Dear John Ward and All,

We found these two web sites last week. The first was:

http://www.cbtl.org/food/conversions.htm

Which led to:

http://www.onlineconversion.com/cooking.htm

We found that the 'onlineconversion' ideas of metric conversion particularly
useless to a practising cook. Why would anyone ever want to know that:

1 drop = 0.2105263 dash
1 drop = 0.1052632 pinch
or that
1 milliliter/cc = 15.4191935 drop

I suspect that the third of these is wildly inaccurate, and this makes me
doubt the others, although I have no way of checking to the order of
precision implied by these values.

When choosing a level of implied precision, what are the rules?

In the first example, leaving aside the need for a standard drop and a
standard dash, how should we round the calculated value?

1 drop = 0.2105263 dash

Since the number of drops is rounded to one significant figure should we
also round our calculated value to one significant figure?

1 drop = 0.2 dash

Or is there a better way?

Cheers,

Pat Naughtin
Geelong, Australia
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