Feet or Foot and meters are both units of length usually used to measure out medium scale length. A Feet is an English unit set to be equal to 0.3048 meters. Therefore, to find the length of a 21-foot unit converted to a unit of meter, we need to multiply the length obtained by those feet by a factor of 0.3048.

**Formula: meters = feet x 0.3048**

Therefore, 21 x 0.3048 = 6.4008 meters

21 feet | 0.0064 kilometre |

6.4008 Meter | |

640.08 Centimeter | |

6400.8 Millimetre | |

6400800 micrometres | |

6400800000 Nanometre | |

0.004 Mile | |

7 Yard | |

252.0001 Inch | |

0.0035 Nautical mile |

In 1959 the international yard and pound agreement (between the United States and countries of the Commonwealth of Nations) defined a yard as being exactly 0.9144 metres, which in turn defined the foot as being exactly 0.3048 metres (304.8 mm).

The metre is a unit of length in the metric system, and is the base unit of length in the International System of Units (SI).

As the base unit of length in the SI and other m.k.s. systems (based around metres, kilograms and seconds) the metre is used to help derive other units of measurement such as the newton, for force.

Amount | Calculation | Answer |
---|---|---|

21.01 feet | 21.01 x 0.3048 | 6.4038 meters |

21.02 feet | 21.02 x 0.3048 | 6.4069 meters |

21.03 feet | 21.03 x 0.3048 | 6.4099 meters |

21.04 feet | 21.04 x 0.3048 | 6.413 meters |

21.05 feet | 21.05 x 0.3048 | 6.416 meters |

21.06 feet | 21.06 x 0.3048 | 6.4191 meters |

21.07 feet | 21.07 x 0.3048 | 6.4221 meters |

21.08 feet | 21.08 x 0.3048 | 6.4252 meters |

21.09 feet | 21.09 x 0.3048 | 6.4282 meters |

21.1 feet | 21.1 x 0.3048 | 6.4313 meters |

21.11 feet | 21.11 x 0.3048 | 6.4343 meters |

21.12 feet | 21.12 x 0.3048 | 6.4374 meters |

21.13 feet | 21.13 x 0.3048 | 6.4404 meters |

21.14 feet | 21.14 x 0.3048 | 6.4435 meters |

21.15 feet | 21.15 x 0.3048 | 6.4465 meters |

21.16 feet | 21.16 x 0.3048 | 6.4496 meters |

21.17 feet | 21.17 x 0.3048 | 6.4526 meters |

21.18 feet | 21.18 x 0.3048 | 6.4557 meters |

21.19 feet | 21.19 x 0.3048 | 6.4587 meters |

21.2 feet | 21.2 x 0.3048 | 6.4618 meters |

21.21 feet | 21.21 x 0.3048 | 6.4648 meters |

21.22 feet | 21.22 x 0.3048 | 6.4679 meters |

21.23 feet | 21.23 x 0.3048 | 6.4709 meters |

21.24 feet | 21.24 x 0.3048 | 6.474 meters |

21.25 feet | 21.25 x 0.3048 | 6.477 meters |

21.26 feet | 21.26 x 0.3048 | 6.48 meters |

21.27 feet | 21.27 x 0.3048 | 6.4831 meters |

21.28 feet | 21.28 x 0.3048 | 6.4861 meters |

21.29 feet | 21.29 x 0.3048 | 6.4892 meters |

21.3 feet | 21.3 x 0.3048 | 6.4922 meters |

21.31 feet | 21.31 x 0.3048 | 6.4953 meters |

21.32 feet | 21.32 x 0.3048 | 6.4983 meters |

21.33 feet | 21.33 x 0.3048 | 6.5014 meters |

21.34 feet | 21.34 x 0.3048 | 6.5044 meters |

21.35 feet | 21.35 x 0.3048 | 6.5075 meters |

21.36 feet | 21.36 x 0.3048 | 6.5105 meters |

21.37 feet | 21.37 x 0.3048 | 6.5136 meters |

21.38 feet | 21.38 x 0.3048 | 6.5166 meters |

21.39 feet | 21.39 x 0.3048 | 6.5197 meters |

21.4 feet | 21.4 x 0.3048 | 6.5227 meters |

21.41 feet | 21.41 x 0.3048 | 6.5258 meters |

21.42 feet | 21.42 x 0.3048 | 6.5288 meters |

21.43 feet | 21.43 x 0.3048 | 6.5319 meters |

21.44 feet | 21.44 x 0.3048 | 6.5349 meters |

21.45 feet | 21.45 x 0.3048 | 6.538 meters |

21.46 feet | 21.46 x 0.3048 | 6.541 meters |

21.47 feet | 21.47 x 0.3048 | 6.5441 meters |

21.48 feet | 21.48 x 0.3048 | 6.5471 meters |

21.49 feet | 21.49 x 0.3048 | 6.5502 meters |

21.5 feet | 21.5 x 0.3048 | 6.5532 meters |

21.51 feet | 21.51 x 0.3048 | 6.5562 meters |

21.52 feet | 21.52 x 0.3048 | 6.5593 meters |

21.53 feet | 21.53 x 0.3048 | 6.5623 meters |

21.54 feet | 21.54 x 0.3048 | 6.5654 meters |

21.55 feet | 21.55 x 0.3048 | 6.5684 meters |

21.56 feet | 21.56 x 0.3048 | 6.5715 meters |

21.57 feet | 21.57 x 0.3048 | 6.5745 meters |

21.58 feet | 21.58 x 0.3048 | 6.5776 meters |

21.59 feet | 21.59 x 0.3048 | 6.5806 meters |

21.6 feet | 21.6 x 0.3048 | 6.5837 meters |

21.61 feet | 21.61 x 0.3048 | 6.5867 meters |

21.62 feet | 21.62 x 0.3048 | 6.5898 meters |

21.63 feet | 21.63 x 0.3048 | 6.5928 meters |

21.64 feet | 21.64 x 0.3048 | 6.5959 meters |

21.65 feet | 21.65 x 0.3048 | 6.5989 meters |

21.66 feet | 21.66 x 0.3048 | 6.602 meters |

21.67 feet | 21.67 x 0.3048 | 6.605 meters |

21.68 feet | 21.68 x 0.3048 | 6.6081 meters |

21.69 feet | 21.69 x 0.3048 | 6.6111 meters |

21.7 feet | 21.7 x 0.3048 | 6.6142 meters |

21.71 feet | 21.71 x 0.3048 | 6.6172 meters |

21.72 feet | 21.72 x 0.3048 | 6.6203 meters |

21.73 feet | 21.73 x 0.3048 | 6.6233 meters |

21.74 feet | 21.74 x 0.3048 | 6.6264 meters |

21.75 feet | 21.75 x 0.3048 | 6.6294 meters |

21.76 feet | 21.76 x 0.3048 | 6.6324 meters |

21.77 feet | 21.77 x 0.3048 | 6.6355 meters |

21.78 feet | 21.78 x 0.3048 | 6.6385 meters |

21.79 feet | 21.79 x 0.3048 | 6.6416 meters |

21.8 feet | 21.8 x 0.3048 | 6.6446 meters |

21.81 feet | 21.81 x 0.3048 | 6.6477 meters |

21.82 feet | 21.82 x 0.3048 | 6.6507 meters |

21.83 feet | 21.83 x 0.3048 | 6.6538 meters |

21.84 feet | 21.84 x 0.3048 | 6.6568 meters |

21.85 feet | 21.85 x 0.3048 | 6.6599 meters |

21.86 feet | 21.86 x 0.3048 | 6.6629 meters |

21.87 feet | 21.87 x 0.3048 | 6.666 meters |

21.88 feet | 21.88 x 0.3048 | 6.669 meters |

21.89 feet | 21.89 x 0.3048 | 6.6721 meters |

21.9 feet | 21.9 x 0.3048 | 6.6751 meters |

21.91 feet | 21.91 x 0.3048 | 6.6782 meters |

21.92 feet | 21.92 x 0.3048 | 6.6812 meters |

21.93 feet | 21.93 x 0.3048 | 6.6843 meters |

21.94 feet | 21.94 x 0.3048 | 6.6873 meters |

21.95 feet | 21.95 x 0.3048 | 6.6904 meters |

21.96 feet | 21.96 x 0.3048 | 6.6934 meters |

21.97 feet | 21.97 x 0.3048 | 6.6965 meters |

21.98 feet | 21.98 x 0.3048 | 6.6995 meters |

21.99 feet | 21.99 x 0.3048 | 6.7026 meters |

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