Speed of Sound to Meter/Second Converter

Speed Converter

18 units available

Decimals:

From

To

343

1 sound = 343 m/s

Formula:

m/s = sound × 343

With your value: 1 sound = 343 m/s

How big is that?

Everyday references on a logarithmic scale, all expressed in speed of sound so you can sanity-check the result.

Urban speed limit (50 km/h) (1/25 your value)0.0405 sound

Cheetah sprint (1/12 your value)0.0845 sound

Motorway (110 km/h) (1/11 your value)0.0892 sound

Airliner cruise (1/1.4 your value)0.729 sound

Speed of sound (sea level) (1.0× your value)1.00 sound

Your value1.00 sound

Other Speed of Sound to Meter/Second conversions

2 sound to m/s 3 sound to m/s 4 sound to m/s 5 sound to m/s 6 sound to m/s 7 sound to m/s 8 sound to m/s

Speed of Sound to Meter/Second Conversion Table

Speed of Sound (sound)	Meter/Second (m/s)
0.5	171.5
1	343
2	686
5	1,715
10	3,430
15	5,145
20	6,860
25	8,575
50	17,150
100	34,300
250	85,750
500	171,500
1000	343,000

Meter/Second to Speed of Sound Conversion Table

Meter/Second (m/s)	Speed of Sound (sound)
0.5	0.001458
1	0.002915
2	0.005831
5	0.014577
10	0.029155
15	0.043732
20	0.058309
25	0.072886
50	0.145773
100	0.291545
250	0.728863
500	1.457726
1000	2.915452

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Speed of Sound (sound)

Speed

Exact conversion

Derived quantity: a defined length divided by a defined time interval.

Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)

Bureau International des Poids et Mesures · Reviewed 2026-07-01

Meter/Second (m/s)

Speed

Exact conversion

Derived quantity: a defined length divided by a defined time interval.

Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)

Bureau International des Poids et Mesures · Reviewed 2026-07-01

How to Convert Speed of Sound to Meter/Second

To convert from Speed of Sound (sound) to Meter/Second (m/s), multiply the value by 343.

Formula: m/s = sound × 343

Reverse: sound = m/s × 0.0029154519

Step-by-Step Example

Start with your value in Speed of Sound. For example: 5 sound
Multiply by the conversion factor: 5 x 343
The result is: 1,715 m/s

About Speed of Sound

The speed of sound (sound) is a unit of speed and velocity. One speed of sound equals 343 metre per seconds. UnitConvertLab converts it against every other speed unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: speed calculations, engineering and science, education.

About Meter/Second

The meter/second (m/s) is a unit of speed and velocity. One meter/second equals 1 metre per second. UnitConvertLab converts it against every other speed unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: speed calculations, engineering and science, education.

Frequently Asked Questions

How many Meter/Second are in 1 Speed of Sound?

There are exactly 343 Meter/Second in 1 Speed of Sound. This means the conversion factor from Speed of Sound to Meter/Second is 343.

What is the formula to convert Speed of Sound to Meter/Second?

The formula to convert Speed of Sound to Meter/Second is: m/s = sound × 343. For example, to convert 10 Speed of Sound to Meter/Second, you would multiply 10 by 343.

What is a Speed of Sound?