Training Volume Calculator (Sets x Reps x Weight)
Enter the sets, reps and weight for one exercise, how often you do it each week and your one-rep max. Use the same weight unit for all three weights. Use it to calculate volume load as sets times reps times weight.
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Formula
volume load per session = sets × reps × weightweekly volume load = volume load per session × sessions per weekaverage intensity = weight ÷ 1RM × 100relative volume = volume load per session ÷ 1RMweekly reps = sets × reps × sessions per week
Use the same weight unit (kg or lb) everywhere. Every set is assumed to use the same weight.
Worked example
4 sets of 8 reps at 80 kg, twice a week, with a 100 kg one-rep max:
- Session:
4 × 8 × 80 =2,560 kg - Week:
2,560 × 2 =5,120 kg - Intensity:
80 ÷ 100 =80 % - Relative volume:
2,560 ÷ 100 =25.6 - Weekly reps:
4 × 8 × 2 =64
When to use it
Use it to compare sessions, track progression across weeks or check whether a deload really lowers the work. Volume load (tonnage) is a simple way of summarising training stress for one exercise.
Typical values (rules of thumb)
- Strength work is usually 70 to 90% of 1RM for low reps, and hypertrophy work 60 to 80% for higher reps.
- Many lifters train a muscle group with about 10 to 20 hard sets a week. This varies by experience.
- Average intensity above 85% is heavy, and relative volume rises quickly with sets and reps.
Common mistakes
- Mixing kg and lb in the same calculation.
- Comparing tonnage across different exercises. 2,500 kg on squats is not the same stress as 2,500 kg on curls.
- Chasing volume while ignoring recovery, technique and the quality of reps.
How it differs from nearby tools
The rep max percentage calculator chooses the load for a set. The plate calculator loads that weight on the bar. This page adds up the work you did.
Frequently asked questions
How do you calculate training volume?
Volume load, often called tonnage, is sets × reps × weight. Four sets of 8 reps at 80 kg is 4 × 8 × 80 = 2,560 kg per session, or 5,120 kg a week at two sessions.
What is relative volume?
Relative volume is session volume load divided by your one-rep max. With a 100 kg max, 2,560 kg of work is 25.6 times your max. It lets you compare volume between lifters or exercises of different strength.
What does average intensity mean here?
Intensity is the weight you lift as a percentage of your 1RM. Lifting 80 kg with a 100 kg max is 80 %. If your sets use different weights, work out each exercise block separately or use the average weight.
How much weekly volume should I do?
There is no single right number. It depends on the exercise, your experience and recovery. Tonnage mixes heavy low-rep and light high-rep work, so track it alongside intensity rather than chasing a total. The figures are a training log tool, not a prescription.
How do I compare 4x8 at 80 kg with 5x5 at 100 kg?
The volume loads are nearly equal: 4 x 8 x 80 = 2,560 kg against 5 x 5 x 100 = 2,500 kg. The difference is intensity. With a 125 kg one-rep max the first is 64% and the second 80%, so the second is heavier work in fewer reps.
Does more training volume always build more strength?
No. Past a point, extra volume brings diminishing returns and more fatigue. Track intensity too: 2,500 kg at 80% of 1RM is a heavier stimulus than 2,560 kg at 64%.
How do you calculate weekly volume load?
Multiply the session volume load by sessions per week. Five sets of 5 reps at 100 kg is 2,500 kg a session, so training three times a week gives 7,500 kg and 75 reps.