American Staffordshire Terrier Dog Age Calculator

Human Equivalent Age:

American Staffordshire Terrier

The American Staffordshire Terrier, also known as the AmStaff, is a strong and confident breed. Known for their muscular build and affectionate nature, these dogs are loyal companions who thrive on human interaction and are excellent family pets when well-trained and socialized.

Physical Characteristics

Size: Medium, with a height of 17-19 inches (43-48 cm).
Weight: 40-70 pounds (18-32 kg).
Coat: Short, smooth, and glossy, available in a variety of colors including solid, parti, or patched.
Body: Stocky and muscular, with a broad chest and well-defined shoulders.
Head: Broad and deep with pronounced cheek muscles and a strong jaw.
Eyes: Round and dark, set well apart, conveying intelligence and alertness.

Personality Traits

Loyal and Loving: Forms strong bonds with family members and enjoys spending time with them.
Confident and Courageous: Known for their bravery and resilience, they are naturally protective of their loved ones.
Playful and Energetic: Thrives on physical activities and enjoys interactive play sessions.
Social and Friendly: With proper socialization, they are amicable and well-behaved around other pets and people.

Lifespan and Life Stages

Average Lifespan: 12-16 years

Puppy (0-1 year): Energetic and curious, requires early training and socialization to develop good behavior.
Young Adult (1-3 years): Highly active and playful, benefits from consistent training and regular exercise.
Adult (4-8 years): Well-matured and dependable, ideal for families with active lifestyles.
Senior (9+ years): Slower-paced and more relaxed, may require special care for joint health and weight management.

Care Tips

Diet: Provide a high-quality diet rich in protein and tailored to their activity level and size.
Exercise: Daily exercise is essential, including walks, runs, or play sessions to keep them physically and mentally stimulated.
Grooming: Minimal grooming required—regular brushing keeps their coat shiny and healthy.
Health: Regular vet check-ups are crucial to monitor for conditions such as hip dysplasia, skin allergies, and cardiac issues.
Training: Early obedience training and socialization are important to harness their intelligence and ensure good behavior.

How to Use the Calculator

1. Enter your dog's age (up to 50 years, decimals allowed).

2. Select your dog's size category (Small, Medium, Large, or Labrador).

3. Click "Calculate" to see the equivalent human age.

Dog age chart in human years

Age in Human Years	Small (0-20 lbs / 0-9 kg)	Medium (21-50 lbs / 10-23 kg)	Large (51+ lbs / 24+ kg)
1	15	15	15
2	24	24	24
3	28	28	28
4	32	32	32
5	36	36	36
6	40	42	45
7	44	47	50
8	48	51	55
9	52	56	61
10	56	60	66
11	60	65	72
12	64	69	77
13	68	74	82
14	72	78	88
15	76	83	93
16	80	87	120

Age in Human Years	Small (0-20 lbs / 0-9 kg)	Medium (21-50 lbs / 10-23 kg)	Large (51+ lbs / 24+ kg)
1	15	15	15
2	24	24	24
3	28	28	28
4	32	32	32
5	36	36	36
6	40	42	45
7	44	47	50
8	48	51	55
9	52	56	61
10	56	60	66
11	60	65	72
12	64	69	77
13	68	74	82
14	72	78	88
15	76	83	93
16	80	87	120

Age in Human Years	Small (0-20 lbs / 0-9 kg)	Medium (21-50 lbs / 10-23 kg)	Large (51+ lbs / 24+ kg)
1	15	15	15
2	24	24	24
3	28	28	28
4	32	32	32
5	36	36	36
6	40	42	45
7	44	47	50
8	48	51	55
9	52	56	61
10	56	60	66
11	60	65	72
12	64	69	77
13	68	74	82
14	72	78	88
15	76	83	93
16	80	87	120

Age in Human Years	Small (0-20 lbs / 0-9 kg)	Medium (21-50 lbs / 10-23 kg)	Large (51+ lbs / 24+ kg)
1	15	15	15
2	24	24	24
3	28	28	28
4	32	32	32
5	36	36	36
6	40	42	45
7	44	47	50
8	48	51	55
9	52	56	61
10	56	60	66
11	60	65	72
12	64	69	77
13	68	74	82
14	72	78	88
15	76	83	93
16	80	87	120