Pixels to inches
1200 Pixels to Inches
How many inches is 1200 pixels? It depends on the pixel density. At 300 PPI, 1200 px = 4 inches; at 96 PPI it is 12.5 inches.
1200 px ÷ 300 PPI = 4 in (10.16 cm)
1200 px ÷ 150 PPI = 8 in · 1200 px ÷ 96 = 12.5 CSS in
Pixels to inches
Convert a full image ↗Result at 300 PPI
4 in
1,200 px ÷ 300 PPI = 4 in
- Pixels
- 1,200 px
- Inches
- 4 in
- Centimeters
- 10.16 cm
- Millimeters
- 101.6 mm
A fractional result is a measurement. For a whole-pixel print canvas, use the size-to-pixels calculator.
1200 pixels in inches, cm and mm
Each row divides 1200 by the density. Centimeters use exactly 2.54 cm per inch and millimeters 25.4 mm per inch.
| Density | Inches | Centimeters | Millimeters |
|---|---|---|---|
| 72 PPI | 16.6667 | 42.333 | 423.33 |
| 96 PPI / CSS | 12.5 | 31.75 | 317.5 |
| 150 PPI | 8 | 20.32 | 203.2 |
| 200 PPI | 6 | 15.24 | 152.4 |
| 240 PPI | 5 | 12.7 | 127 |
| 300 PPI | 4 | 10.16 | 101.6 |
| 600 PPI | 2 | 5.08 | 50.8 |
Which print sizes can 1200 pixels cover?
If 1200 pixels spans one edge of a print, the density on that edge is 1200 ÷ edge length. Compare the result with your provider’s requirement; the bands below are reference points, not a sharpness rating.
| Print edge | Density (PPI) | Band |
|---|---|---|
| 2 in (5.1 cm) | 600 | 300 PPI or more |
| 3.5 in (8.9 cm) | 342.9 | 300 PPI or more |
| 4 in (10.2 cm) | 300 | 300 PPI or more |
| 5 in (12.7 cm) | 240 | 240–299 PPI |
| 6 in (15.2 cm) | 200 | 150–239 PPI |
| 7 in (17.8 cm) | 171.4 | 150–239 PPI |
| 8 in (20.3 cm) | 150 | 150–239 PPI |
| 10 in (25.4 cm) | 120 | Below 150 PPI |
| 11 in (27.9 cm) | 109.1 | Below 150 PPI |
| 12 in (30.5 cm) | 100 | Below 150 PPI |
| 14 in (35.6 cm) | 85.7 | Below 150 PPI |
| 16 in (40.6 cm) | 75 | Below 150 PPI |
| 18 in (45.7 cm) | 66.7 | Below 150 PPI |
| 20 in (50.8 cm) | 60 | Below 150 PPI |
| 24 in (61 cm) | 50 | Below 150 PPI |
Largest edge at 300 PPI: 4 in · at 240 PPI: 5 in · at 150 PPI: 8 in.
Where 1200 pixels comes up
1200 pixels at 300 PPI is exactly 4 inches, the short edge of a 4 × 6 print. It is also the default example in this site’s converters.
A 1200 × 1800 pixel image is the canonical 4 × 6 print file at 300 PPI. Many online photo services resize uploads to fit their products, so a 1200-pixel short edge is a useful minimum to aim for when you export a 4 × 6 yourself. For a 5 × 7 the same edge drops to 240 PPI.
The formula
inches = 1200 px ÷ PPI
A pixel count has no physical size until you choose a density. Image PPI is a print instruction; CSS uses its own fixed ratio of 96 CSS px per CSS inch, which is not a measurement of your monitor.
Questions about this conversion
How many inches is 1200 pixels at 300 DPI?
1200 ÷ 300 = 4 inches, or 10.16 cm. Print briefs often say DPI when they mean image pixels per inch (PPI).
How wide is 1200 pixels on a web page?
In CSS, 96 px equals one CSS inch, so 1200 CSS px = 12.5 CSS inches. That is a layout unit; the physical width on a particular screen depends on its own pixel density and scaling.
What density do 1200 pixels give across 4 inches?
1200 ÷ 4 = 300 PPI. A higher number means more image pixels per printed inch; it does not by itself measure sharpness.