Check this out (calculate 1rm)

got this also

http://www.bodybuilding.com/fun/keats3.htm

About Max Testing...

Since max testing is usually regarded as something only performed by athletes, weightlifters, and powerlifters, I though it would be appropriate to discuss the proper way to perform a max test. The following instructions have been adapted from the National Strength and Conditioning Association's textbook "Essentials of Strength Training and Conditioning, 2000 edition." It is important to remember that you MUST have spotter when performing max tests!

1. Using a light resistance, warm-up the specific exercise using a load that easily allows 5-10 repetitions.

2. Rest 1 minute.

3. Add 10-20 lb for an upper body or 30-40 lb for a lower body exercise respectively. Perform 3-5 repetitions.

4. Rest 2 minutes.

5. Estimate a conservative, near max effort load that will allow the completion of 2-3 repetitions. This will be accomplished by again adding 10-20 lb. for and upper body exercise or 30-40 lb for a lower body exercise.

6. Rest 2-4 minutes.

7. Increase load again by same numbers above and attempt a 1RM. If successful then...

8. Rest 2-4 minutes and add slightly more load, Attempt a 1RM.
 
I guess its not the same for everyone. My 1rep max is 225, but based on what I bench when lifting 4x6 its said my 1rm was 200
 
i didnt check it out, but if it's one of those charts that tells you...its BS
 
Back
Top