Whats faster 100 mph or 100 knots?

100 miles per hour = 86.8976 knots

So, 100 miles per hour = 100 × 0.868976241901 = 86.8976241901 knots.

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What speed is 1 knot in mph?

one nautical mile per hour
One knot equals one nautical mile per hour, or roughly 1.15 statute mph. The term knot dates from the 17th century, when sailors measured the speed of their ship using a device called a “common log.” The common log was a rope with knots at regular intervals, attached to a piece of wood shaped like a slice of pie.