Metric vs imperial Tables or Computer

Do You believ Metric is safer then Imperial for dive planning purposes?

  • Metric

    Votes: 17 73.9%
  • Imperial

    Votes: 6 26.1%

  • Total voters
    23
  • Poll closed .

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I think metric is far easier to visualise. Every ten metres of depth is another bar of pressure. So the surface is 1 bar, 10 metres is 2 bar and so on.
The same with cylinder fills, each extra bar is a tankfull of air. So a 10 litre cylinder filles to 200 bar contains 2,000 litres of air. It is just so easy.

To us Brits it is quaint that some former colonies have hung on to our "Imperial" measures when we ditched them ages ago. Metric is based on science and logic, Imperial is descended from strange practices in medieval English villages. Measures such as a Gill, a Perch, a Rod and a Link are just history.
 
Bruciebabe:
To us Brits it is quaint that some former colonies have hung on to our "Imperial" measures when we ditched them ages ago. Metric is based on science and logic, Imperial is descended from strange practices in medieval English villages. Measures such as a Gill, a Perch, a Rod and a Link are just history.
Yeah, well Jeremy Clarkson (Top Gear) still uses miles.

And he hates us Yanks. And not just us.

I still think he's a hoot, though.

Anyway, despite living in Europe, I've got all my gauges in Imperial. I've just learned to think that way for diving. I do get weird looks, though.

What else? For driving, I think in kilometers. But temperature is Fahrenheit. Weight is in pounds.

--Marek
 
Bruciebabe:
I think metric is far easier to visualise. Every ten metres of depth is another bar of pressure. So the surface is 1 bar, 10 metres is 2 bar and so on.
The same with cylinder fills, each extra bar is a tankfull of air. So a 10 litre cylinder filles to 200 bar contains 2,000 litres of air. It is just so easy.

To us Brits it is quaint that some former colonies have hung on to our "Imperial" measures when we ditched them ages ago. Metric is based on science and logic, Imperial is descended from strange practices in medieval English villages. Measures such as a Gill, a Perch, a Rod and a Link are just history.

And even we haven't fully sorted our lives out. We still talk of miles per gallon, miles per hour and speed on our road signs is in MPH. When we say how tall someone is, 9 times out of 10, people will say 'six foot', etc, not 182cm or whatever it is. So while we are supposedly metric across the board, we aren't...

However, I agree about the fact that metric makes calculations easier, with respect to bar and so forth.

Mark
 
MarkUK:
And even we haven't fully sorted our lives out. We still talk of miles per gallon, miles per hour and speed on our road signs is in MPH. When we say how tall someone is, 9 times out of 10, people will say 'six foot', etc, not 182cm or whatever it is. So while we are supposedly metric across the board, we aren't...

Absolutely true. I weigh 12 stone, inflate my tyres to 30psi, and Mount Everest is 29,000 feet tall..... yet we seem to dive in metres and bar ???????? :D
 
Thats exactly how i measure things. In addition i get speeding fines for going a certain MPH over the limit, a junction is a certain number of yards away and temperature here is currently 4 degrees Centigrade :)

Oh, an american pint is a different size to the british one.
 

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