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need to calculate interest rate using months not years

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  1. #1
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    need to calculate interest rate using months not years

    Could some provide a formula for me to calculate "rate" as in interest rate? I want to enter in starting balance, ending balance and months not years and have a formula calculate simple interest earned. I would also like to be able to enter in both balance numbers as positive.

    Thank you in advance for any help,
    yeto

  2. #2
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    Re: need to calculate interest rate using months not years

    Simple Interest formula

    =P(1+rt)
    where P is money invested
    r is interest rate as percentage
    t is time periods

    With money invested in A1
    result in B1
    and time period in D1

    rate of interest would be

    =(B1/A1-1)/D1
    Last edited by Special-K; 07-23-2018 at 10:58 AM.
    Regards
    Special-K

    Ensure you describe your problem clearly, I have little time available to solve these problems and do not appreciate numerous changes to them.

  3. #3
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    Re: need to calculate interest rate using months not years

    Thank you. I appreciate you taking time to help.

    yeto

  4. #4
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    Re: need to calculate interest rate using months not years

    Quote Originally Posted by Special-K View Post
    Simple Interest formula

    =P(1+rt)
    where P is money invested
    r is interest rate as percentage
    t is time periods

    With money invested in A1
    result in B1
    and time period in D1

    rate of interest would be

    =(B1/A1-1)/D1
    Thank you. I appreciate you taking time to help.

    yeto

  5. #5
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    Re: need to calculate interest rate using months not years

    multiply that by 100 to state rate in percents,
    and probably multiply that by 12 to state annual rate
    =1200*(B1/A1-1)/D1

  6. #6
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    Re: need to calculate interest rate using months not years

    Thank you. That worked perfectly. I appreciated you taking time to share.

    yeto

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