MM to Pixels for Excel

Convert millimeters to Excel pixels for worksheet images, shapes, row sizing, and screen-based layouts at the standard 96 DPI reference.

Excel Conversion Input

Real-time sync active
Excel quick values
mm
px

Excel Pixel Result

37.7953 px
10 mm = 37.7953 px @ 96 DPI

Conversion Formula

px = mm × (DPI ÷ 25.4)
px = 10 × (96 ÷ 25.4)
px = 10 × 3.7795
px = 37.7953

Excel worksheet value

Centimeters
1 cm
Inches
0.3937 in
Points (pt)
28.3465 pt
CSS rem (16px base)
2.3622 rem

How MM to Pixels for Excel Calculator Works

To convert millimeters to Excel pixels, this calculator uses the standard 96 DPI reference that Excel relies on for screen rendering at 100% zoom. Excel's row height is measured in points (1 pt = 1/72 inch), while its column width uses a character-based system.

1

Enter the mm value

Enter a millimeter value — for example, 10 mm for a row height or 25.4 mm for one inch. The calculator converts this to both pixels (for screen display) and points (for Excel's row height setting).

2

Fixed at 96 DPI

The DPI is locked at 96 because Excel uses the Windows standard 96 DPI reference for screen rendering at 100% zoom. Changing your display scaling affects visual size but not Excel's internal unit system.

3

Read the pixel result

Read the pixel and point results. For row height, use the point value in Format → Row Height. For inserted images and shapes, the pixel value tells you the screen size at 100% zoom.

Excel's measurement system is complex: row height uses points, column width uses character widths of the default font, and images use pixels. This calculator bridges the gap by converting millimeters to all three relevant units. At 100% zoom on a 96 DPI display, 1 point = 1.333 pixels.

MM to Pixels for Excel Formula

The Excel mm to pixels formula is: pixels = mm × (96 ÷ 25.4), which simplifies to pixels = mm × 3.7795. For row height in points: points = mm × (72 ÷ 25.4), or points = mm × 2.8346.

px = mm × ( 96 ÷ 25.4 )

This mm to px formula has 2 variables and 1 fixed constant:

  • mm — the physical measurement to convert
  • 96 — Excel's screen reference DPI at 100% zoom (Windows standard)
  • 25.4 — millimeters per inch
  • 72 — points per inch (used for Excel row height)

MM to Pixels for Excel Formula Examples

10 mm row height

px = 10 × (96 ÷ 25.4) px = 10 × 3.7795 px = 37.7953

5 mm cell height

px = 5 × (96 ÷ 25.4) px = 5 × 3.7795 px = 18.8976

1 inch reference

px = 25.4 × (96 ÷ 25.4) px = 25.4 × 3.7795 px = 96

The reverse formula is: mm = px × (25.4 ÷ 96). A default Excel row height of 15 points equals 15 × 25.4 ÷ 72 = 5.29 mm. Column width cannot be converted directly from pixels because Excel uses character-width units that depend on the default font and font size.

MM to Pixels for Excel Conversion Chart

Reference table showing mm to pixel conversions for Excel at the fixed 96 DPI screen reference. The points column shows the equivalent value for Excel row height settings.

mm px @ 72 DPI px @ 96 DPI px @ 150 DPI px @ 300 DPI
0.5 1.4173 1.8898 2.9528 5.9055
1 2.8346 3.7795 5.9055 11.811
2 5.6693 7.5591 11.811 23.622
3 8.5039 11.3386 17.7165 35.4331
5 14.1732 18.8976 29.5276 59.0551
10 28.3465 37.7953 59.0551 118.1102
15 42.5197 56.6929 88.5827 177.1654
20 56.6929 75.5906 118.1102 236.2205
25 70.8661 94.4882 147.6378 295.2756
50 141.7323 188.9764 295.2756 590.5512
100 283.4646 377.9528 590.5512 1181.1024
210 595.2756 793.7008 1240.1575 2480.315
297 841.8898 1122.5197 1753.937 3507.874

A standard Excel row height of 15 pt equals about 5.3 mm or 20 pixels at 100% zoom. For print layouts, remember that Excel's Page Layout view uses the printer's DPI, not the screen's 96 DPI, so printed dimensions may differ from screen display.