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    One Rep Max for 82.5 kg × 8 reps

    One Rep Max Calculator
    One Rep Max for
    lifted for
    reps

    What is the one rep max for 82.5 kg × 8 reps?

    Answer

    Lifting 82.5 kg for 8 reps gives an estimated one rep max of
    104.5 kg

    A set of 8 reps at 82.5 kg is

    78.9%

    of your estimated one rep max

    Note: this is an estimate, not a tested max. Rep-based formulas are closest at 2–6 reps and drift further apart as the set gets longer. Warm up and use a spotter before attempting a true single.

    How to Calculate One Rep Max

    Epley Formula: 1RM = weight × (1 + reps ÷ 30)

    The Epley formula assumes that every extra repetition you can complete corresponds to roughly 3.33% more weight on the bar. Put your set into it:

    82.5 × (1 + 8 ÷ 30)

    ≈

    82.5 × 1.2667

    ≈

    104.5 kg

    Training Weights as a % of 1RM

    Percentages of your estimated max of 104.5 kg, the way most strength programmes prescribe load:

    % of 1RMWorking Weight
    95%99.3 kg
    90%94.1 kg
    85%88.8 kg
    80%83.6 kg
    75%78.4 kg
    70%73.2 kg
    65%67.9 kg
    60%62.7 kg

    Other One Rep Max Formulas

    Published 1RM formulas disagree, and the gap widens with the rep count. This page answers with Epley; here is what the others give for 82.5 kg × 8 reps:

    FormulaEstimated 1RM
    Epley104.5 kg
    Brzycki102.4 kg
    Lombardi101.6 kg
    O'Conner99 kg
    Wathan105.8 kg
    Lander103.2 kg
    Mayhew104.2 kg

    Related Calculations

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    What is my 1 rep max for 82.5 kg × 8 reps?. 82.5 kg for 8 reps gives an estimated one rep max of 104.5 kg. That set is 78.9% of your maximum — see the full rep table.
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    One Rep Max Table for 82.5 kg

    RepsOne Rep Max% of 1RM
    2 reps88 kg93.8%
    3 reps90.8 kg90.9%
    4 reps93.5 kg88.2%
    5 reps96.3 kg85.7%
    6 reps99 kg83.3%
    7 reps101.8 kg81.1%
    8 reps104.5 kg78.9%
    9 reps107.3 kg76.9%
    10 reps110 kg75%
    11 reps112.8 kg73.2%
    12 reps115.5 kg71.4%

    One Rep Max Calculator

    This calculator estimates your one-rep max (1RM) — the heaviest weight you could lift for a single repetition — from a set you have already completed. For example, it can help you find out what is the one rep max for 82.5 kg × 8 reps? (The answer is: 104.5 kg). Enter the weight you lifted (e.g. 82.5), pick pounds or kilograms, and enter how many reps you managed (e.g. 8).
    Recalculate with different values ↑

    FAQ

    What is the one rep max for 82.5 kg × 8 reps?

    Lifting 82.5 kg for 8 reps gives an estimated one rep max of 104.5 kg

    How much of my max is 82.5 kg for 8 reps?

    82.5 kg for 8 reps works out at 78.9% of an estimated one rep max of 104.5 kg.

    What should I lift at 90% and 70% of that max?

    90% of 104.5 kg is 94.1 kg and 70% is 73.2 kg. Heavy strength work usually sits at 85–95%, while volume and technique work sits nearer 65–75%.

    See Also