Calculate the due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 100 units (Dollar, Euro, Pound, etc.), from date: Jul 26, 962, to date: Jul 26, 2017, namely for a period of 385,331 days (12,660 Months), with an annual simple flat interest rate of 12% if the commission fee (withdrawal or payment) is 0%.

Principal (initial amount), P = 100


Annual simple interest rate, R = 12%


From date: Jul 26, 962


To date: Jul 26, 2017


Duration, T = 385,331 days (12,660 Months)


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


No. of days in a year, N = 365


I = Simple interest:

I = (P × R × T) ÷ N =


(100 × 12% × 385,331) ÷ 365 =


(100 × 12 × 385,331) ÷ (365 × 100) =


462,397,200 ÷ 36,500 ≈


12,668.416438356164 ≈


12,668.42

B = Amount earned:

B = P + I =


100 + 12,668.416438356164 =


12,768.416438356164 ≈


12,768.42

Signs: % percent, ÷ divide, × multiply, = equal, ≈ 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 100 units (Dollar, Euro, Pound, etc.), from date: Jul 26, 0962, to date: Jul 26, 2017, namely for a period of 385,331 days (12,660 Months), with an annual simple flat interest rate of 12% if the commission fee (withdrawal or payment) is 0%. Nov 24 00:33 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 82,200 units (Dollar, Euro, Pound, etc.), from date: Dec 31, 2020, to date: Dec 26, 2021, namely for a period of 360 days (12 Months without 5 Days), with an annual simple flat interest rate of 18% if the commission fee (withdrawal or payment) is 0%. Nov 24 00:33 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 476,287 units (Dollar, Euro, Pound, etc.), from date: May 31, 2017, to date: May 01, 2042, namely for a period of 9,101 days (300 Months without 30 Days), with an annual simple flat interest rate of 25% if the commission fee (withdrawal or payment) is 0%. Nov 24 00:33 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: Feb 02, 2019, to date: Mar 02, 2029, namely for a period of 3,681 days (121 Months), with an annual simple flat interest rate of 2% if the commission fee (withdrawal or payment) is 0%. Nov 24 00:33 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 100 units (Dollar, Euro, Pound, etc.), from date: Feb 10, 2019, to date: Mar 10, 2019, namely for a period of 28 days, with an annual simple flat interest rate of 10% if the commission fee (withdrawal or payment) is 0%. Nov 24 00:33 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 16,900 units (Dollar, Euro, Pound, etc.), from date: Jun 06, 2017, to date: Jul 06, 2017, namely for a period of 30 days, with an annual simple flat interest rate of 884% if the commission fee (withdrawal or payment) is 0%. Nov 24 00:33 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 100 units (Dollar, Euro, Pound, etc.), from date: Apr 14, 2018, to date: Apr 14, 2019, namely for a period of 365 days (12 Months), with an annual simple flat interest rate of 346% if the commission fee (withdrawal or payment) is 0%. Nov 24 00:33 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 1 units (Dollar, Euro, Pound, etc.), from date: Oct 25, 0970, to date: Nov 01, 1974, namely for a period of 366,710 days (12,049 Months without 24 Days), with an annual simple flat interest rate of 10% if the commission fee (withdrawal or payment) is 0%. Nov 24 00:32 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 1 units (Dollar, Euro, Pound, etc.), from date: Oct 25, 0970, to date: Nov 01, 1974, namely for a period of 366,710 days (12,049 Months without 24 Days), with an annual simple flat interest rate of 10% if the commission fee (withdrawal or payment) is 0%. Nov 24 00:32 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 23, 0582, to date: Mar 23, 2019, namely for a period of 524,881 days (17,245 Months), with an annual simple flat interest rate of 4.5% if the commission fee (withdrawal or payment) is 0%. Nov 24 00:32 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 100 units (Dollar, Euro, Pound, etc.), from date: Dec 31, 2016, to date: Jan 31, 2017, namely for a period of 31 days, with an annual simple flat interest rate of 3% if the commission fee (withdrawal or payment) is 380%. Nov 24 00:32 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 5,300 units (Dollar, Euro, Pound, etc.), from date: Dec 17, 2018, to date: Jan 17, 2022, namely for a period of 1,127 days (37 Months), with an annual simple flat interest rate of 10% if the commission fee (withdrawal or payment) is 0%. Nov 24 00:32 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 3,000 units (Dollar, Euro, Pound, etc.), from date: Oct 15, 2020, to date: Sep 15, 2021, namely for a period of 335 days (11 Months), with an annual simple flat interest rate of 3% if the commission fee (withdrawal or payment) is 0%. Nov 24 00:32 UTC (GMT)
All users calculated simple flat rate interest values