Cattle • weight-growthVerified Scientific Formula
Calf & Cattle Average Daily Gain (ADG) Calculator
Computes rate of gain over a defined feeding period in pounds or kilograms per day.
Enter Parameters
Calculated Output
Average Daily Gain (ADG)
3.00lbs/day300 lbs Total Weight Gained
What This Result Means
Over 100 days, the animal gained 300 lbs at an average rate of 3.00 lbs/day.
Calculation Details & Practical Equivalents
Average Daily Gain (ADG)
3.00 lbs/day
Total Weight Gain
300 lbs
Growth Period
100 days
Formula & Mathematical Methodology
Standard Mathematical Formula
ADG = (Ending Weight - Starting Weight) ÷ Days on Feed
Formula Variables Defined
W_startStarting Weight(lbs or kg)
Initial scale weight
W_endEnding Weight(lbs or kg)
Final scale weight
DaysDays on Feed(days)
Duration in days
Step-by-Step Calculation Example
Example: Stocker Calf (550 lbs to 820 lbs over 90 Days)
- Total Gain = 820 - 550 = 270 lbs
- ADG = 270 lbs ÷ 90 days = 3.00 lbs/day
Final Output: 3.00 lbs/day ADG (270 lbs total gain)
Key Assumptions
- Weighed under consistent gut-fill conditions.
Biological Limitations
Verified Scientific & Veterinary Sources
Version: 1.0•Methodology Reviewed: 2026-01-20
Calf & Cattle Average Daily Gain (ADG) Calculator — FAQs
High-energy finished beef steers typically achieve an ADG between 3.0 and 4.2 lbs/day (1.35 to 1.9 kg/day).