Key Takeaways
- Workout volume load is sets x reps x load, added up over every working set. It records the work you did, not how much muscle it built.
- Add each set separately. Writing 3 x 10 when you did 10, 9 and 8 overstates the work.
- Warm-up sets stay out of the totals. This calculator lets you tick them off one by one.
- For muscle growth, the research I found counts weekly sets per muscle, not kilograms lifted[1]. The tool shows both, side by side.
- It gives no goal-based set or rep targets, because I could not tie those numbers to a source.
What Workout Volume Means
The same word is used for two different numbers.
Volume load
Reps times load, summed over your sets. It is often called tonnage. A set of 8 reps at 60 kg is 480 kg.
Weekly sets
A count of working sets for each muscle across the week. It ignores how heavy the sets were. The muscle-growth research below uses this one.
When someone says “I do 12 sets of chest a week”, that is the second meaning. When a log says “4,200 kg today”, it is the first.
The calculator reports both, so you can see which number moved when your training changed.
How to Calculate Workout Volume
Multiply each set, then add the sets.
Set volume = reps x load
Exercise volume = sum of the set volumes
Workout volume = sum of the exercise volumes
Keep one unit all the way through. If your plates are in kilograms and your dumbbells in pounds, convert before you add.
Using the calculator
- Pick the exercise. Choose from the list, or use Custom exercise and set its main muscle.
- Enter every working set. Type the reps and the load for each one, so uneven sets are counted as they happened.
- Tick Warm-up on warm-up sets. They are left out of volume load, working sets and hard sets.
- Add reps in reserve if you want. Sets at or under your chosen cutoff count as hard sets.
- Add exercises and days, then press Calculate. Fill in last week's totals to see the change.
For a bodyweight exercise, tick Bodyweight and enter your body weight in Setup. The tool then counts body weight plus any added load.
Worked Example
Two days, four exercises, one warm-up set.
The loads below are made up to show the arithmetic. Body weight is 80 kg and indirect sets count at 50%.
| Exercise | Sets entered | Volume load (kg) |
|---|---|---|
| Barbell squat | 5 x 60 (warm-up), 5 x 100, 5 x 100, 4 x 100 | 1,400 |
| Barbell bench press | 8 x 70, 8 x 70, 7 x 70 | 1,610 |
| Pull-up (bodyweight) | 8, 7 and 6 reps at 80 kg | 1,680 |
| Barbell row | 10 x 60, 10 x 60, 9 x 60 | 1,740 |
Worked example. The warm-up set is listed but not counted.
The squat is 100 x (5 + 5 + 4) = 1,400 kg. The warm-up 5 x 60 would have added 300 kg, so leaving it out matters.
The week comes to 6,430 kg of volume load across 12 working sets and 87 reps. Counting sets with 4 or fewer reps in reserve, all 12 are hard sets.
By muscle, back gets 6 direct sets. Triceps gets 3 indirect sets from the bench, which count as 1.5 at 50%.
Volume Load Versus Weekly Sets
Which number to watch depends on the question.
Volume load is a record of work. If you repeat the same exercise under similar conditions, a rise in volume load means you did more work. A 2016 review of training monitoring lists volume load among the methods that give useful information about the training stimulus[2].
What it cannot tell you is how hard the sets were. A set of 8 taken close to failure and a set of 8 with plenty left have the same arithmetic.
The dose-response research I found counts sets per muscle per week, not kilograms lifted. A 2017 meta-analysis of 15 studies (34 treatment groups) found that more weekly sets per muscle went with more growth in muscle size[1]. Each additional weekly set was associated with a 0.37% increase in the percentage gain.
A 2026 meta-regression of 67 studies found that gains in muscle size and in strength both rose with weekly set volume, with diminishing returns[3].
What the 2017 study does and does not say
The authors also split sets into fewer than 5, 5 to 9 and 10 or more per muscle, and that comparison showed only a trend (P = 0.074). The study found a graded relationship and does not give one best number of sets[1].
Counting Sets Per Muscle
Direct sets, indirect sets and hard sets.
Direct sets
Sets for the muscle an exercise mainly trains, such as chest on the bench press. They count in full.
Indirect sets
Sets that train a muscle as a helper, such as triceps on the bench press. You choose how much they count, from 0 to 100%.
Renaissance Periodization counts direct sets only[4]. A 2026 meta-regression tried indirect credit of 1, 0.5 and 0, and half credit had the strongest relative evidence[3]. The tool starts at 50% for that reason.
Hard sets
Working sets taken close to failure. You enter reps in reserve, and the tool counts sets at or under your cutoff. It starts at 4, the same limit Renaissance Periodization uses for a working set[4].
Exercises from the list carry a fixed direct and indirect mapping. A custom exercise credits only the main muscle you pick.
For target ranges per muscle, use the Hypertrophy Volume Landmarks Planner. It shows its source and its limits.
Comparing One Week With the Next
Percent change, with a catch.
Change (%) = (this week - last week) / last week x 100
Enter last week's volume load and working sets in the optional box, and the results show the difference. If last week was 0, the tool shows the difference only, because a percent would be undefined.
Compare the same exercises. A leg press and a curl move very different loads, so adding one to the other says little. Adding a set can also raise volume load without making any single set better.
Limits of This Tool
What the numbers can and cannot tell you.
Volume load ignores effort
It treats every kilogram the same, whatever the exercise, range of motion or effort. That makes it a rough guide to the training stimulus, not a measure of it.
Reps in reserve are estimates
A 2022 scoping review with a meta-analysis of 12 studies found people tended to underpredict their reps to failure by about 1 rep on average, with large differences between studies[5]. Accuracy improved slightly closer to failure. The tool takes your numbers as entered and cannot check them.
Bodyweight exercises count full body weight
A pull-up or a dip moves most of your body weight. A push-up keeps your feet on the floor, so your arms lift only part of it. The tool counts all of it, so treat the volume load for those exercises as an upper figure.
The muscle mapping is this tool's own
Which muscles an exercise trains directly or indirectly is set by a fixed list in this tool. It is a coaching convention, not taken from a published standard. Change the credit setting to see how much it moves your weekly totals.
No goal-based targets
The old WordPress page listed set, rep, rest and frequency tables by goal. I could not tie those numbers to a source, so this tool does not give them.
Your sets are not saved
The calculation runs in your browser and your entries are not stored. They are gone when you leave, so use Copy as CSV to keep a week. Only your kg or lb choice is remembered.
Frequently Asked Questions
Sources & References
- Dose-response relationship between weekly resistance training volume and increases in muscle mass: A systematic review and meta-analysis. Schoenfeld BJ, Ogborn D, Krieger JW. Journal of Sports Sciences 35(11):1073-1082 (2017)
- Training Monitoring for Resistance Exercise: Theory and Applications. Scott BR, Duthie GM, Thornton HR, Dascombe BJ. Sports Medicine 46(5):687-698 (2016)
- The Resistance Training Dose Response: Meta-Regressions Exploring the Effects of Weekly Volume and Frequency on Muscle Hypertrophy and Strength Gains. Pelland JC, Remmert JF, Robinson ZP, Hinson SR, Zourdos MC. Sports Medicine 56(2):481-505 (2026)
- Training Volume Landmarks for Muscle Growth. RP Strength. RP Strength article, dated 4 January 2017. Not a study. Defines a working set as 30 to 85 percent of one-rep max, 5 to 30 reps and 0 to 4 reps in reserve, and counts direct sets only. Read on 4 November 2026. (2017)
- Accuracy in Predicting Repetitions to Task Failure in Resistance Exercise: A Scoping Review and Exploratory Meta-analysis. Halperin I, Malleron T, Har-Nir I, Androulakis-Korakakis P, Wolf M, Fisher J, Steele J. Sports Medicine 52:377-390 (2022)
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Disclaimer: This calculator adds up the sets, reps and loads you enter. It does not measure muscle growth, check your recovery or tell you how much to train. If you have an injury or a health condition, check with a clinician or a qualified coach before changing your training.