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How to convert kilos - stones

I'm creating a weight-loss spreadsheet and I use kilos for measurement and goals, but it is useful to have stones as a point of reference. Is there a function which will convert my weight in KG to St,lb? Considering that there are 14 lb in a stone this could be tricky. I have tried dividing kg by 6.350 but of course the result is to a decimal point. I can't find reference to this type of formula on the Numbers 09 user guide so decided to ask here and would be grateful for suggestions or a definite answer.

MacBook, Mac OS X (10.5.8)

Posted on Jul 5, 2010 5:43 AM

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5 replies

Jul 5, 2010 11:07 AM in response to KOENIG Yvan

Thank you Yvan,
Yes I did search, but if any of the posts listed in the search results answered my query then the answer could be well hidden (or beyond my level of understanding). What I'm wondering is if there is a function to display stones and pounds in a cell, converted from kilos which are in another cell.

So, it is entirely possible that the answer lies in the search results but I haven't seen it, but I still don't know if there is a function that will convert, say 100 kilos in one cell to its equivalent in stones and pounds in another cell.
Or perhaps if not function then there is a formula that I could input to realise this.

Jul 5, 2010 11:29 AM in response to Jon.Gleeson

Jon.Gleeson wrote:
Is there a function which will convert my weight in KG to St,lb? Considering that there are 14 lb in a stone this could be tricky. I have tried dividing kg by 6.350 but of course the result is to a decimal point.


Yvan's suggestions regarding searching the forum is well taken. Unfortunately, the results shown deal with conversion in the other direction—from weight in stones to the equivalent in pounds. Helpful, but not quite what you're looking for.

Converting a mass measurement in kg to the equivalent weight measurement in stones and pounds is a two step process:

First do the kg to pounds conversion. Here are the steps in (sort of) English:

lb = kg x 2.20462262

Then separate that result into stones and pounds:

st = (quotient) lb / 14

lb = (remainder) lb / 14

Assuming you want only to display the result, and not use it in further calculations, the steps can be done in a single formula. As written, it assumes the mass in kg is contained in cell B2:

=QUOTIENT(B2*2.20462262,14)&" st. "&ROUND(MOD(B2*2.20462262,14),0)&" lb."

As written, the formula will display the weight to the nearer whole pound.

For discussion (and further examples) of the functions used, see the iWork Formulas and Functions User Guide, downloadable via the Application menu (in Numbers, the "Numbers" menu).

Regards,
Barry

Jul 5, 2010 12:34 PM in response to Jon.Gleeson

You may use a different formula :

=INT(C*0.157473044418) &" st. "&ROUND(MOD(C 0.157473044418,1)14,0)&" lb."

It's based upon the conversion from kg to stone which I found on the Internet and the conversion from stone to pound which I learnt from the pointed page 😉

I just hope that I made no calculation error.

Yvan KOENIG (VALLAURIS, France) lundi 5 juillet 2010 21:33:32

How to convert kilos - stones

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