Calculate the due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 2,000 units (Dollar, Euro, Pound, etc.), from date: Mar 25, 2018, to date: Jul 25, 2018, namely for a period of 122 days (4 Months), with an annual simple flat interest rate of 3% if the commission fee (withdrawal or payment) is 0%.

Principal (initial amount), P = 2,000


Annual simple interest rate, R = 3%


From date: Mar 25, 2018


To date: Jul 25, 2018


Duration, T = 122 days (4 Months)


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


No. of days in a year, N = 365


I = Simple interest:

I = (P × R × T) ÷ N =


(2,000 × 3% × 122) ÷ 365 =


(2,000 × 3 × 122) ÷ (365 × 100) =


732,000 ÷ 36,500 ≈


20.054794520548 ≈


20.05

B = Amount earned:

B = P + I =


2,000 + 20.054794520548 =


2,020.054794520548 ≈


2,020.05

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 2,000 units (Dollar, Euro, Pound, etc.), from date: Mar 25, 2018, to date: Jul 25, 2018, namely for a period of 122 days (4 Months), with an annual simple flat interest rate of 3% if the commission fee (withdrawal or payment) is 0%. Oct 26 12:45 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 1,400 units (Dollar, Euro, Pound, etc.), from date: Dec 05, 0458, to date: Jan 05, 2019, namely for a period of 569,809 days (18,721 Months), with an annual simple flat interest rate of 5% if the commission fee (withdrawal or payment) is 5%. Oct 26 12:45 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 654 units (Dollar, Euro, Pound, etc.), from date: May 01, 0850, to date: Jan 01, 2014, namely for a period of 425,022 days (13,964 Months), with an annual simple flat interest rate of 2% if the commission fee (withdrawal or payment) is 0%. Oct 26 12:45 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 200 units (Dollar, Euro, Pound, etc.), from date: Jun 09, 0192, to date: Aug 28, 2017, namely for a period of 666,647 days (21,902 Months and 19 Days), with an annual simple flat interest rate of 0.9% if the commission fee (withdrawal or payment) is 0%. Oct 26 12:45 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 654 units (Dollar, Euro, Pound, etc.), from date: May 01, 0850, to date: Jan 01, 2014, namely for a period of 425,022 days (13,964 Months), with an annual simple flat interest rate of 2% if the commission fee (withdrawal or payment) is 0%. Oct 26 12:45 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 1,100 units (Dollar, Euro, Pound, etc.), from date: Jun 14, 0720, to date: Dec 14, 2018, namely for a period of 474,268 days (15,582 Months), with an annual simple flat interest rate of 20% if the commission fee (withdrawal or payment) is 0%. Oct 26 12:45 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 1,000,000 units (Dollar, Euro, Pound, etc.), from date: Oct 10, 2019, to date: Oct 11, 2019, namely for a period of 1 days, with an annual simple flat interest rate of 4% if the commission fee (withdrawal or payment) is 0%. Oct 26 12:45 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 190,000 units (Dollar, Euro, Pound, etc.), from date: Jun 07, 0178, to date: Jul 07, 2021, namely for a period of 673,172 days (22,117 Months), with an annual simple flat interest rate of 12% if the commission fee (withdrawal or payment) is 0%. Oct 26 12:45 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 190,000 units (Dollar, Euro, Pound, etc.), from date: Jun 07, 0178, to date: Jul 07, 2021, namely for a period of 673,172 days (22,117 Months), with an annual simple flat interest rate of 12% if the commission fee (withdrawal or payment) is 0%. Oct 26 12:45 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 1,500 units (Dollar, Euro, Pound, etc.), from date: Jun 12, 0758, to date: Jun 12, 2019, namely for a period of 460,571 days (15,132 Months), with an annual simple flat interest rate of 6% if the commission fee (withdrawal or payment) is 0%. Oct 26 12:45 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 21, 2017, to date: May 21, 2017, namely for a period of 30 days, with an annual simple flat interest rate of 226% if the commission fee (withdrawal or payment) is 0%. Oct 26 12:45 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 215,000 units (Dollar, Euro, Pound, etc.), from date: Apr 05, 0536, to date: Apr 05, 2020, namely for a period of 542,020 days (17,808 Months), with an annual simple flat interest rate of 2% if the commission fee (withdrawal or payment) is 0%. Oct 26 12:45 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 215,000 units (Dollar, Euro, Pound, etc.), from date: Apr 05, 0536, to date: Apr 05, 2020, namely for a period of 542,020 days (17,808 Months), with an annual simple flat interest rate of 2% if the commission fee (withdrawal or payment) is 0%. Oct 26 12:45 UTC (GMT)
All users calculated simple flat rate interest values