Cable Forum - tons and tonnes

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- - tons and tonnes (https://www.cableforum.uk/board/showthread.php?t=34818)

homealone

08-09-2005 20:56

Re: tons and tonnes

if you take 1lb = 0.454kg

then 2240*0.454=1016.96

JohnHorb

08-09-2005 20:57

Re: tons and tonnes

:D
<pedant>
rounded up = 1016.05
rounded down = 1016.04
rounded off = 1016.05
</pedant>
:)

Caspar

08-09-2005 20:57

Re: tons and tonnes

What's all this about then?

marky

08-09-2005 20:59

Re: tons and tonnes

Quote:

Originally Posted by Caspar

What's all this about then?

boredom and taxing the brain ;)

Theodoric

08-09-2005 21:02

Re: tons and tonnes

Quote:

Originally Posted by JohnHorb

According to google - 1016.00

...or then again, elsewhere - 1016.047

According to BS 350 (admittedly the ancient 1962 edition), 1 lb = 453.59237 g.
Therefore the long ton of 2240 pounds = 1016.0469088 kg, which is better than to the nearest mg.

Is this close enough? :)

JohnHorb

08-09-2005 21:03

Re: tons and tonnes

To get really pedantic, taking 1 pound = 0.45359237 kg

2240lb = 1016.0469088 kg

(bet you wish you'd never started this, Marky :p: )

[Edit] Damn, beaten to it!

marky

08-09-2005 21:07

Re: tons and tonnes

Quote:

Originally Posted by Theodoric

cool i'll weigh in the old water tank knowing that i'm not going to be ripped of for .008 af a kilo :D

Theodoric

08-09-2005 21:07

Re: tons and tonnes

Quote:

Originally Posted by JohnHorb

To get really pedantic, taking 1 pound = 0.45359237 kg

2240lb = 1016.0469088 kg

(bet you wish you'd never started this, Marky :p: )

[Edit] Damn, beaten to it!

Actually, I suppose we ought to quote the conversion to the same number of sig figs, namely 8, which gives us a miserly 1016.0469 kg.

Martin

08-09-2005 21:09

Re: tons and tonnes

Quote:

Avoirdupois measure 1 gross ton = 1 long ton = 2240 pounds
1 net ton = 1 short ton = 2000 pounds
1 pound = 16 ounces = 7000 grains
1 ounce = 16 drachms = 437.5 grains

1 long ton = 20 hundredweight
1 hundredweight = 4 quarters = 112 pounds
1 quarter = 2 stone = 28 pounds
1 quintal = 100 pounds

Standard measure 1 tonne = 1 metric ton
1 tonne = 1000 kilograms
1 kilograms = 1000 grams

Now i have headache! I hate weights and measures!!

Theodoric

08-09-2005 21:10

Re: tons and tonnes

And it has just struck me. Why is an Imperial to metric conversion considered as entertainment?

marky

08-09-2005 21:12

Re: tons and tonnes

Quote:

Originally Posted by Theodoric

And it has just struck me. Why is an Imperial to metric conversion considered as entertainment?

because its fun ;)

Theodoric

08-09-2005 21:19

Re: tons and tonnes

Quote:

Originally Posted by marky

because its fun ;)

Offhand, the only humorous unit that I can think of is the barn. This is 10^-24 sq cm, is used as a unit of cross section for nuclear reactions, and is so called because it is as big as a barn door for most nuclear reactions.

marky

08-09-2005 21:21

Re: tons and tonnes

but i find maths fun :)

i'm crap at english :(

Theodoric

08-09-2005 21:24

Re: tons and tonnes

And I suppose that the latest metric prefixes, zepto and yocto, could be considered amusing. Somehow, I can't really take a yoctogramme very seriously.

Martin

08-09-2005 21:26

Re: tons and tonnes

Quote:

Originally Posted by marky

but i find maths fun :)

i'm crap at english :(

Maths isn't fun!! English is a bit more fun! :dozey:

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