Knots are a speed measurement that is nautical miles per hour. This unit is typically used in maritime and aviation. There have historically been different nautical miles used and, thus, different variations of knots. However, we have based our knots calculator on the international nautical mile which is commonly used thoughout the world today.
Knots to Light speed
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Note: For a pure decimal result please select 'decimal' from the options above the result.Show formula Show working Show result in exponential format