Why do people say "off" referring to quantity?

Why do people say "off" referring to quantity?

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Discussion

DrTre

12,955 posts

232 months

Sunday 25th September 2011
quotequote all
Famous Graham said:
Err...it's "of", not off.

As in "3 of part x"

It's a relatively common way to read out an order list as the supplier will be looking up the inventory first (whether by name or SKU/number). So it makes sense for the quantity to follow, rather than precede.

"Part X. Number 123456. 2 of.
Part Y. Number 490559. 6 of."
Nope, its "off"
The stock control/shelf makes sense.
Thanks op, this has bugged me for years

Eric Mc

122,038 posts

265 months

Sunday 25th September 2011
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I wonder did it start in the textiles industry - which was one of the first large scale industries of the industrial revol;ution. When you are talking about lengths of cotton, yarn, linen etc you would want amounts "off" various rolls or strips of the material.

Ultuous

2,248 posts

191 months

Sunday 25th September 2011
quotequote all
Quite possibly - I always thought/ had been told it came from machining - i.e. machining a batch of components (albeit part-by-part) 'off' a single piece of material!

kev b

2,715 posts

166 months

Sunday 25th September 2011
quotequote all
I always understood it referred to the number of parts produced by a machine,that is why a unique item is called a "one off". If you need fifty parts then you request "fifty off" as in fifty parts coming off the lathe etc.

Ultuous

2,248 posts

191 months

Sunday 25th September 2011
quotequote all
Oh yeah, what he said! smile

Leptons said:
I've been in Engineering 10 years. It's off, as in 'I need 3 finished parts to come off that machine'.

Super Slo Mo

5,368 posts

198 months

Sunday 25th September 2011
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On a slightly related note, why when we refer to something that's unique, to we say it's a "one off".

The same reason perhaps?

hyperblue

2,802 posts

180 months

Sunday 25th September 2011
quotequote all
Caught me out a bit when I first started in engineering, it doesn't sound right.

As others have said, it probably originated from stock keeping/stores.

Deva Link

26,934 posts

245 months

Sunday 25th September 2011
quotequote all
GeraldSmith said:
In UK manufacturing, particularly if it is defence orientated, it is 'off' not 'of'.

A theory is that it comes from the stores taking a number off their stock, but it could be an abbreviation for Material Take Off or Quantity Take Off, but wherever it comes from, it's definitely 'off'.
...and if it's Defence related, they usually spell 'material' as 'materiel'.

pacman1

7,322 posts

193 months

Sunday 25th September 2011
quotequote all
Super Slo Mo said:
On a slightly related note, why when we refer to something that's unique, to we say it's a "one off".

The same reason perhaps?
But shirley that would make it a 'one of one'.

crofty1984

15,862 posts

204 months

Wednesday 28th October 2020
quotequote all
Super Slo Mo said:
On a slightly related note, why when we refer to something that's unique, to we say it's a "one off".

The same reason perhaps?
Yes, if a machine made 50 off, there'd be 49 similar ones to yours. But for "one off" it's unique.

I was taught it was from cutting sections from a longer bar or roll of something: "Cut 5 equal pieces off for production". But taking a component "off" the shelf or stock list also makes sense.

Jasey_

4,884 posts

178 months

Wednesday 28th October 2020
quotequote all
We deal with a manufacturing co and they are always saying 3 off this on 10 off that.

Always wondered why it was.

Having read the answers I'm not really sure I'm any the wiser biggrin.

Pesty

42,655 posts

256 months

Wednesday 28th October 2020
quotequote all
It’s not a grammar issue. Yes people frequently mix up off and of these days but not in this case.

I’ve been working a lot with inventory since COVID

Famous Graham said:
Err...it's "of", not off.

As in "3 of part x"

It's a relatively common way to read out an order list as the supplier will be looking up the inventory first (whether by name or SKU/number). So it makes sense for the quantity to follow, rather than precede.

"Part X. Number 123456. 2 of.
Part Y. Number 490559. 6 of."
No it’s off

Because the store person reduces 1 off his stock list.

I want 6 off candles

Right you are sir.

He has 20 in stock and takes 6 off leaving 14 in stock.


Edited by Pesty on Wednesday 28th October 10:47


Edited by Pesty on Wednesday 28th October 10:52

glenrobbo

35,277 posts

150 months

Wednesday 28th October 2020
quotequote all
750turbo said:
For some of/off their/there finest Ales.

<awaits abuse smile >
You should off been more carefuller what you said they're. smile

GetCarter

29,391 posts

279 months

Wednesday 28th October 2020
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There's a lot off people who didn't listen in school.

Jasey_

4,884 posts

178 months

Wednesday 28th October 2020
quotequote all
I quite like this explanation ;

"The correct reason for this, is so the Engineer can be sure no information is missing from the quantity instruction. If it read ‘1 of’ it could be missing ‘1 of 3’ so missing the number 3. Hence producing the wrong amount. Having the word of with an extra ‘f’ clearly shows it’s say ...24 off
Not 24 of and a missing number example ‘ 24 of 50.
I hope this make it clear."

From here;
https://english.stackexchange.com/questions/385024...

anonymous-user

54 months

Wednesday 28th October 2020
quotequote all
crofty1984 said:
Super Slo Mo said:
On a slightly related note, why when we refer to something that's unique, to we say it's a "one off".

The same reason perhaps?
Yes, if a machine made 50 off, there'd be 49 similar ones to yours. But for "one off" it's unique.

I was taught it was from cutting sections from a longer bar or roll of something: "Cut 5 equal pieces off for production". But taking a component "off" the shelf or stock list also makes sense.
WTF were you searching for to pick up, and comment on a thread as boring as this that’s not been commented on for 9 years!? smile

baconsarney

11,992 posts

161 months

Wednesday 28th October 2020
quotequote all
Pesty said:
No it’s off

Because the store person reduces 1 off his stock list.

I want 6 off candles

Right you are sir.

He has 20 in stock and takes 6 off leaving 14 in stock.


Edited by Pesty on Wednesday 28th October 10:47
Not four candles?

It's definitely 'off', when I worked with the CIA they used to 'off' people, not 'of' them.

silverfoxcc

7,690 posts

145 months

Wednesday 28th October 2020
quotequote all
My old Woodwork teacher used off. ( this was back in the 1960s) he explained it stemmed from wood cutting when you were given a length of wood and told to cut 6 pieces each 3 inches long OFF the supplied piece

It soon ( as most thing do) got contracted to 6 off 3 inches other measurements are avaiable

silverfoxcc

7,690 posts

145 months

Wednesday 28th October 2020
quotequote all
glenrobbo said:
750turbo said:
For some of/off their/there finest Ales.

<awaits abuse smile >
You should off been more carefuller what you said they're. smile
He was a lot younger then



eldar

21,763 posts

196 months

Wednesday 28th October 2020
quotequote all
silverfoxcc said:
He was a lot younger then
A pint was only 1/3 when this thread started.