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  #1   ^
Old Sat, Apr-09-16, 12:17
CallmeAnn's Avatar
CallmeAnn CallmeAnn is offline
Senior Member
Posts: 1,618
 
Plan: HFLC/IF
Stats: 218/193.8/135 Female 5'4"
BF:?/44%?/?
Progress: 29%
Location: Houston area
Default accuracy of weight plates

I have heard it said that the weight specified on the weight plates is an approximation. Do y'all think this is true?
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  #2   ^
Old Sat, Apr-09-16, 12:30
MickiSue MickiSue is offline
Posts: 8,006
 
Plan: Atkins
Stats: 189/148.6/145 Female 5' 5"
BF:36%/28%/25%
Progress: 92%
Location: Twin Cities, MN
Default

Do you mean on the scales at a doctor's office?

I don't think there is such a thing, short of something so expensive that it's out of the question for even the wealthiest individuals, as a scale that's 100% accurate.

BUT. If we weigh ourselves, over and over, on a hard flat surface with the same scale, we'll eventually see whether the trend, based on that scale, is up, down or steady.

That's one of the reasons why how our clothes fit, and whether or not we need larger or smaller clothes is really a better measure of our progress than the scale, at times.
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  #3   ^
Old Sat, Apr-09-16, 12:35
CallmeAnn's Avatar
CallmeAnn CallmeAnn is offline
Senior Member
Posts: 1,618
 
Plan: HFLC/IF
Stats: 218/193.8/135 Female 5'4"
BF:?/44%?/?
Progress: 29%
Location: Houston area
Default

Oh, no, I mean the plates at the gym that you put on the bar to lift. That's why I asked in this forum.
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  #4   ^
Old Sat, Apr-09-16, 14:35
inflammabl's Avatar
inflammabl inflammabl is offline
Senior Member
Posts: 1,654
 
Plan: Atkins
Stats: 296/220/205 Male 71 inches
BF:25%?
Progress: 84%
Location: Upstate South Carolina
Default

IIIIIIIIIIIIIIIiiiiiiiiiiiiiiiiiiiiiiiii really doubt that. People that lift everyday would be able to tell the difference between a 25+10+10 combination and a 45 if they were not accurate. Once upon a time when I lifted, I kept very detailed records of what I was doing and when. Moreover the cost per pound of weight is kind of a baseline for comparing one set to another when purchasing and there would be some mucho pissed of weight lifters if the printed weight was not accurate.

Then again, I wonder what you mean by approximate. +/-2%? That is, 1lb out of 50? Maybe. 10%? 5lb out of 50? No way.
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  #5   ^
Old Sat, Apr-09-16, 16:57
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thud123 thud123 is offline
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Posts: 3,184
 
Plan: ~25NC/IF
Stats: 342.2/189.2/000 Male 72 inches
BF:
Progress: 45%
Default

So funny you should mention this Ann. I just did a little scale demo on this thread http://forum.lowcarber.org/showthread.php?t=472964 I dropped 3 cheap "10 lb" plates on my good scale and they came in high. I measured each individually and one one of the three measured at 10 lbs.

Again, CHEAP plates from China. I suspect plates at the gyms and name brands would take pride in making sure they follow a tighter tolerance. cheap plates from China are just fine by me however
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  #6   ^
Old Sun, Apr-10-16, 09:18
CallmeAnn's Avatar
CallmeAnn CallmeAnn is offline
Senior Member
Posts: 1,618
 
Plan: HFLC/IF
Stats: 218/193.8/135 Female 5'4"
BF:?/44%?/?
Progress: 29%
Location: Houston area
Default

Quote:
Originally Posted by thud123
So funny you should mention this Ann. I just did a little scale demo on this thread http://forum.lowcarber.org/showthread.php?t=472964 I dropped 3 cheap "10 lb" plates on my good scale and they came in high. I measured each individually and one one of the three measured at 10 lbs.

Again, CHEAP plates from China. I suspect plates at the gyms and name brands would take pride in making sure they follow a tighter tolerance. cheap plates from China are just fine by me however


They are Weider brand. I thought those were reputable but who knows?
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  #7   ^
Old Sun, Apr-10-16, 09:20
CallmeAnn's Avatar
CallmeAnn CallmeAnn is offline
Senior Member
Posts: 1,618
 
Plan: HFLC/IF
Stats: 218/193.8/135 Female 5'4"
BF:?/44%?/?
Progress: 29%
Location: Houston area
Default

Yeah, my wording wasn't very exact, was it? I just meant that they weren't held to a super tight rigid standard. I think I'll bring one to the store next time I buy a scale.
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  #8   ^
Old Sun, Apr-10-16, 18:13
inflammabl's Avatar
inflammabl inflammabl is offline
Senior Member
Posts: 1,654
 
Plan: Atkins
Stats: 296/220/205 Male 71 inches
BF:25%?
Progress: 84%
Location: Upstate South Carolina
Default

Quote:
Originally Posted by thud123
I dropped 3 cheap "10 lb" plates on my good scale and they came in high. I measured each individually and one one of the three measured at 10 lbs.

How high?

Quote:
Again, CHEAP plates from China. I suspect plates at the gyms and name brands would take pride in making sure they follow a tighter tolerance. cheap plates from China are just fine by me however

If they weighed more than 10lb then they were expensive weights.... that is, they put more metal than they should have!
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  #9   ^
Old Sun, Apr-10-16, 19:26
thud123's Avatar
thud123 thud123 is offline
Senior Member
Posts: 3,184
 
Plan: ~25NC/IF
Stats: 342.2/189.2/000 Male 72 inches
BF:
Progress: 45%
Default

Quote:
Originally Posted by inflammabl
How high?


If they weighed more than 10lb then they were expensive weights.... that is, they put more metal than they should have!

one plate was on, the other two together had 1.43 EXTRA iron, sorta like a supplement. Your comment really cracked me up, best laugh I've had all day Thanks!
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  #10   ^
Old Mon, Apr-11-16, 09:10
Nancy LC's Avatar
Nancy LC Nancy LC is offline
Experimenter
Posts: 45,136
 
Plan: Paleo 99.5%
Stats: 210/170/160 Female 67.5"
BF:
Progress: 80%
Location: San Diego, CA
Default

What could be easier to test than a weight? Scales are ubiquitous. Maybe they'd be off a few ounces, but really... if you're lifting 9.9 pounds versus 10, or 10.2 pounds versus 10, would you even notice or care?
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  #11   ^
Old Mon, Apr-11-16, 13:28
CallmeAnn's Avatar
CallmeAnn CallmeAnn is offline
Senior Member
Posts: 1,618
 
Plan: HFLC/IF
Stats: 218/193.8/135 Female 5'4"
BF:?/44%?/?
Progress: 29%
Location: Houston area
Default

Quote:
Originally Posted by thud123
So funny you should mention this Ann. I just did a little scale demo on this thread http://forum.lowcarber.org/showthread.php?t=472964 I dropped 3 cheap "10 lb" plates on my good scale and they came in high. I measured each individually and one one of the three measured at 10 lbs.


I wish I could just set the plates on the scale but for some reason, there has to be a person holding them.
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  #12   ^
Old Mon, Apr-11-16, 16:58
inflammabl's Avatar
inflammabl inflammabl is offline
Senior Member
Posts: 1,654
 
Plan: Atkins
Stats: 296/220/205 Male 71 inches
BF:25%?
Progress: 84%
Location: Upstate South Carolina
Default

Quote:
Originally Posted by thud123
one plate was on, the other two together had 1.43 EXTRA iron, sorta like a supplement.

1.43 pounds out of 20? That's quite a mistake by the manufacturer. Seriously, it cost them an extra 7% in materials.
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  #13   ^
Old Mon, Apr-11-16, 18:09
CallmeAnn's Avatar
CallmeAnn CallmeAnn is offline
Senior Member
Posts: 1,618
 
Plan: HFLC/IF
Stats: 218/193.8/135 Female 5'4"
BF:?/44%?/?
Progress: 29%
Location: Houston area
Default

Quote:
Originally Posted by Nancy LC
What could be easier to test than a weight? Scales are ubiquitous. Maybe they'd be off a few ounces, but really... if you're lifting 9.9 pounds versus 10, or 10.2 pounds versus 10, would you even notice or care?

Maybe not, but I want to be able to use them to test my scale.
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  #14   ^
Old Mon, Apr-11-16, 19:03
MickiSue MickiSue is offline
Posts: 8,006
 
Plan: Atkins
Stats: 189/148.6/145 Female 5' 5"
BF:36%/28%/25%
Progress: 92%
Location: Twin Cities, MN
Default

I understand wanting to get credit for every ounce lost. But in the macro, if the scale says 200 or 198, you still are the same mass.

It's the psychological payback of weighing less, and it's really not as important as being healthy, don't you think?

(None of this is to say that I WON'T celebrate when that scale finally says 145. But I try to understand that the number isn't the issue, even though my emotions say it is.)
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  #15   ^
Old Mon, Apr-11-16, 20:00
Nancy LC's Avatar
Nancy LC Nancy LC is offline
Experimenter
Posts: 45,136
 
Plan: Paleo 99.5%
Stats: 210/170/160 Female 67.5"
BF:
Progress: 80%
Location: San Diego, CA
Default

Ah! Now I understand. Do you have a kitchen scale? Those are usually very accurate.
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