Knots to Speed of Light Converter
Convert knots (kn) to speed of light (c), with the formula, a conversion table and exact factors.
Change the values and press Calculate to work out your own figures.
Enter a speed, choose its unit and the unit you want. The answer is exact until it is shown, and the same value appears in every other unit.
Show the working
- 1 kn = 1.71600195641e-9 c
- 1 × 1.71600195641e-9 = 1.71600195641e-9 c
How to convert knots to speed of light
1 kn = 1.71600195641 × 10⁻⁹ c, so multiply by 1.71600195641 to go from knots to speed of light. Going the other way, 1 c = 582,749,918.359 kn.
c = kn × 1.71600195641 kn = c × 582,749,918.359
Worked example:
1 kn = 1.71600195641e-9 c 5 × 1.71600195641e-9 = 8.58000978204e-9 c
Knots to speed of light table
| Knots | Speed of Light |
|---|---|
| 1 kn | 1.71600195641 × 10⁻⁹ c |
| 2 kn | 3.43200391282 × 10⁻⁹ c |
| 3 kn | 5.14800586922 × 10⁻⁹ c |
| 4 kn | 6.86400782563 × 10⁻⁹ c |
| 5 kn | 8.58000978204 × 10⁻⁹ c |
| 6 kn | 1.02960117384 × 10⁻⁸ c |
| 7 kn | 1.20120136949 × 10⁻⁸ c |
| 8 kn | 1.37280156513 × 10⁻⁸ c |
| 9 kn | 1.54440176077 × 10⁻⁸ c |
| 10 kn | 1.71600195641 × 10⁻⁸ c |
| 15 kn | 2.57400293461 × 10⁻⁸ c |
| 20 kn | 3.43200391282 × 10⁻⁸ c |
| 25 kn | 4.29000489102 × 10⁻⁸ c |
| 30 kn | 5.14800586922 × 10⁻⁸ c |
| 40 kn | 6.86400782563 × 10⁻⁸ c |
| 50 kn | 8.58000978204 × 10⁻⁸ c |
| 75 kn | 1.28700146731 × 10⁻⁷ c |
| 100 kn | 1.71600195641 × 10⁻⁷ c |
| 250 kn | 4.29000489102 × 10⁻⁷ c |
| 500 kn | 8.58000978204 × 10⁻⁷ c |
| 1000 kn | 1.71600195641 × 10⁻⁶ c |
About the units
- Knots (kn)
- Knots, a specialised unit. Definition: NIST SP 811 Appendix B.8, factors for units listed alphabetically.
- Speed of Light (c)
- Speed of light, a specialised unit. Definition: BIPM SI Brochure, 9th edition (SI units, prefixes and units accepted for use with the SI).