| 1 | 0.5 - 0.75 | 0.23 - 0.34 | Very small, mostly dependent on mother's milk |
| 2 | 0.75 - 1.25 | 0.34 - 0.57 | Rapid growth phase, starting to open eyes |
| 3 | 1.0 - 1.5 | 0.45 - 0.68 | Becoming more active, beginning to walk |
| 4 | 1.25 - 2.0 | 0.57 - 0.91 | More playful and curious, transitioning to solid food |
| 6 | 2.0 - 3.0 | 0.91 - 1.36 | Socialization phase, more coordinated movements |
| 8 | 2.5 - 4.0 | 1.13 - 1.81 | Ready for first vaccinations, weaning completed |
| 12 | 3.5 - 6.0 | 1.59 - 2.72 | Teething stage, increased energy and activity |
| 16 | 4.5 - 7.5 | 2.04 - 3.40 | Puppy training begins, developing personality traits |
| 20 | 5.5 - 9.0 | 2.49 - 4.08 | Entering adolescence, possible growth spurts |
| 24 | 6.0 - 10.0 | 2.72 - 4.54 | Approaching full height, weight gain slows |
| 28 | 7.0 - 11.0 | 3.18 - 4.99 | Final growth stage, reaching near-adult size |
| 32 | 8.0 - 12.0 | 3.63 - 5.44 | Growth plateau, maintaining weight |
| 36 | 8.5 - 13.0 | 3.86 - 5.90 | Full adult size, monitoring for healthy weight maintenance |