Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Muscle Building
Weekly Training Volume Calculator
Calculate your total weekly training volume — measured in repetitions — for any muscle group or exercise. Essential for planning progressive overload and avoiding under- or over-training.
Fill in the required fields to see your result.
Muscle Building
Muscle Gain Prediction Calculator
Estimates how many pounds of lean muscle you can realistically gain per month based on your training history, body weight, genetics, training intensity, and nutrition. Use it to set evidence-based expectations before starting a new program.
Fill in the required fields to see your result.
Key differences
| Weekly Training Volume Calculator | Muscle Gain Prediction Calculator | |
|---|---|---|
| Category | Muscle Building | Muscle Building |
| Inputs required | 3 | 5 |
| Result | Weekly Training Volume (total reps) | Monthly Muscle Gain Potential (lbs) |
| What it does | Calculate your total weekly training volume — measured in repetitions — for any muscle group or exercise. Essential for planning progressive overload and avoiding under- or over-training. | Estimates how many pounds of lean muscle you can realistically gain per month based on your training history, body weight, genetics, training intensity, and nutrition. Use it to set evidence-based expectations before starting a new program. |