html h1 size

1h1 is   32px   (2em)
2h2 is   24px (1.5em)
3h3 is 20.8px (1.3em)
4h4 is   16px   (1em)
5h5 is 12.8px (0.8em)
6h6 is 11.2px (0.7em)

1<style>
2h1 { 
3	font-size: 100px;
4   }
5</style>

1<h1>This is an h1(Heading 1) tag </h1>

1h1  =>    32px    (2em)
2h2  =>    24px  (1.5em)
3h3  =>  20.8px  (1.3em)
4h4  =>    16px    (1em)
5h5  =>  12.8px  (0.8em)
6h6  =>  11.2px  (0.7em)

1<h1>This is an h1(Heading 1) tag <h1>