Unit definitions

Kilometer per second

Kilometer per second is the distance traveled in kilometers in one second.

Speed of sound in fresh water at 20 degrees Celsius

The speed of sound in fresh water is $1\ 481\ \text{m/s}$ at 20 degrees Celsius which is sligltly more than $4.3$ times the speed of sound in air at 20 degrees Celsius.

How to convert Kilometer per second to Speed of sound in fresh water at 20 degrees Celsius

$$\text{Speed}_{\text{Speed of sound₂₀ (fresh water)}} = \text{Speed}_{\text{km/s}} \cdot 0.6752194463200540175557056043214045$$

Examples

Example 1

Convert $45.0\ \text{km/s}$ to $\text{Speed of sound₂₀ (fresh water)}$.

$$\text{Speed}_{\text{Speed of sound₂₀ (fresh water)}} = 45.0 \cdot 0.6752194463200540175557056043214045$$

$$\text{Speed}_{\text{Speed of sound₂₀ (fresh water)}} = 30.384875$$

$$\therefore \ 45.0\ \text{km/s} = 30.384875 \ \text{Speed of sound₂₀ (fresh water)}$$

Example 2

Convert $85.0\ \text{km/s}$ to $\text{Speed of sound₂₀ (fresh water)}$.

$$\text{Speed}_{\text{Speed of sound₂₀ (fresh water)}} = 85.0 \cdot 0.6752194463200540175557056043214045$$

$$\text{Speed}_{\text{Speed of sound₂₀ (fresh water)}} = 57.393653$$

$$\therefore \ 85.0\ \text{km/s} = 57.393653 \ \text{Speed of sound₂₀ (fresh water)}$$

Example 3

Convert $120.0\ \text{km/s}$ to $\text{Speed of sound₂₀ (fresh water)}$.

$$\text{Speed}_{\text{Speed of sound₂₀ (fresh water)}} = 120.0 \cdot 0.6752194463200540175557056043214045$$

$$\text{Speed}_{\text{Speed of sound₂₀ (fresh water)}} = 81.026334$$

$$\therefore \ 120.0\ \text{km/s} = 81.026334 \ \text{Speed of sound₂₀ (fresh water)}$$

Example 4

Convert $150.0\ \text{km/s}$ to $\text{Speed of sound₂₀ (fresh water)}$.

$$\text{Speed}_{\text{Speed of sound₂₀ (fresh water)}} = 150.0 \cdot 0.6752194463200540175557056043214045$$

$$\text{Speed}_{\text{Speed of sound₂₀ (fresh water)}} = 101.282917$$

$$\therefore \ 150.0\ \text{km/s} = 101.282917 \ \text{Speed of sound₂₀ (fresh water)}$$

Example 5

Convert $180.0\ \text{km/s}$ to $\text{Speed of sound₂₀ (fresh water)}$.

$$\text{Speed}_{\text{Speed of sound₂₀ (fresh water)}} = 180.0 \cdot 0.6752194463200540175557056043214045$$

$$\text{Speed}_{\text{Speed of sound₂₀ (fresh water)}} = 121.5395$$

$$\therefore \ 180.0\ \text{km/s} = 121.5395 \ \text{Speed of sound₂₀ (fresh water)}$$

Kilometer per second to Speed of sound in fresh water at 20 degrees Celsius conversion table

Kilometer per second to Speed of sound in fresh water at 20 degrees Celsius conversion table

Kilometer per second [km/s]	Speed of sound in fresh water at 20 degrees Celsius [Speed of sound₂₀ (fresh water)]
1	0.675219
2	1.350439
3	2.025658
4	2.700878
5	3.376097
6	4.051317
7	4.726536
8	5.401756
9	6.076975
10	6.752194

Convert Kilometer per second to other Speed units

Convert Kilometer per second to other Speed units

Kilometer per second [km/s]	Other unit
1	1E+3 Meter per second [ms⁻¹]
1	3.6E+3 Kilometer per hour [kmh⁻¹]
1	2236.936292 Mile per hour [mph]
1	1943.844492 Knot [kn]
1	3280.839895 Foot per second [fts⁻¹]
1	2.941176 Speed of sound rounded [Speed of sound]
1	2.913668 Speed of sound at 20 degrees Celsius [Speed of sound₂₀]
1	3.018412 Speed of sound at 0 degrees Celsius [Speed of sound₀]
1	2.889088 Speed of sound at 25 degrees Celsius [Speed of sound₂₅]
1	0.000003 Speed of light rounded [c]
1	0.000003 Speed of light in a vacuum [c]
1	0.000003 Speed of light in air [cₐᵢᵣ]
1	0.089397 Escape velocity (Earth) [Escape Velocityₑₐᵣₜₕ]
1	0.089286 Escape velocity rounded (Earth) [Escape Velocityₑₐᵣₜₕ]
1	6E+4 Meter per minute [m/min]
1	3.6E+6 Meter per hour [mh⁻¹]
1	6E+1 Kilometer per minute [km/min]
1	0.621371 Mile per second [mi/s]
1	37.282272 Mile per minute [mi/min]
1	0.539957 Nautical mile per second [nmi/s]
1	32.397408 Nautical mile per minute [nmi/min]
1	196850.393701 Foot per minute [ft/min]
1	11811023.622047 Foot per hour [ft/h]
1	1E+5 Centimeter per second [cm/s]
1	6E+6 Centimeter per minute [cm/min]
1	3.6E+8 Centimeter per hour [cm/h]
1	1E+6 Millimeter per second [mm/s]
1	6E+7 Millimeter per minute [mm/min]
1	3.6E+9 Millimeter per hour [mm/h]
1	1093.613298 Yard per second [yd/s]
1	65616.7979 Yard per minute [yd/min]
1	3937007.874016 Yard per hour [yd/h]