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Calcimator

Weight Training Recovery Calculator

Recovery time between sessions from age and training volume.

Inputs

%

Results

Recovery time (hours)

43.5

Recovery time (days)1.8
Max sessions/week (per muscle)3.9
Recommended weekly sets14.3
Daily protein target (g)128
Protein deficit (g/day)0
Overtraining risk (0-100)0
Recommended sleep (hrs)8
How to Use This Calculator
  1. Enter age, training intensity (% of 1RM), and total sets per session.
  2. Set sleep hours per night, protein intake (g/kg bodyweight), years of training experience, and bodyweight (kg).
  3. Rate life stress level (1–10) to account for systemic recovery demand.
  4. Read Recovery time (hours) to know the minimum rest before training the same muscle group again.
  5. Use Overtraining risk (0–100) and Protein deficit (g/day) to optimize your training program and nutrition.

How the result changes with Training intensity (% of 1RM)

Training intensity (% of 1RM)Recovery time (hours)
3728
5530.9
7644.2
9363.6

What each input means

Age
Your current age.
Training intensity (% of 1RM)
Average intensity as percentage of your one-rep max.
Total sets per session
Total working sets in a single training session.
Sleep (hrs/night)
Average hours of sleep per night.
Protein intake (g/kg)
Daily protein in grams per kg of bodyweight. 1.6-2.2 g/kg is optimal for muscle recovery.
Years of training experience
Years of consistent resistance training.
Bodyweight (kg)
Your bodyweight in kilograms.
Life stress level (1-10)
Overall life stress: 1=very low, 10=extreme.

What each result means

Recovery time (hours)
Estimated hours needed for full muscle recovery.
Recovery time (days)
Recovery time converted to days.
Max sessions/week (per muscle)
How many times per week you can train the same muscle group.
Recommended weekly sets
Optimal weekly sets per muscle group given your recovery capacity.
Daily protein target (g)
Recommended daily protein intake for optimal recovery.
Protein deficit (g/day)
How many additional grams of protein per day to reach the target.
Overtraining risk (0-100)
Risk of overtraining based on volume, sleep, stress, and nutrition.
Recommended sleep (hrs)
Recommended nightly sleep hours for your age.

How this is calculated

Worked example, using the default values

  1. Identify Input Parameters
    4 parameters
    Age = 35, Training intensity (% of 1RM) = 75, Total sets per session = 20, Sleep (hrs/night) = 7 = 8 input(s) provided
  2. Calculate Recovery time
    Recovery time
    43.5 = 43.5
  3. Calculate Recovery time
    Recovery time
    1.8 = 1.8
  4. Calculate Max sessions/week
    Max sessions/week
    3.9 = 3.9

Engine last updated .

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