18mm in Inches: 18 Millimeters = 0.71 Inches
Quick Answer Box What is 18mm in Inches? 18mm equals 0.71 inches. This converts a metric measurement (millimeters) into an imperial one (inches) — the two main measurement systems used around the world. Millimeters are the standard in most countries and in scientific work, while inches are still the go-to unit in the United States…