## Unit Converter

## Conversion formula

The conversion factor from days to weeks is 0.14285714285714, which means that 1 day is equal to 0.14285714285714 weeks:

1 d = 0.14285714285714 wk

To convert 9 days into weeks we have to multiply 9 by the conversion factor in order to get the time amount from days to weeks. We can also form a simple proportion to calculate the result:

1 d → 0.14285714285714 wk

9 d → T_{(wk)}

Solve the above proportion to obtain the time *T* in weeks:

T_{(wk)} = 9 d × 0.14285714285714 wk

T_{(wk)} = 1.2857142857143 wk

The final result is:

9 d → 1.2857142857143 wk

We conclude that **9 days is equivalent to 1.2857142857143 weeks**:

9 days = 1.2857142857143 weeks

## Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case **1 week is equal to 0.77777777777778 × 9 days**.

Another way is saying that *9 days is equal to 1 ÷ 0.77777777777778 weeks*.

## Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that **nine days is approximately one point two eight six weeks**:

9 d ≅ 1.286 wk

An alternative is also that *one week is approximately zero point seven seven eight times nine days*.

## Conversion table

### days to weeks chart

For quick reference purposes, below is the conversion table you can use to convert from days to weeks

days (d) | weeks (wk) |
---|---|

10 days | 1.429 weeks |

11 days | 1.571 weeks |

12 days | 1.714 weeks |

13 days | 1.857 weeks |

14 days | 2 weeks |

15 days | 2.143 weeks |

16 days | 2.286 weeks |

17 days | 2.429 weeks |

18 days | 2.571 weeks |

19 days | 2.714 weeks |