Convert 21 Miles per Hour to Feet per Second

How fast is 21 miles per hour? What is 21 miles per hour in feet per second? 21 mph to fps conversion.
Amount
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To
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21 Miles per Hour =
30.8 Feet per Second
exact result
Decimal places
Result in Plain English
21 miles per hour is equal to exactly 30.8 feet per second.
Result as a Fraction
21 miles per hour
= 154⁄5 feet per second
= 30 and 4⁄5 feet per second
In Scientific Notation
21 miles per hour
= 2.1 x 101 miles per hour
= 3.08 x 101 feet per second
Miles per Hour
A mile per hour is a unit of speed commonly used in the United States. It is equal to exactly 1.609344 kilometers per hour.
Common abbreviations: mph, mi/h
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
Miles per Hour to Feet per Second Conversions
results may be rounded
mph fps
21.00 30.8
21.01 30.815
21.02 30.829
21.03 30.844
21.04 30.859
21.05 30.873
21.06 30.888
21.07 30.903
21.08 30.917
21.09 30.932
21.10 30.947
21.11 30.961
21.12 30.976
21.13 30.991
21.14 31.005
21.15 31.02
21.16 31.035
21.17 31.049
21.18 31.064
21.19 31.079
21.20 31.093
21.21 31.108
21.22 31.123
21.23 31.137
21.24 31.152
21.25 31.167
21.26 31.181
21.27 31.196
21.28 31.211
21.29 31.225
21.30 31.24
21.31 31.255
21.32 31.269
21.33 31.284
mph fps
21.34 31.299
21.35 31.313
21.36 31.328
21.37 31.343
21.38 31.357
21.39 31.372
21.40 31.387
21.41 31.401
21.42 31.416
21.43 31.431
21.44 31.445
21.45 31.46
21.46 31.475
21.47 31.489
21.48 31.504
21.49 31.519
21.50 31.533
21.51 31.548
21.52 31.563
21.53 31.577
21.54 31.592
21.55 31.607
21.56 31.621
21.57 31.636
21.58 31.651
21.59 31.665
21.60 31.68
21.61 31.695
21.62 31.709
21.63 31.724
21.64 31.739
21.65 31.753
21.66 31.768
21.67 31.783
mph fps
21.68 31.797
21.69 31.812
21.70 31.827
21.71 31.841
21.72 31.856
21.73 31.871
21.74 31.885
21.75 31.9
21.76 31.915
21.77 31.929
21.78 31.944
21.79 31.959
21.80 31.973
21.81 31.988
21.82 32.003
21.83 32.017
21.84 32.032
21.85 32.047
21.86 32.061
21.87 32.076
21.88 32.091
21.89 32.105
21.90 32.12
21.91 32.135
21.92 32.149
21.93 32.164
21.94 32.179
21.95 32.193
21.96 32.208
21.97 32.223
21.98 32.237
21.99 32.252
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