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%. Jan 16 08:30 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%. Jan 16 08:30 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%. Jan 16 08:29 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: Jul 01, 1989, to date: Aug 29, 2018, namely for a period of 10,651 days (349 Months and 28 Days), with an annual simple flat interest rate of 5% if the commission fee (withdrawal or payment) is 0%. Jan 16 08:28 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%. Jan 16 08:28 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 250,000,000 units (Dollar, Euro, Pound, etc.), from date: Mar 23, 2017, to date: Mar 23, 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 4%. Jan 16 08:28 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 40,000 units (Dollar, Euro, Pound, etc.), from date: Jan 16, 2019, to date: Jan 16, 2024, namely for a period of 1,826 days (60 Months), with an annual simple flat interest rate of 8% if the commission fee (withdrawal or payment) is 0%. Jan 16 08:27 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 1,275 units (Dollar, Euro, Pound, etc.), from date: Jan 06, 1999, to date: Mar 09, 2018, namely for a period of 7,002 days (230 Months and 3 Days), with an annual simple flat interest rate of 2.93% if the commission fee (withdrawal or payment) is 0%. Jan 16 08:27 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: Mar 21, 2018, to date: Apr 21, 2023, namely for a period of 1,857 days (61 Months), with an annual simple flat interest rate of 9% if the commission fee (withdrawal or payment) is 0%. Jan 16 08:27 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 20,000 units (Dollar, Euro, Pound, etc.), from date: May 14, 2018, to date: May 14, 2020, namely for a period of 731 days (24 Months), with an annual simple flat interest rate of 10% if the commission fee (withdrawal or payment) is 0%. Jan 16 08:25 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 30,000 units (Dollar, Euro, Pound, etc.), from date: Oct 18, 2017, to date: Nov 18, 2027, namely for a period of 3,683 days (121 Months), with an annual simple flat interest rate of 5% if the commission fee (withdrawal or payment) is 0%. Jan 16 08:25 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 2,612.11 units (Dollar, Euro, Pound, etc.), from date: Sep 27, 2018, to date: Sep 27, 2021, namely for a period of 1,096 days (36 Months), with an annual simple flat interest rate of 3.1% if the commission fee (withdrawal or payment) is 0%. Jan 16 08:24 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 30, 2018, to date: Feb 28, 2021, namely for a period of 1,125 days (37 Months without 2 Days), with an annual simple flat interest rate of 16% if the commission fee (withdrawal or payment) is 0%. Jan 16 08:24 UTC (GMT)
All users calculated simple flat rate interest values