wikiHow Converting Inches to Millimeters Practice Answers 1. John's height is 72 inches. He is approximately 1828.8 millimeters tall. 2. A pencil measures 6 inches in length. The length of the pencil is approximately 152.4 millimeters. 3. The width of a book is 8.5 inches. The width of the book is approximately 215.9 millimeters. 4. Lisa's TV has a screen size of 55 inches. The width of the screen is approximately 1397 millimeters. 5. A sheet of paper measures 11 inches by 8.5 inches. The length of the paper is approximately 279.4 millimeters. 6. The diameter of a circular table is 36 inches. The diameter of the table is approximately 914.4 millimeters. 7. Alex's computer monitor is 24 inches diagonally. The diagonal size of the monitor is approximately 609.6 millimeters. 8. A rectangular rug measures 5 feet by 8 feet. The length of the rug is approximately 1524 millimeters. 9. The height of a doorway is 80 inches. The height of the doorway is approximately 2032 millimeters. 10. A TV stand has a width of 48 inches. The width of the stand is approximately 1219.2 millimeters. 11. The wingspan of an eagle is 72 inches. The wingspan is approximately 1828.8 millimeters. 12. A measuring tape is 12 feet long. The length of the tape is approximately 3657.6 millimeters. 13. The diagonal of a square measures 10 inches. The length of the diagonal is approximately 254 millimeters. 14. A road sign is 36 inches tall. The height of the sign is approximately 914.4 millimeters. 15. A wooden plank measures 2 feet by 6 inches. The length of the plank is approximately 609.6 millimeters. 16. The width of a laptop screen is 13.3 inches. The width of the screen is approximately 337.82 millimeters. 17. A table measures 30 inches in height. The height of the table is approximately 762 millimeters. 18. The length of a swimming pool is 25 meters. Converting to inches and then millimeters, the length is approximately 984.252 inches or 24994.908 millimeters. 19. A sheet of plywood measures 4 feet by 8 feet. The length of the plywood is approximately 2438.4 millimeters. 20. The height of a sculpture is 120 inches. The height of the sculpture is approximately 3048 millimeters. Page