4 pt equals 5.3333 px.
When converting points (pt) to pixels (px), the conversion depends on the standard screen resolution of 96 dots per inch (dpi). Since 1 point is defined as 1/72 of an inch, multiplying points by 96/72 gives the pixel equivalent. So, 4 pt times 96 divided by 72 equals approximately 5.3333 px.
Conversion Tool
Result in px:
Conversion Formula
The formula to convert points (pt) to pixels (px) is: px = pt × 96 / 72. This works because a point is 1/72 of an inch, and a pixel is based on a screen resolution of 96 pixels per inch. Multiplying points by 96/72 converts the length from points to pixels.
Step-by-step calculation for 4 pt:
- Identify that 1 pt = 1/72 inch.
- Identify that screen resolution is 96 px per inch.
- Multiply 4 pt by (96 px / 72 pt): 4 × 96 / 72.
- This equals 4 × 1.3333 = 5.3333 px.
Conversion Example
Let’s convert 10 pt to px step-by-step:
- Start with 10 pt.
- Recall that 1 pt = 1/72 inch, and 1 inch = 96 px.
- Apply formula: px = pt × 96 / 72.
- Calculate: 10 × 96 / 72 = 10 × 1.3333 = 13.3333 px.
- Result: 10 pt equals approximately 13.3333 px.
Another example for 2.5 pt:
- Start with 2.5 pt.
- Use formula: px = pt × 96 / 72.
- Calculate: 2.5 × 1.3333 = 3.3333 px.
- Result: 2.5 pt equals 3.3333 px.
One more example for 7 pt:
- 7 pt × 96 / 72 = 7 × 1.3333 = 9.3333 px.
- So, 7 pt equals 9.3333 px.
Conversion Chart
| Points (pt) | Pixels (px) |
|---|---|
| -21.0 | -28.0000 |
| -15.0 | -20.0000 |
| -10.0 | -13.3333 |
| -5.0 | -6.6667 |
| 0.0 | 0.0000 |
| 5.0 | 6.6667 |
| 10.0 | 13.3333 |
| 15.0 | 20.0000 |
| 20.0 | 26.6667 |
| 25.0 | 33.3333 |
| 29.0 | 38.2222 |
The chart shows pt values on left, and the equivalent px on right. You can read across a row to find how many pixels correspond to a given point value. Negative values means less than zero size, useful for reverse scaling or adjustments.
Related Conversion Questions
- How many pixels are 4 points on a 96 dpi screen?
- What is the px equivalent for 4 pt in CSS?
- Does 4 pt always equal 5.33 px on all devices?
- How to convert 4 pt to px for high-resolution displays?
- Why is 4 pt equal to 5.3333 pixels in web design?
- Is there a difference between 4 pt and 4 px in typography?
- Can 4 pt be directly used as px in HTML styling?
Conversion Definitions
pt (point): A point is a unit of length used in typography and graphic design, equal to 1/72 of an inch. It measures font size, spacing, and other layout elements in print and digital media. The point is a fixed measurement independent of screen resolution but relative to physical dimensions.
px (pixel): A pixel is the smallest unit of a digital image or display, representing a single point in a raster image. Pixels are based on screen resolution, defined by pixels per inch (ppi or dpi), and vary in physical size depending on the device’s density and display technology.
Conversion FAQs
Can the pt to px conversion change with different screen resolutions?
Yes, because pixel size depends on the device’s resolution, converting points to pixels changes if the dpi isn’t 96. The standard formula assumes 96 dpi. On devices with higher or lower dpi, the pixel equivalent for 4 pt might differ, affecting display size.
Why is the formula px = pt × 96 / 72 used?
This formula converts points, which are fixed physical units (1/72 inch), to pixels, which depend on screen density (96 pixels per inch standard). Multiplying by 96/72 converts the length from points to pixels at 96 dpi screens, making digital representation proportional.
Is 4 pt the same as 4 px in web styling?
No, 4 pt and 4 px are different units. 4 pt equals roughly 5.3333 px at 96 dpi, so using 4 pt will display larger than 4 px. Points relate to physical size, while pixels are screen-dependent. Mixing them without conversion can cause inconsistent layout.
Can I use the pt to px conversion for printing?
For printing, points are preferred since they relate to physical dimensions. Pixels depend on screen resolution and aren’t reliable for print sizes. If converting px to pt for print, you should consider the printer’s dpi instead of the 96 dpi screen standard.
Does the conversion factor change for different font sizes?
No, the conversion factor (96/72) is constant regardless of font size because it’s based on physical units. Larger font sizes in pt scale linearly to pixels using the same ratio, so 4 pt converts the same way as 10 pt or 20 pt when using this formula.