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 100 units (Dollar, Euro, Pound, etc.), in order to produce an interest of 24 units (Dollar, Euro, Pound, etc.), with an annual simple flat interest rate of 5% if the commission fee (withdrawal) is 0%. Apr 02 09:42 UTC (GMT)
Calculate the investment duration period, in days, of the initial starting amount (borrowed, deposited or lent principal), of 4,000 units (Dollar, Euro, Pound, etc.), in order to produce an interest of 10 units (Dollar, Euro, Pound, etc.), with an annual simple flat interest rate of 620% if the commission fee (withdrawal) is 0%. Apr 02 09:42 UTC (GMT)
Calculate the investment duration period, in days, of the initial starting amount (borrowed, deposited or lent principal), of 1,000 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 0.25% if the commission fee (withdrawal) is 0%. Apr 02 03:35 UTC (GMT)
Calculate the investment duration period, in days, of the initial starting amount (borrowed, deposited or lent principal), of 18,655 units (Dollar, Euro, Pound, etc.), in order to produce an interest of 1,045 units (Dollar, Euro, Pound, etc.), with an annual simple flat interest rate of 1% if the commission fee (withdrawal) is 896%. Apr 01 19:48 UTC (GMT)
Calculate the investment duration period, in days, of the initial starting amount (borrowed, deposited or lent principal), of 100 units (Dollar, Euro, Pound, etc.), in order to produce an interest of 24 units (Dollar, Euro, Pound, etc.), with an annual simple flat interest rate of 5% if the commission fee (withdrawal) is 0%. Apr 01 19:11 UTC (GMT)
Calculate the investment duration period, in days, of the initial starting amount (borrowed, deposited or lent principal), of 4,000 units (Dollar, Euro, Pound, etc.), in order to produce an interest of 10 units (Dollar, Euro, Pound, etc.), with an annual simple flat interest rate of 620% if the commission fee (withdrawal) is 0%. Apr 01 19:11 UTC (GMT)
Calculate the investment duration period, in days, of the initial starting amount (borrowed, deposited or lent principal), of 2,000 units (Dollar, Euro, Pound, etc.), in order to produce an interest of 570 units (Dollar, Euro, Pound, etc.), with an annual simple flat interest rate of 10% if the commission fee (withdrawal) is 0%. Apr 01 15:34 UTC (GMT)
Calculate the investment duration period, in days, of the initial starting amount (borrowed, deposited or lent principal), of 18,655 units (Dollar, Euro, Pound, etc.), in order to produce an interest of 1,045 units (Dollar, Euro, Pound, etc.), with an annual simple flat interest rate of 300% if the commission fee (withdrawal) is 52%. Apr 01 11:10 UTC (GMT)
Calculate the investment duration period, in days, of the initial starting amount (borrowed, deposited or lent principal), of 1,237 units (Dollar, Euro, Pound, etc.), in order to produce an interest of 224 units (Dollar, Euro, Pound, etc.), with an annual simple flat interest rate of 2% if the commission fee (withdrawal) is 0%. Apr 01 09:47 UTC (GMT)
Calculate the investment duration period, in days, of the initial starting amount (borrowed, deposited or lent principal), of 7,000 units (Dollar, Euro, Pound, etc.), in order to produce an interest of 456 units (Dollar, Euro, Pound, etc.), with an annual simple flat interest rate of 422% if the commission fee (withdrawal) is 0%. Apr 01 06:52 UTC (GMT)
Calculate the investment duration period, in days, of the initial starting amount (borrowed, deposited or lent principal), of 18,619 units (Dollar, Euro, Pound, etc.), in order to produce an interest of 233 units (Dollar, Euro, Pound, etc.), with an annual simple flat interest rate of 3.5% if the commission fee (withdrawal) is 0.5%. Apr 01 06:41 UTC (GMT)
Calculate the investment duration period, in days, of the initial starting amount (borrowed, deposited or lent principal), of 172 units (Dollar, Euro, Pound, etc.), in order to produce an interest of 100 units (Dollar, Euro, Pound, etc.), with an annual simple flat interest rate of 3% if the commission fee (withdrawal) is 0%. Apr 01 00:47 UTC (GMT)
Calculate the investment duration period, in days, of the initial starting amount (borrowed, deposited or lent principal), of 250 units (Dollar, Euro, Pound, etc.), in order to produce an interest of 1,000 units (Dollar, Euro, Pound, etc.), with an annual simple flat interest rate of 15% if the commission fee (withdrawal) is 0%. Mar 31 23:49 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: