Rep max conversion forumlas from multiple sets

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05-11-2011 , 12:10 AM

kvh

journeyman

Join Date: Nov 2010 Posts: 216

Hello,

Can anyone point me to the direction of converting a weight done in multiple sets to a rep max?

For example, if I do 300 lbs squats 3 sets of 5 reps, how do I convert that to an approx. 5 rep max?

thanks!

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05-11-2011 , 02:29 AM

Cotton Hill

Carpal \'Tunnel

Join Date: Mar 2010 Posts: 12,307

Not sure of a calculator like that, I do know of this approximate 1 rep max calculator

http://www.exrx.net/Calculators/OneRepMax.html

But it's for converting 1 set of multiple reps into an approximation of what your 1 rep max is around.

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05-11-2011 , 07:35 AM

Doug Funnie II

Carpal \'Tunnel

Join Date: May 2006 Posts: 7,442

That calculation would be too dependent on variables like rest time between sets, training experience, etc.

I think adding 3-6% is probably a pretty good number for most people.

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05-11-2011 , 09:59 AM

cres

Carpal \'Tunnel

Join Date: Oct 2007 Posts: 10,331

http://www.scribd.com/doc/8615840/Ji...ook-Calculator

also

http://tnation.t-nation.com/free_onl...r_wendlers_531

is a direct download. This will return 1RM 5 RM & of course a 5/3/1 Max. Just offering the links, not interested in debating the veracity of the underlying mathematics.

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05-11-2011 , 09:14 PM

luvinurmoney

veteran

Join Date: Jun 2010 Posts: 2,144

Mind over matter. Nobody is going to tell me how much I can lift. I will tell my body how much I'm going to lift.

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05-12-2011 , 02:44 AM

Evoken

2014 Golden Loco

Join Date: Oct 2007 Posts: 10,302

Depends. Some people have bigger spreads and can lift high %s of their 1rm for lots of reps. 3x5rm is generally going to be 83-87% of 1rm in squats in my experience.

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