If a length is 1100mm what is the length in feet and inches?

To convert 1100mm to feet, you divide by 304.8 (since 1 foot is equal to 304.8mm). This gives you approximately 3.61 feet. To convert the remaining millimeters to inches, subtract the whole feet (3) from the original length in millimeters (1100mm) to get 200mm. Then, divide 200mm by 25.4 (since 1 inch is equal to 25.4mm) to get approximately 7.87 inches. Therefore, the length of 1100mm is approximately 3 feet 7.87 inches.