[AccessD] A2003: Calculating tax amounts

Darren,

Try Amt / (1 + Tax Rate).

Eg $112.5 / (1 + 0.125) = $100  (12.5% is the NZ GST Rate)

Regards

David

At 29/08/2008, you wrote:
>Hi team
>
>I have asked this years ago and can't find the answer nor the dB I 
>performed it
>on :-(
>
>I need to know the inclusive and exclusive tax components of a given amount
>
>Here in OZ the tax rate on goods and services is 10 percent
>
>So if I have a $150 tax Exclusive amount then the Tax inclusive 
>amount is $165 -
>Simple
>
>And whilst ever the tax rate is 10 percent I can divide by one 11th to get the
>Tax Exclusive amount - no prob
>
>But I had a formula from some lovely person on this list that 
>allowed this to be
>dynamically calculated regardless of the tax rate
>
>Any clues?
>
>Many thanks in advance
>
>Darren
>
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