Max Deadlift Calculator -
Calculate Your One Rep Max (1RM)
The calculator below can be used to determine your approximate one
maximum (1RM) weight for the deadlift. Enter the
weight used (in pounds or kilograms) and the number of reps performed
and press the Calculate button.
This calculator uses a formula that is optimized for calculcating your
deadlift weight. It
uses a composite of the Lombardi and O'Connor formulas and the National
Strength and Conditioning
deadlift coefficients. For a more accurate 1RM bench press
or 1RM squat weight, use the
or the 1RM
. For an explanation of how the
various 1RM formulas work and the differences between them, visit the 1RM
1RM calculators are typically accurate to within 5% of your actual 1RM
calculations using 10 reps or less. The accuracy of the
formulas diminshes past 10 reps, and calculators such as this one
should not be relied upon at all past 20 reps. Keep in mind
that this calculator is not 100% accurate and is only intended
a good starting point for exercise programs that use your 1RM.
MaxRepCalculator.com or the authors of this publication assume
any liability for the information contained herein. The information
contained herein reflects only the opinion of the author and should in
no way to be considered medical advice. Specific medical advice should
be obtained from a qualified and licensed health care practitioner.
Consult your physician before you begin any nutrition, exercise, or
dietary supplement program.