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  • Profile photo of JustAllanJustAllan
    Participant
    @justallan
    Join Date: 2003
    Post Count: 168

    Hi folks… Last question for today… I promise. :-p

    I find I’m often using online loan calculators and I’d like to be able to do this myself just using a spreadsheet.

    If I’ve got all the necessary figures such as Loan Amount, Deposit, Interest Rate, Loan Term In Years – does anyone know the formula used to give the minimum fortnightly/monthly repayment?

    Allan.

    Profile photo of lifeXlifeX
    Member
    @lifex
    Join Date: 2004
    Post Count: 651

    In Excell, use the PMT function

    PMT =(rate,Nper,Pv,Fv,type)
    rate = interest rate / payments for year
    Nper = total number of repayments for life of loan
    Pv = Loan amount value
    Fv = Future Value
    type = logic value, pay at end of loan = 0, beginning = 1

    So, if you had a 6.5%, $100000 loan paid monthly and interest calculated monthly over 25 years and you want to work out the monthly payment(PMT), then you put the following into your excell fields.

    rate = 6%/12 = 0.005
    Nper = 25 * 12 = 300
    Pv = 100,000
    Fv = 0
    type = 0 (usually)

    PMT = -$644 per month (notice the minus sign to indicate it is a cash outflow.

    I only just learnt this the other day, But I think this gives a basic overview.

    Do a search with excell help on PMT.


    Live, Learn and Grow

    Lifexperience

    Profile photo of JustAllanJustAllan
    Participant
    @justallan
    Join Date: 2003
    Post Count: 168

    Thank you – for making my head hurt… [blush2] I’ll do some helpfile reading!

    Allan.

Viewing 3 posts - 1 through 3 (of 3 total)

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