72em to px
72em = 1152px
At the browser default font size of 16 px. Change it and this number changes — see below.
How it is calculated
One em is 16px, so:
72em × 16 = 1152pxReversing it, 1152px × 0.0625 returns 72em.
72em at other font sizes
em is measured against the element's own font size, inherited from its parent unless it sets one, so the answer above holds only while that is 16 px. Nested elements each compound on their parent, so this is the value for one level, not for the whole tree.
| Font size | 72em equals |
|---|---|
| 14 px | 1008px |
| 16 px (default) | 1152px |
| 18 px | 1296px |
| 20 px | 1440px |
| 24 px | 1728px |
Nearby values
| em | px |
|---|---|
| 36em | 576px |
| 40em | 640px |
| 48em | 768px |
| 56em | 896px |
| 64em | 1024px |
| 72em | 1152px |
| 80em | 1280px |
| 96em | 1536px |
Frequently asked questions
What is 72em in px?
1152px at the default 16 px font size.
How is 72em converted to px?
Multiply by 16: 72 × 16 = 1152. To go back, multiply 1152 by 0.0625.
Is 1152px always the answer?
No. em is relative to the element's own font size, inherited from its parent unless it sets one, so 72em is 1152px only while that is 16 px. The table above gives the value at the sizes you are most likely to meet.