One Rep Max for 42.5 kg × 9 reps

One Rep Max Calculator

What is the one rep max for 42.5 kg × 9 reps?

Answer

Lifting 42.5 kg for 9 reps gives an estimated one rep max of

55.3 kg

Epley formula · an estimate from a set taken close to failure; accuracy depends on the exercise and the person and drops as reps grow

42.5 × (1 + 9 ÷ 30) ≈ 55.3 kg

comparison of methods: six other published formulas give 52.1–56 kg

Training Weights as a % of 1RM
% of 1RM	Working Weight
95%	52.5 kg
90%	49.8 kg
85%	47 kg
80%	44.2 kg
76.9%	42.5 kg — this set
75%	41.5 kg
70%	38.7 kg
65%	35.9 kg
60%	33.2 kg

Related Calculations

55.3 kg to lbs - 55.3 kg ≈ 121.92 pounds

See Also

BMI Meaning - Check what given BMI means
BMI Calculator (Imperial) - Body Mass Index Calculator (ft/in/lbs)
BMI Calculator (Metric) - Body Mass Index Calculator (kg/cm)
Ideal Weight Calculator (Imperial) - Find out the Ideal Weight for a given Height in feet/inches
Ideal Weight Calculator (Metric) - Find out the Ideal Weight for a given Height in centimeters

One Rep Max Table for 42.5 kg

Reps	One Rep Max	% of 1RM
2 reps	45.3 kg	93.8%
3 reps	46.8 kg	90.8%
4 reps	48.2 kg	88.2%
5 reps	49.6 kg	85.7%
6 reps	51 kg	83.3%
7 reps	52.4 kg	81.1%
8 reps	53.8 kg	79%
9 reps	55.3 kg	76.9%
10 reps	56.7 kg	75%
11 reps	58.1 kg	73.1%
12 reps	59.5 kg	71.4%

FAQ

What is the one rep max for 42.5 kg × 9 reps?

Lifting 42.5 kg for 9 reps gives an estimated one rep max of 55.3 kg

How much of my max is 42.5 kg for 9 reps?

42.5 kg for 9 reps works out at 76.9% of an estimated one rep max of 55.3 kg.

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

90% of 55.3 kg is 49.8 kg and 70% is 38.7 kg. Heavy strength work usually sits at 85–95%, while volume and technique work sits nearer 65–75%.

See Also