139.91 centimeters is equal to 55.118110236 inches.
To provide comparisons to known objects of similar size:
1. The height of the average adult female in the United States is 63.7 inches, which is slightly longer than 139.91 centimeters.
2. The length of a standard twin-size bed is 75 inches, which is roughly 36% longer than 139.91 centimeters.
3. The height of a standard door in the United States is usually around 80 inches, which is approximately 45% longer than 139.91 centimeters.
4. The length of a standard golf club is around 44 inches, which is approximately 20% shorter than 139.91 centimeters.
5. The average length of a human arm is around 25 inches, which is nearly 55% shorter than 139.91 centimeters.