# em to percentage

## A converter that calculates the percentage from a em for given em and base size to make the measurement responsive

### Hot Keys

Calculate and copy the result of calculation.

Calculate the result.

Copy the result of calculation.

Reverse the converter to "Percentage to EM".

Focus the "EM" input.

Focus the "EM Size" input.

Focus the "Base Size" input.

### FAQ

#### How to convert EM to Percentage?

To convert em to percentage, you should know total size of 1 EM, default is 16px, and size of base Then, just apply formula: ((em * em size) / base) * 100 For example, with 16px size of 1em and 1000px of base, 1em will be converted to: ((1 * 16) / 1000) * 100 = 1.6%

#### What is the EM to Percentage formula?

((em * em size) / base) * 100

#### What is em unit?

EM is defined relative to the font size of the parent element. 1 EM therefore takes on the value which is given to the font-size of the parent element.

#### What is % unit? (Percentage)

Percentage is a number or ratio expressed as a fraction of 100. It is often denoted using the percent sign (%). A percentage is a dimensionless number, primarily used for expressing proportions, but percent is nonetheless a unit of measurement in its orthography and usage. In CSS, it is often used to define a size as relative to an element's parent element. For example, if parent element's size is 1000px, then 1% will be equal to 10px, 1% = 10px.

### EM to Percentage Conversion Table if em size is 16px and base size is 1000px

em | percentage |
---|---|

1em | 1.6% |

2em | 3.2% |

3em | 4.8% |

4em | 6.4% |

5em | 8% |

6em | 9.6% |

7em | 11.2% |

8em | 12.8% |

9em | 14.4% |

10em | 16% |

11em | 17.6% |

12em | 19.2% |

13em | 20.8% |

14em | 22.4% |

15em | 24% |

16em | 25.6% |

17em | 27.2% |

18em | 28.8% |

19em | 30.4% |

20em | 32% |

21em | 33.6% |

22em | 35.2% |

23em | 36.8% |

24em | 38.4% |

25em | 40% |