Metric Converters

Convert metric to imperial and back - length, weight, temperature, volume, speed and area.

Whether you're wondering what is 5 foot 11 in meters, how long is 10 km in miles for your running training, or how tall is 180 cm in feet and inches for a passport application - these metric converters have you covered. Convert mm to inches for drill bit sizes, figure out 100 meters in yards for a swimming pool length, or calculate 1.75 meters in feet instantly. The metric system uses meters, kilograms, Celsius, liters and km/h while the US and UK rely on feet, pounds, Fahrenheit, gallons and mph. All six converters below work instantly with real-world comparisons.

Frequently asked questions

5 foot 11 inches equals approximately 1.8034 meters. To convert feet and inches to meters, multiply the feet by 0.3048 and the inches by 0.0254, then add the results. So 5 × 0.3048 + 11 × 0.0254 = 1.524 + 0.2794 = 1.8034 m.

10 km equals approximately 6.214 miles. For running, common race distances in km and miles are: 5 km = 3.11 mi, 10 km = 6.21 mi, half marathon = 21.1 km = 13.1 mi, full marathon = 42.2 km = 26.2 mi.

One and a half miles equals 2414.02 meters (or approximately 2.414 km). One mile equals exactly 1609.344 meters, so multiply by 1.5 to get 2414.016 meters. This is a common distance in athletics and road running.

100 kg equals approximately 220.46 pounds or 15 stone 10 pounds. To convert kg to pounds multiply by 2.20462. To convert to stone, divide the pounds by 14. Stone is used for body weight in the UK and Ireland.

350°F equals approximately 176.7°C, which is a common moderate baking temperature. Other common oven temperatures: 325°F = 162.8°C, 375°F = 190.6°C, 400°F = 204.4°C, 425°F = 218.3°C, 450°F = 232.2°C.

Need other converters? Explore our science & engineering, digital storage and time and date.