Microseconds to Femtoseconds calculator

Microseconds to Femtoseconds Conversion Table

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• Microsecond (0.00000000027h)

  A microsecond is an SI unit of time equal to one millionth (0.000001 or 10−6 or 1/1,000,000) of a second. Its symbol is μs. A microsecond is equal to 1000 nanoseconds or 1/1,000 of a millisecond. Because the next SI prefix is 1000 times larger, measurements of 10−5 and 10−4 seconds are typically expressed as tens or hundreds of microseconds. An examples of microsecond is cycle time for frequency 1 × 106 hertz (1 MHz), the inverse unit. This corresponds to radio wavelength 300 m (AM medium wave band), as can be calculated by multiplying 1 µs by the speed of light (approximately 3.00 × 108 m/s) to determine the distance travelled.

• Femtosecond (0.000000000000000000278h)

  A femtosecond is the SI unit of time equal to 10−15 or 1/1,000,000,000,000,000 of a second; that is, one quadrillionth, or one millionth of one billionth, of a second. For context, a femtosecond is to a second as a second is to about 31.71 million years; a ray of light travels approximately 0.3 µm (micrometers) in 1 femtosecond, a distance comparable to the diameter of a virus.