The Bombay is celebrated for its parlor panther with glistening patent-leather black coat and brilliant copper penny eyes. Whether you are welcoming a young kitten into your home or monitoring an adolescent growth spurt, tracking month-by-month physical milestones ensures your companion develops on a healthy, balanced trajectory.
💡 Development Note: For general week-by-week weight targets during early kitten development, compare your milestones with our normal kitten weight gain by week guide.
📋 In This Guide
Bombay Weight Chart by Month#
Quick Answer: Healthy adult Bombay cats typically reach full physical maturity between 12 and 18 months, with an overall adult weight range of 6.0 - 12.0 lbs (2.7 - 5.4 kg). Adult males average 8.0 - 12.0 lbs (3.6 - 5.4 kg), while adult females are slightly lighter at 6.0 - 9.0 lbs (2.7 - 4.1 kg).
Below is a month-by-month guideline for male and female Bombay kittens from early weaning through adult maturity.
| Age | Male Weight Range | Female Weight Range | Physical & Developmental Milestones |
|---|---|---|---|
| 8 Weeks (2 Months) | 1.7 - 2.5 lbs (0.8 - 1.1 kg) | 1.4 - 2.1 lbs (0.6 - 1.0 kg) | Satin black baby coat; warm amber eyes developing |
| 12 Weeks (3 Months) | 2.6 - 3.8 lbs (1.2 - 1.7 kg) | 2.2 - 3.2 lbs (1.0 - 1.5 kg) | Intense human bonding; loves riding under covers |
| 16 Weeks (4 Months) | 3.8 - 5.2 lbs (1.7 - 2.4 kg) | 3.0 - 4.4 lbs (1.4 - 2.0 kg) | Patent-leather gloss coats appear; solid muscle build |
| 6 Months | 5.5 - 7.6 lbs (2.5 - 3.4 kg) | 4.4 - 6.2 lbs (2.0 - 2.8 kg) | Deep copper penny eye color sets; compact muscular torso |
| 9 Months | 7.0 - 9.8 lbs (3.2 - 4.4 kg) | 5.2 - 7.6 lbs (2.4 - 3.4 kg) | Sleek panther silhouette forms; affectionate lap cat |
| 12 Months (1 Year) | 8.0 - 11.2 lbs (3.6 - 5.1 kg) | 5.8 - 8.5 lbs (2.6 - 3.9 kg) | Baseline adult frame set; gleaming jet-black fur |
| 18 Months (Full Adult) | 8.0 - 12.0 lbs (3.6 - 5.4 kg) | 6.0 - 9.0 lbs (2.7 - 4.1 kg) | Full mature muscular density and parlor panther look |
The ‘Miniature Panther’ Look#
Bred to resemble the black leopard of India, Bombays have jet black fur right down to their paw pads and nose leather, with no white hairs permitted in breed standards.
Healthy Body Condition Scoring for Growing Kittens#
Because individual genetics, frame size, and bloodlines cause natural variations in weight, hands-on body condition checks are the best way to evaluate healthy growth:
- The Rib Feel: You should easily feel your kitten’s ribs beneath a light layer of tissue without applying firm pressure.
- Waist Contour: Looking down from above, there should be a gentle, visible taper behind the ribcage before the hips begin.
- Abdominal Tuck: When viewed from the side, the lower stomach should slope cleanly upward toward the hindquarters.
Feeding & Nutrition Guidelines#
- High-Quality Protein First: Choose kitten recipes that list named real meats (such as chicken, turkey, or salmon) as the first ingredient to build sturdy muscle tone.
- Support Proper Hydration: Offer wet canned food daily alongside clean, fresh water fountains to promote lifelong urinary tract and kidney health.
- Portion Calibration: Avoid leaving massive bowls of dry food out at all times once your kitten approaches adolescence to prevent excess fat accumulation.
