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    One Rep Max for 250 kg × 12 reps

    One Rep Max Calculator
    One Rep Max for
    lifted for
    reps

    What is the one rep max for 250 kg × 12 reps?

    Answer

    Lifting 250 kg for 12 reps gives an estimated one rep max of
    350 kg

    A set of 12 reps at 250 kg is

    71.4%

    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:

    250 × (1 + 12 ÷ 30)

    =

    250 × 1.4

    =

    350 kg

    Training Weights as a % of 1RM

    Percentages of your estimated max of 350 kg, the way most strength programmes prescribe load:

    % of 1RMWorking Weight
    95%332.5 kg
    90%315 kg
    85%297.5 kg
    80%280 kg
    75%262.5 kg
    70%245 kg
    65%227.5 kg
    60%210 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 250 kg × 12 reps:

    FormulaEstimated 1RM
    Epley350 kg
    Brzycki360 kg
    Lombardi320.5 kg
    O'Conner325 kg
    Wathan355 kg
    Lander361 kg
    Mayhew338.5 kg

    Related Calculations

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    What is my 1 rep max for 250 kg × 12 reps?. 250 kg for 12 reps gives an estimated one rep max of 350 kg. That set is 71.4% of your maximum — see the full rep table.
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    One Rep Max Table for 250 kg

    RepsOne Rep Max% of 1RM
    2 reps266.7 kg93.8%
    3 reps275 kg90.9%
    4 reps283.3 kg88.2%
    5 reps291.7 kg85.7%
    6 reps300 kg83.3%
    7 reps308.3 kg81.1%
    8 reps316.7 kg78.9%
    9 reps325 kg76.9%
    10 reps333.3 kg75%
    11 reps341.7 kg73.2%
    12 reps350 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 250 kg × 12 reps? (The answer is: 350 kg). Enter the weight you lifted (e.g. 250), pick pounds or kilograms, and enter how many reps you managed (e.g. 12).
    One Rep Max Calculator
    One Rep Max for
    lifted for
    reps

    FAQ

    What is the one rep max for 250 kg × 12 reps?

    Lifting 250 kg for 12 reps gives an estimated one rep max of 350 kg

    How much of my max is 250 kg for 12 reps?

    250 kg for 12 reps works out at 71.4% of an estimated one rep max of 350 kg.

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

    90% of 350 kg is 315 kg and 70% is 245 kg. Heavy strength work usually sits at 85–95%, while volume and technique work sits nearer 65–75%.

    See Also