Calculate the due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 500 units (Dollar, Euro, Pound, etc.), from date: Dec 22, 2007, to date: Apr 19, 2018, namely for a period of 3,771 days (124 Months without 3 Days), with an annual simple flat interest rate of 0.02% if the commission fee (withdrawal or payment) is 0%.

Principal (initial amount), P = 500


Annual simple interest rate, R = 0.02%


From date: Dec 22, 2007


To date: Apr 19, 2018


Duration, T = 3,771 days (124 Months without 3 Days)


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


No. of days in a year, N = 365


I = Simple interest:

I = (P × R × T) ÷ N =


(500 × 0.02% × 3,771) ÷ 365 =


(500 × 0.02 × 3,771) ÷ (365 × 100) =


37,710 ÷ 36,500 ≈


1.033150684932 ≈


1.03

B = Amount earned:

B = P + I =


500 + 1.033150684932 =


501.033150684932 ≈


501.03

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 500 units (Dollar, Euro, Pound, etc.), from date: Dec 22, 2007, to date: Apr 19, 2018, namely for a period of 3,771 days (124 Months without 3 Days), with an annual simple flat interest rate of 0.02% if the commission fee (withdrawal or payment) is 0%. Mar 24 09:16 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 4,500 units (Dollar, Euro, Pound, etc.), from date: Nov 22, 2018, to date: Dec 22, 2018, namely for a period of 30 days, with an annual simple flat interest rate of 6.9% if the commission fee (withdrawal or payment) is 0%. Mar 24 09:16 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 150,070 units (Dollar, Euro, Pound, etc.), from date: Sep 09, 2018, to date: Sep 30, 2019, namely for a period of 386 days (12 Months and 21 Days), with an annual simple flat interest rate of 5.5% if the commission fee (withdrawal or payment) is 0%. Mar 24 09:16 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 5,000 units (Dollar, Euro, Pound, etc.), from date: Aug 22, 2018, to date: Sep 22, 2018, namely for a period of 31 days, with an annual simple flat interest rate of 16% if the commission fee (withdrawal or payment) is 0%. Mar 24 09:16 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 19, 2018, to date: Feb 19, 2019, namely for a period of 365 days (12 Months), with an annual simple flat interest rate of 2% if the commission fee (withdrawal or payment) is 0%. Mar 24 09:16 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 2,227 units (Dollar, Euro, Pound, etc.), from date: Oct 23, 2008, to date: Oct 23, 2018, namely for a period of 3,652 days (120 Months), with an annual simple flat interest rate of 2% if the commission fee (withdrawal or payment) is 0%. Mar 24 09:16 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: Sep 22, 2018, to date: Aug 22, 2023, namely for a period of 1,795 days (59 Months), with an annual simple flat interest rate of 4.5% if the commission fee (withdrawal or payment) is 0%. Mar 24 09:16 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: Sep 06, 2018, to date: Oct 06, 2018, namely for a period of 30 days, with an annual simple flat interest rate of 4.5% if the commission fee (withdrawal or payment) is 0%. Mar 24 09:16 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: Nov 08, 2017, to date: Nov 08, 2018, namely for a period of 365 days (12 Months), with an annual simple flat interest rate of 12% if the commission fee (withdrawal or payment) is 0%. Mar 24 09:16 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: Jan 18, 2018, to date: Mar 18, 2018, namely for a period of 59 days (2 Months), with an annual simple flat interest rate of 0.75% if the commission fee (withdrawal or payment) is 0%. Mar 24 09:15 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 100,000 units (Dollar, Euro, Pound, etc.), from date: Aug 30, 2018, to date: Aug 30, 2019, namely for a period of 365 days (12 Months), with an annual simple flat interest rate of 8% if the commission fee (withdrawal or payment) is 0%. Mar 24 09:15 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: Jun 01, 2018, to date: Jul 01, 2018, namely for a period of 30 days, with an annual simple flat interest rate of 10% if the commission fee (withdrawal or payment) is 0%. Mar 24 09:15 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 4,200 units (Dollar, Euro, Pound, etc.), from date: May 15, 2009, to date: May 15, 2018, namely for a period of 3,287 days (108 Months), with an annual simple flat interest rate of 18.55% if the commission fee (withdrawal or payment) is 0%. Mar 24 09:15 UTC (GMT)
All users calculated simple flat rate interest values