About This Length Converter
This tool uses exact international factors based on the meter, including the defined inch value of 0.0254 meters. Only display rounding is simplified for readability.
Convert Any Length in Seconds
Enter a distance in one unit and instantly see exact equivalents across metric and imperial systems. This converter is useful for travel, DIY work, fitness, and engineering checks.
Length Converter
All Unit Results
Tap any value to copy it. The source unit is highlighted.
When To Use It
Useful for height conversion, road distance translation, workout planning, woodworking, and product dimension checks between metric and imperial catalogs.
Frequently Asked Questions
How many feet are in a meter?
One meter equals approximately 3.28084 feet. Multiply meters by 3.28084 to convert.
How many centimeters are in an inch?
One inch equals exactly 2.54 centimeters. This is a defined constant, not a rounded estimate.
How do I convert kilometers to miles?
Divide kilometers by 1.60934, or multiply by 0.621371.
Are these conversions exact?
Yes. The converter uses exact international conversion constants. Only output formatting rounds values.
Does this tool store any data?
No. All calculations run in your browser and no input is sent to a server.
Privacy & Limitations
- All calculations run entirely in your browser -- nothing is sent to any server.
- Results are computed using standard formulas and should be verified for critical applications.
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Length Converter FAQ
How many feet are in a meter?
One meter equals approximately 3.28084 feet. To convert meters to feet, multiply the meter value by 3.28084. For example, 5 meters = 16.4042 feet.
How many centimeters are in an inch?
One inch equals exactly 2.54 centimeters. This is a defined constant, not a rounded number. To convert inches to cm, multiply by 2.54. To convert cm to inches, divide by 2.54.
How do I convert kilometers to miles?
Divide the kilometer value by 1.60934. One mile equals approximately 1.60934 kilometers. For example, 10 km / 1.60934 = 6.2137 miles. A quick mental estimate: multiply km by 0.6 to get approximate miles.
What is the difference between metric and imperial length units?
Metric units (mm, cm, m, km) are based on powers of 10 - each step is a factor of 10, 100, or 1000. Imperial units (inches, feet, yards, miles) use irregular ratios: 12 inches per foot, 3 feet per yard, 1760 yards per mile. Metric is used by most countries worldwide. The US, UK, and a few others still use imperial for everyday measurements.
How many meters are in a mile?
One mile equals exactly 1609.344 meters. This is derived from the international definition: 1 mile = 5280 feet, and 1 foot = 0.3048 meters (exactly). So 5280 x 0.3048 = 1609.344 meters.
What is a yard in meters?
One yard equals exactly 0.9144 meters. This was defined by international agreement in 1959. To convert yards to meters, multiply by 0.9144. To convert meters to yards, divide by 0.9144 (or multiply by approximately 1.0936).
How do I convert feet to centimeters?
Multiply the feet value by 30.48. One foot equals exactly 30.48 centimeters (12 inches x 2.54 cm per inch). For example, 6 feet = 182.88 cm.
Is this length converter accurate?
Yes. The converter uses the exact international conversion factors defined by the International Yard and Pound Agreement of 1959. All metric-to-imperial conversions are mathematically exact. The only rounding occurs in the displayed decimal places.
What are the most common length conversions?
The most searched length conversions are: inches to centimeters (and reverse), feet to meters, miles to kilometers, millimeters to inches, and centimeters to feet. These come up frequently in construction, travel, fitness, and everyday life.
Does this tool work offline?
Yes. All conversions run in your browser using JavaScript. Once the page loads, no internet connection is needed. No data is sent to any server.