How many centimeters are in an inch?
One inch is defined as exactly 2.54 centimeters.
Tool Categories
Length Converter - Feet, Inches & Meters | 1ClickTools
Convert length and distance units between Feet, Inches, Meters, Centimeters, Millimeters, Miles, and Kilometers 100% locally in browser.
About This Tool
Navigating between Metric length measurements (meters, centimeters, kilometers) and Imperial units (feet, inches, yards, miles) is a frequent requirement in construction engineering, international trade, travel planning, height tracking, and DIY woodworking. Our browser-native Length Converter provides instant, bi-directional conversions across all standard units. Input any number to view real-time conversions across Inches (in), Feet (ft), Yards (yd), Miles (mi), Millimeters (mm), Centimeters (cm), Meters (m), Kilometers (km), and Nautical Miles (nmi). Because calculations execute locally in client-side browser memory using exact mathematical transformation ratios, conversions complete in under a millisecond.
Frequently Asked Questions
Is my measurement input saved on a server?
No. 1ClickTools calculates length conversions 100% locally in your browser memory.
How do I convert 5 feet 10 inches to centimeters?
5 feet 10 inches equals 70 inches total, which converts to exactly 177.8 cm.
How many meters are in a mile?
One mile equals 1,609.344 meters (approximately 1.61 kilometers).
Works on mobile browsers?
Yes, fully responsive across mobile phones, tablets, and desktop computers.
Can I convert small architectural fractions?
Yes, precision controls format sub-millimeter measurements accurately.
Is any software installation required?
No, works directly inside modern web browsers.
Does it cost money to use?
No, 100% free with no limits.
Is 1ClickTools Length Converter free?
Yes, 100% free for personal and professional engineering use.