Boxers are considered to be fully grown by the time they reach about 2 to 3 years of age. However, the growth rate can vary among individual dogs. Typically, Boxers will reach their full height by around 12 to 18 months, but they may continue to fill out and gain muscle mass until they are about 2 to 3 years old. During this time, it's important to provide a balanced diet and regular exercise to support healthy growth and development. Keep in mind that male Boxers tend to be larger than females, so their growth patterns may differ slightly. For example, a male Boxer may reach a height of 24 to 26 inches and weigh between 65 to 80 pounds, while a female may stand 21 to 25 inches tall and weigh between 50 to 65 pounds. Monitoring their growth and consulting with a veterinarian can help ensure they are developing properly.

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Topics covered in this question:

Boxer Care Boxer Health Boxer Growth Boxer Development Boxer Age