km to Miles & Length Converter Online

How do I convert km to miles?

Multiply by 0.621371: miles = km × 0.621371. For example, 5 km = 5 × 0.621371 = 3.107 miles. The reverse (miles to km) is: km = miles × 1.60934. A quick mental shortcut: multiply km by 0.6 for a rough mile estimate.

How many km in a mile?

There are exactly 1.60934 kilometers in one statute mile (or 1,609.344 meters). So 1 mile = 1.609 km, 5 miles = 8.047 km, 10 miles = 16.093 km. The reverse: 1 km = 0.621371 miles.

How many feet in a mile?

There are exactly 5,280 feet in one statute mile. This also equals 1,760 yards, 63,360 inches, or 1,609.344 meters. A half mile is 2,640 feet; a quarter mile (common in athletics) is 1,320 feet.

How many inches in a foot?

There are exactly 12 inches in one foot. This is the foundation of US/imperial measurement: 1 foot = 12 inches, 1 yard = 3 feet = 36 inches, 1 mile = 5,280 feet = 63,360 inches.

How many cm in a meter?

There are exactly 100 centimeters in one meter. The metric prefix "centi-" means one-hundredth, so 1 cm = 0.01 m. Other metric relations: 1 m = 10 dm (decimeters) = 100 cm = 1,000 mm.

How many yards in a mile?

There are exactly 1,760 yards in one statute mile. This also equals 5,280 feet or 1,609.344 meters. In American football, a field is 100 yards (91.44 m); so a mile is about 17.6 football fields.

How many feet are in a meter?

There are 3.28084 feet in one meter (exactly 3 feet and 3.37 inches). The exact conversion is 1 m = 39.3701 inches = 3.28084 feet. Conversely, 1 foot = 0.3048 meters exactly.

How many centimeters are in an inch?

There are exactly 2.54 centimeters in one inch. This is the internationally defined exact value: 1 inch = 2.54 cm. So 1 cm = 0.3937 inches. For example, 6 inches = 15.24 cm, 12 inches (1 foot) = 30.48 cm.

How do I convert feet and inches to centimeters?

Convert everything to inches first (feet × 12 + remaining inches), then multiply by 2.54. For example, 5 feet 10 inches = (5 × 12) + 10 = 70 inches × 2.54 = 177.8 cm. Enter 70 in the inches field above to see all units at once.

How long is 100 meters in feet?

100 meters = 328.084 feet (or 109.361 yards). This is the length of an Olympic sprint track. Other sport references: a football field (100 yards) = 91.44 m; a basketball court (94 ft) = 28.65 m.

What is a nautical mile?

A nautical mile is exactly 1,852 meters (1.852 km or about 1.1508 statute miles). It is used in maritime and aviation navigation because one nautical mile corresponds to approximately one arcminute of latitude. A knot is one nautical mile per hour.

What is the difference between a mile and a nautical mile?

A statute (land) mile is 1,609.344 meters. A nautical mile is 1,852 meters — about 15% longer. Nautical miles are used at sea and in aviation; statute miles are used on land in the US and UK. 1 nautical mile ≈ 1.1508 statute miles.

How do I convert inches to millimeters?

Multiply by 25.4: mm = inches × 25.4. This comes from the definition: 1 inch = 2.54 cm = 25.4 mm exactly. For example, 1/4 inch = 6.35 mm, 1/2 inch = 12.7 mm — useful for screw, bolt, and drill bit sizing.