Unit definitions

Speed of sound rounded

The speed of sound is frequently rounded to $340\ \text{m/s}$ in introductory physics calculations.

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 Speed of sound rounded to Speed of sound in fresh water at 20 degrees Celsius

$$\text{Speed}_{\text{Speed of sound₂₀ (fresh water)}} = \text{Speed}_{\text{Speed of sound}} \cdot 0.2295746117488183659689399054692775$$

Examples

Example 1

Convert $50.0\ \text{Speed of sound}$ to $\text{Speed of sound₂₀ (fresh water)}$.

$$\text{Speed}_{\text{Speed of sound₂₀ (fresh water)}} = 50.0 \cdot 0.2295746117488183659689399054692775$$

$$\text{Speed}_{\text{Speed of sound₂₀ (fresh water)}} = 11.478731$$

$$\therefore \ 50.0\ \text{Speed of sound} = 11.478731 \ \text{Speed of sound₂₀ (fresh water)}$$

Example 2

Convert $65.0\ \text{Speed of sound}$ to $\text{Speed of sound₂₀ (fresh water)}$.

$$\text{Speed}_{\text{Speed of sound₂₀ (fresh water)}} = 65.0 \cdot 0.2295746117488183659689399054692775$$

$$\text{Speed}_{\text{Speed of sound₂₀ (fresh water)}} = 14.92235$$

$$\therefore \ 65.0\ \text{Speed of sound} = 14.92235 \ \text{Speed of sound₂₀ (fresh water)}$$

Example 3

Convert $115.0\ \text{Speed of sound}$ to $\text{Speed of sound₂₀ (fresh water)}$.

$$\text{Speed}_{\text{Speed of sound₂₀ (fresh water)}} = 115.0 \cdot 0.2295746117488183659689399054692775$$

$$\text{Speed}_{\text{Speed of sound₂₀ (fresh water)}} = 26.40108$$

$$\therefore \ 115.0\ \text{Speed of sound} = 26.40108 \ \text{Speed of sound₂₀ (fresh water)}$$

Example 4

Convert $130.0\ \text{Speed of sound}$ to $\text{Speed of sound₂₀ (fresh water)}$.

$$\text{Speed}_{\text{Speed of sound₂₀ (fresh water)}} = 130.0 \cdot 0.2295746117488183659689399054692775$$

$$\text{Speed}_{\text{Speed of sound₂₀ (fresh water)}} = 29.8447$$

$$\therefore \ 130.0\ \text{Speed of sound} = 29.8447 \ \text{Speed of sound₂₀ (fresh water)}$$

Example 5

Convert $195.0\ \text{Speed of sound}$ to $\text{Speed of sound₂₀ (fresh water)}$.

$$\text{Speed}_{\text{Speed of sound₂₀ (fresh water)}} = 195.0 \cdot 0.2295746117488183659689399054692775$$

$$\text{Speed}_{\text{Speed of sound₂₀ (fresh water)}} = 44.767049$$

$$\therefore \ 195.0\ \text{Speed of sound} = 44.767049 \ \text{Speed of sound₂₀ (fresh water)}$$

Speed of sound rounded to Speed of sound in fresh water at 20 degrees Celsius conversion table

Speed of sound rounded to Speed of sound in fresh water at 20 degrees Celsius conversion table

Speed of sound rounded [Speed of sound]	Speed of sound in fresh water at 20 degrees Celsius [Speed of sound₂₀ (fresh water)]
1	0.229575
2	0.459149
3	0.688724
4	0.918298
5	1.147873
6	1.377448
7	1.607022
8	1.836597
9	2.066172
10	2.295746

Convert Speed of sound rounded to other Speed units

Convert Speed of sound rounded to other Speed units

Speed of sound rounded [Speed of sound]	Other unit
1	3.4E+2 Meter per second [ms⁻¹]
1	1224 Kilometer per hour [kmh⁻¹]
1	760.558339 Mile per hour [mph]
1	660.907127 Knot [kn]
1	1115.485564 Foot per second [fts⁻¹]
1	0.990647 Speed of sound at 20 degrees Celsius [Speed of sound₂₀]
1	1.02626 Speed of sound at 0 degrees Celsius [Speed of sound₀]
1	0.98229 Speed of sound at 25 degrees Celsius [Speed of sound₂₅]
1	0.000001 Speed of light rounded [c]
1	0.000001 Speed of light in a vacuum [c]
1	0.000001 Speed of light in air [cₐᵢᵣ]
1	0.030395 Escape velocity (Earth) [Escape Velocityₑₐᵣₜₕ]
1	0.030357 Escape velocity rounded (Earth) [Escape Velocityₑₐᵣₜₕ]
1	2.04E+4 Meter per minute [m/min]
1	1.224E+6 Meter per hour [mh⁻¹]
1	0.34 Kilometer per second [km/s]
1	20.4 Kilometer per minute [km/min]
1	0.211266 Mile per second [mi/s]
1	12.675972 Mile per minute [mi/min]
1	0.183585 Nautical mile per second [nmi/s]
1	11.015119 Nautical mile per minute [nmi/min]
1	66929.133858 Foot per minute [ft/min]
1	4015748.031496 Foot per hour [ft/h]
1	3.4E+4 Centimeter per second [cm/s]
1	2.04E+6 Centimeter per minute [cm/min]
1	1.224E+8 Centimeter per hour [cm/h]
1	3.4E+5 Millimeter per second [mm/s]
1	2.04E+7 Millimeter per minute [mm/min]
1	1.224E+9 Millimeter per hour [mm/h]
1	371.828521 Yard per second [yd/s]
1	22309.711286 Yard per minute [yd/min]
1	1338582.677165 Yard per hour [yd/h]