In this article I will show you how to convert 687 feet into kilometers. Throughout the explanation below I might also call it 687 ft to km. They are the same thing!

## How to Convert Feet to Kilometers

A foot is smaller than a kilometer. I know that a ft is smaller than a km because of something called conversion factors.

Put very simply, a conversion factor is a number that can be used to change one set of units to another, by multiplying or dividing it. So when we need to convert 687 feet into kilometers, we use a conversion factor to get the answer.

The conversion factor for ft to km is:

Now that we know what the conversion factor is, we can easily calculate the conversion of 687 ft to km by multiplying `0.0003048`

by the number of feet we have, which is 687.

**So, the answer to the question "what is 687 feet in kilometers?" is 0.2093976 km.**

## Feet to Kilometers Conversion Table

Below is a sample conversion table for ft to km:

Feet (ft) | Kilometers (km) |
---|---|

0.01 | 0 |

0.1 | 0 |

1 | 0 |

2 | 0 |

3 | 0 |

5 | 0 |

10 | 0 |

20 | 0.01 |

50 | 0.02 |

100 | 0.03 |

1000 | 0.3 |

## Best Conversion Unit for 687 ft

Sometimes when you work with conversions from one unit to another, the numbers can get a little confusing. Especially when dealing with really large numbers.

I've also calculated what the best unit of measurement is for 687 ft.

To determine which unit is best, I decided to define that as being the unit of measurement which is as low as possible, without going below 1. Smaller numbers are more easily understood and can make it easier for you to understand the measurement.

**The best unit of measurement I have found for 687 ft is fathoms and the amount is 114.5 fm.**