Cooked ground beef is generally safe to eat for about 3 to 4 days when stored properly in the refrigerator at 40°F (4°C) or below. After this time, the risk of bacterial growth increases, making it unsafe to consume. Proper storage includes refrigerating the beef within 2 hours of cooking in airtight containers or tightly wrapped to maintain freshness and prevent contamination. Key points:

• Safe refrigeration time: 3 to 4 days
• Refrigerate promptly (within 2 hours after cooking)
• Store in airtight containers or wrapped tightly
• Keep refrigerator temperature at or below 40°F (4°C)

Eating cooked ground beef beyond this timeframe significantly increases the risk of foodborne illness due to bacterial multiplication.