Calculator: calculate duration period of the investement (lending, borrowing, deposit) to earn a certain simple flat rate interest on the principal (starting amount) by the simple flat interest rate and additional transaction fees

Calculator: investment duration for earning a due simple flat rate interest

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

Latest calculated duration periods for borrowing, lending or investing money

Calculate the investment duration period, in days, of the initial starting amount (borrowed, deposited or lent principal), of 104,309 units (Dollar, Euro, Pound, etc.), in order to produce an interest of 87 units (Dollar, Euro, Pound, etc.), with an annual simple flat interest rate of 7% if the commission fee (withdrawal) is 0%. Oct 04 00:59 UTC (GMT)
Calculate the investment duration period, in days, of the initial starting amount (borrowed, deposited or lent principal), of 2,273 units (Dollar, Euro, Pound, etc.), in order to produce an interest of 367 units (Dollar, Euro, Pound, etc.), with an annual simple flat interest rate of 5% if the commission fee (withdrawal) is 0%. Oct 04 00:59 UTC (GMT)
Calculate the investment duration period, in days, of the initial starting amount (borrowed, deposited or lent principal), of 4,931 units (Dollar, Euro, Pound, etc.), in order to produce an interest of 219 units (Dollar, Euro, Pound, etc.), with an annual simple flat interest rate of 7.5% if the commission fee (withdrawal) is 0%. Oct 04 00:59 UTC (GMT)
Calculate the investment duration period, in days, of the initial starting amount (borrowed, deposited or lent principal), of 1,283,852 units (Dollar, Euro, Pound, etc.), in order to produce an interest of 507 units (Dollar, Euro, Pound, etc.), with an annual simple flat interest rate of 5% if the commission fee (withdrawal) is 0%. Oct 04 00:58 UTC (GMT)
Calculate the investment duration period, in days, of the initial starting amount (borrowed, deposited or lent principal), of 4,353 units (Dollar, Euro, Pound, etc.), in order to produce an interest of 193 units (Dollar, Euro, Pound, etc.), with an annual simple flat interest rate of 7.5% if the commission fee (withdrawal) is 0%. Oct 04 00:58 UTC (GMT)
Calculate the investment duration period, in days, of the initial starting amount (borrowed, deposited or lent principal), of 2,601 units (Dollar, Euro, Pound, etc.), in order to produce an interest of 44 units (Dollar, Euro, Pound, etc.), with an annual simple flat interest rate of 7.5% if the commission fee (withdrawal) is 0%. Oct 04 00:58 UTC (GMT)
Calculate the investment duration period, in days, of the initial starting amount (borrowed, deposited or lent principal), of 6,901 units (Dollar, Euro, Pound, etc.), in order to produce an interest of 141 units (Dollar, Euro, Pound, etc.), with an annual simple flat interest rate of 7.5% if the commission fee (withdrawal) is 0%. Oct 04 00:58 UTC (GMT)
Calculate the investment duration period, in days, of the initial starting amount (borrowed, deposited or lent principal), of 410 units (Dollar, Euro, Pound, etc.), in order to produce an interest of 29 units (Dollar, Euro, Pound, etc.), with an annual simple flat interest rate of 7% if the commission fee (withdrawal) is 0%. Oct 04 00:57 UTC (GMT)
Calculate the investment duration period, in days, of the initial starting amount (borrowed, deposited or lent principal), of 3,811 units (Dollar, Euro, Pound, etc.), in order to produce an interest of 0 units (Dollar, Euro, Pound, etc.), with an annual simple flat interest rate of 7.5% if the commission fee (withdrawal) is 0%. Oct 04 00:57 UTC (GMT)
Calculate the investment duration period, in days, of the initial starting amount (borrowed, deposited or lent principal), of 4,479 units (Dollar, Euro, Pound, etc.), in order to produce an interest of 123 units (Dollar, Euro, Pound, etc.), with an annual simple flat interest rate of 7.5% if the commission fee (withdrawal) is 0%. Oct 04 00:57 UTC (GMT)
Calculate the investment duration period, in days, of the initial starting amount (borrowed, deposited or lent principal), of 2,017 units (Dollar, Euro, Pound, etc.), in order to produce an interest of 60 units (Dollar, Euro, Pound, etc.), with an annual simple flat interest rate of 7.5% if the commission fee (withdrawal) is 0%. Oct 04 00:56 UTC (GMT)
Calculate the investment duration period, in days, of the initial starting amount (borrowed, deposited or lent principal), of 735 units (Dollar, Euro, Pound, etc.), in order to produce an interest of 114 units (Dollar, Euro, Pound, etc.), with an annual simple flat interest rate of 7% if the commission fee (withdrawal) is 0%. Oct 04 00:56 UTC (GMT)
Calculate the investment duration period, in days, of the initial starting amount (borrowed, deposited or lent principal), of 5,773 units (Dollar, Euro, Pound, etc.), in order to produce an interest of 157 units (Dollar, Euro, Pound, etc.), with an annual simple flat interest rate of 7.5% if the commission fee (withdrawal) is 0%. Oct 04 00:56 UTC (GMT)
All duration periods calculated by users


How to calculate duration (period) of a deposit, borrowing or lending, in order to collect or pay a certain simple flat rate interest by the principal (initial starting amount of money), simple flat interest rate and additional transaction fees (withdrawal, payment in advance, etc.).

Annual simple flat rate interest formula:

Examples of how to calculate the duration of a deposit, borrowing or lending, for earning a due simple flat rate interest:

Duration (period) of a simple flat interest rate investment formula calculated for a period of n years:

Duration (period) of a simple flat interest rate investment formula calculated for a period of m months:

Duration (period) of a simple flat interest rate investment formula calculated for a period of d days:

More examples on how the duration of a deposit, borrowing or lending for earning a certain simple flat rate interest formula works: