284 centimeters = 111.811 inches
Adult male height: The average height of an adult male in the United States is approximately 176.5 centimeters (69.5 inches), making 284 centimeters nearly twice as tall.
Standard doorway: Most standard doorways have a height of 80 inches (203 centimeters), so 284 centimeters is about 3.5 inches taller than the doorway.
Soccer goal: The official height of a regulation soccer goal is 8 feet (96 inches or 244 centimeters), which means 284 centimeters is approximately 15 inches taller.
Flat-screen TV: The average size of a flat-screen TV is around 40-50 inches, making 284 centimeters equivalent to more than 2 and a half times the size of a TV.