How Much Weight Should You Start With?
Informational content: this is not a substitute for medical advice. Check with a doctor before starting a training program, especially if you have a health issue or any pain.
This is the question that leaves most people standing in front of a rack. How much? Too heavy and you miss the set and wreck your technique. Too light and you waste weeks. And nobody can answer it for you from a distance, because the right weight does not depend on your bodyweight or your age, but on things only your first set can reveal.
You are asking the wrong question
"How much should I load?" has no answer. The question you can answer is simple: how hard do I want this set to feel at the end?
For a beginner the answer is almost always the same: finish the set feeling you could have done two or three more. Not ten. Not zero. That marker has a name, reps in reserve, and it is covered in our article on RPE and RIR. Once you have it in mind, the weight becomes a consequence rather than a guess.
The three-set method
Spend your first session on an exercise calibrating. It is not a wasted session, it is the only way to save time afterwards.
- Set 1, very light. Empty bar, or the machine's lightest setting. Do 10 slow reps focusing purely on the movement. You should finish thinking it was ridiculous. That is the point.
- Set 2, a real jump. Add roughly 30 to 40 % of what you think you can handle. Do 8 to 10 reps. Then assess: how many more could you have done?
- Set 3, the adjustment. If you still had six reps left, add more. If you had two or three, you have found your starting weight. Write it down.
Two rules during this calibration: stop any set the moment your technique degrades, and do not chase your maximum. You are not looking for your limit, you are looking for a starting point.
Reference points so you are not starting blind
These are not targets, just reasonable starting points for someone with no experience.
| Exercise | Common starting point |
|---|---|
| Squat, bench press, deadlift | The empty bar, 20 kg, sometimes less with a short bar |
| Overhead press | Empty bar or 4 to 6 kg dumbbells |
| Pull-ups | Assisted machine, or lat pulldown before moving across |
| Dumbbell row | 6 to 10 kg |
| Lateral raises | 2 to 5 kg, and that is already plenty |
| Biceps curl | Empty short bar, or 5 to 8 kg dumbbells |
An Olympic bar weighs 20 kg, a short bar often 10 kg: that detail explains why one person "loads 20 kg" and another 30 for exactly the same effort. Always log the bar itself.
Then use double progression
Once you have your weight, you do not change it every session. You use the simplest and most robust method there is: add reps first, then weight.
Pick a range, say 8 to 12 reps. Then:
| Session | What you do |
|---|---|
| 1 | 40 kg × 8, 8, 7 |
| 2 | 40 kg × 9, 9, 8 |
| 3 | 40 kg × 11, 10, 10 |
| 4 | 40 kg × 12, 12, 12, top of the range reached |
| 5 | 42.5 kg × 8, 8, 8, and the cycle restarts |
Sensible increments: 2.5 kg on upper body lifts, 5 kg on lower body. If you stall, 1.25 kg plates exist and solve most sticking points. This is progressive overload in its least complicated form.
The three mistakes that cost months
Starting too heavy. You learn a degraded movement pattern and will have to unlearn it. The first weeks exist to build technique, not a number.
Staying too light. The opposite error, and more common than people think. If you finish sets knowing you had eight more in you, you are stimulating nothing. Add weight.
Changing exercises every fortnight. You will never know whether you are progressing, because you will never have two comparable data points. Keep the same exercises for at least eight to twelve weeks.
Coming back after a break
If you have trained before and are returning, the trap is different: your memory supplies your old numbers and your body no longer supports them. Deliberately restart at 50 to 60 % of what you used to lift and build back over three to four weeks. Our guide to getting back into lifting lays out that timeline.
Frequently asked questions
Should I test my max to find my level?
No, definitely not early on. A one-rep test demands solid technique and teaches you very little that is useful as a beginner. Your working sets already give you all the information you need to choose loads.
Should I add weight every session?
In the first months progress is fast and you will often add weight weekly. After that the pace slows, and that is normal: progressing once every two or three sessions is still excellent progress.
What if I cannot finish the set I planned?
Stop at your last clean rep and log what you actually did. Off days happen, usually down to sleep or food. If it repeats three sessions running, drop the weight by 10 % and build back from there.
Do machines and dumbbells work the same way?
The method is identical, but the loads are not comparable between them, or even between two machines of different designs. Do not try to match numbers; simply compare each exercise against itself from session to session.
The real comfort, afterwards, is not having to remember anything. In Musku, every exercise in your sessions carries its own targets for weight, reps and rest. You set them once, at the moment you found your starting load, and they show up every session from then on. You arrive at the bar already knowing what to put on it, which is exactly what was missing on your first visit to the gym.