Convert 21 Feet per Second to Mach

How fast is 21 feet per second? What is 21 feet per second in Mach? 21 fps to mach conversion.

Amount

From

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21 Feet per Second ≈

Mach 0.019320254

result rounded

Decimal places

Result in Plain English

21 feet per second is equal to about Mach 0.0193.

To a Percentage

21 feet per second ≈ 1.93% of a Mach.

In Scientific Notation

21 feet per second

= 2.1 x 10¹ feet per second

≈ 1.93203 x 10^-2 Mach

Feet per Second

A foot per second is a unit of speed. Something traveling at one foot per second is traveling exactly 0.3048 meters per second, or about 0.682 miles per hour.

Common abbreviations: ft/s, fps

Mach

Mach is the ratio of an object's speed to the speed of sound. For example, something traveling at Mach 5 is traveling at 5 times the speed of sound. The speed of sound varies depending on many factors. In dry air, at 0 degrees Celsius, the speed of sound is about 331.3 meters per second.

Feet per Second to Mach Conversions

results may be rounded

fps	mach
21.00	0.019320
21.01	0.019329
21.02	0.019339
21.03	0.019348
21.04	0.019357
21.05	0.019366
21.06	0.019375
21.07	0.019385
21.08	0.019394
21.09	0.019403
21.10	0.019412
21.11	0.019421
21.12	0.019431
21.13	0.019440
21.14	0.019449
21.15	0.019458
21.16	0.019467
21.17	0.019477
21.18	0.019486
21.19	0.019495
21.20	0.019504
21.21	0.019513
21.22	0.019523
21.23	0.019532
21.24	0.019541
21.25	0.019550
21.26	0.019559
21.27	0.019569
21.28	0.019578
21.29	0.019587
21.30	0.019596
21.31	0.019605
21.32	0.019615
21.33	0.019624

fps	mach
21.34	0.019633
21.35	0.019642
21.36	0.019651
21.37	0.019661
21.38	0.019670
21.39	0.019679
21.40	0.019688
21.41	0.019697
21.42	0.019707
21.43	0.019716
21.44	0.019725
21.45	0.019734
21.46	0.019743
21.47	0.019753
21.48	0.019762
21.49	0.019771
21.50	0.019780
21.51	0.019789
21.52	0.019799
21.53	0.019808
21.54	0.019817
21.55	0.019826
21.56	0.019835
21.57	0.019845
21.58	0.019854
21.59	0.019863
21.60	0.019872
21.61	0.019881
21.62	0.019891
21.63	0.019900
21.64	0.019909
21.65	0.019918
21.66	0.019927
21.67	0.019937

fps	mach
21.68	0.019946
21.69	0.019955
21.70	0.019964
21.71	0.019973
21.72	0.019983
21.73	0.019992
21.74	0.020001
21.75	0.020010
21.76	0.020019
21.77	0.020029
21.78	0.020038
21.79	0.020047
21.80	0.020056
21.81	0.020065
21.82	0.020075
21.83	0.020084
21.84	0.020093
21.85	0.020102
21.86	0.020111
21.87	0.020121
21.88	0.020130
21.89	0.020139
21.90	0.020148
21.91	0.020157
21.92	0.020167
21.93	0.020176
21.94	0.020185
21.95	0.020194
21.96	0.020203
21.97	0.020213
21.98	0.020222
21.99	0.020231

Convert 21 Feet per Second to Mach

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