kilometres per hour1,080 million
miles per hour671 million
The speed of light is 1,079,252,848.8 kilometers per hour.
The speed of the light is 3.10^8 miles per second.what is the speed in miles per hour
The speed of light in a vacuum is approximately 670,616,629 miles per hour.
"Light-year" is not a speed, it is a distance - the distance light travels in a year.The speed of light is 300,000 kilometers per second. If you multiply that by 3600 (seconds/hour), you get the speed in km/hour.
The speed of light is 670,616,628.6 miles per hour (mph).
Light is so fast that it is usually expressed as about 300,000 kilometers per second. If you multiply that by 3600 seconds / hour, you get the speed in kilometers per hour.
-- 299,792,458 meters per second-- 186,282 miles per second (rounded)-- 670,616,629 miles per hour (rounded)
Speed of light in vacuum = 186,282 miles per second = 670,615,200 miles per hour
The speed of light is 186,282 miles per second, or 670,615,200 miles per hour.
The speed of light in a vacuum is 186,282.397 miles per second or 670,616,629.2 miles per hour.
The speed of light is 2.997925 x 108m/s, so 2.997925 x 105km/s
Speed of light is 300,000 kilometers per second. Multiply that by 3600 to convert that to km/hour.