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680 Miles per Hour to Knots

680 miles per hour equals 590.9 knots using the mph to kn formula. Scroll down for the full calculation.

680 mph = 590.9 kn
mph × 0.868977 = kn
Try: 675 mph to kn 679 mph to kn 681 mph to kn 685 mph to kn
680 mph is also
680 mph = 1,094.35 km/h 680 mph = 303.99 m/s 680 mph = 997.33 ft/s
mph
590.9 kn

Step-by-Step Calculation

mph × 0.868977 = kn
  1. Start with 680 mph
  2. Multiply by 0.868977: 680 × 0.868977 = 590.9
  3. Result: 680 mph = 590.9 kn

This conversion factor (0.868977) is the same for every mile per hour to knot calculation.

Mile per Hour to Knot Conversion Table

Miles per Hour (mph) Knots (kn)
1 mph 0.869 kn
2 mph 1.74 kn
5 mph 4.34 kn
10 mph 8.69 kn
15 mph 13.03 kn
20 mph 17.38 kn
25 mph 21.72 kn
50 mph 43.45 kn
75 mph 65.17 kn
100 mph 86.9 kn
250 mph 217.24 kn
500 mph 434.49 kn
680 mph 590.9 kn
1,000 mph 868.98 kn
calculate Mile per Hour to Knot Converter swap_horiz Knot to Mile per Hour Converter functions Mile per Hour to Knot Formula speed All Speed Conversions

Frequently Asked Questions

680 miles per hour equals 590.9 knots.
The formula is: mph × 0.868977 = kn. See the mph to kn formula page for worked examples.
Use the knots to miles per hour converter. The reverse formula is: kn × 1.150778 = mph.
The calculator uses the full-precision conversion factor for accuracy. Table values and displayed results are rounded for readability.
The conversion formula (mph × 0.868977 = kn) is based on internationally defined standards. Displayed results are rounded for readability, while the calculator uses the full-precision factor.
person Written by Sean Day verified Reviewed by UnitCompare update Last updated Mar 28, 2026