an annual simple flat interest rate of 4% if the commission fee (withdrawal or payment) is 0%. Jul 17 12:40 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 30,000,000 units (Dollar, Euro, Pound, etc.), from date: Mar 06, 2017, to date: Apr 06, 2018, namely for a period of 396 days (13 Months), with an annual simple flat interest rate of 16% if the commission fee (withdrawal or payment) is 0%. Jul 17 12:40 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 10,000 units (Dollar, Euro, Pound, etc.), from date: Apr 15, 2019, to date: Apr 15, 2024, namely for a period of 1,827 days (60 Months), with an annual simple flat interest rate of 9.9% if the commission fee (withdrawal or payment) is 2,100%. Jul 17 12:40 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 1,000 units (Dollar, Euro, Pound, etc.), from date: Feb 07, 2017, to date: Mar 07, 2117, namely for a period of 36,552 days (1,201 Months), with an annual simple flat interest rate of 5% if the commission fee (withdrawal or payment) is 0%. Jul 17 12:40 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 7,000 units (Dollar, Euro, Pound, etc.), from date: May 15, 2018, to date: Aug 15, 2018, namely for a period of 92 days (3 Months), with an annual simple flat interest rate of 2% if the commission fee (withdrawal or payment) is 0%. Jul 17 12:40 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 4,000 units (Dollar, Euro, Pound, etc.), from date: Aug 13, 2017, to date: Sep 13, 2017, namely for a period of 31 days, with an annual simple flat interest rate of 2% if the commission fee (withdrawal or payment) is 0%. Jul 17 12:40 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 300,000 units (Dollar, Euro, Pound, etc.), from date: Jan 14, 2019, to date: Feb 14, 2019, namely for a period of 31 days, with an annual simple flat interest rate of 6.05% if the commission fee (withdrawal or payment) is 0%. Jul 17 12:39 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 10,000 units (Dollar, Euro, Pound, etc.), from date: Jan 17, 2019, to date: Feb 17, 2020, namely for a period of 396 days (13 Months), with an annual simple flat interest rate of 5.9% if the commission fee (withdrawal or payment) is 0%. Jul 17 12:39 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 1,700 units (Dollar, Euro, Pound, etc.), from date: Jan 30, 2018, to date: Jan 30, 2019, namely for a period of 365 days (12 Months), with an annual simple flat interest rate of 25% if the commission fee (withdrawal or payment) is 0%. Jul 17 12:39 UTC (GMT)
All users calculated simple flat rate interest values