Inches to twips

Type a value in inches to see it in twips straight away, or type in the second box to convert back.

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Processing and privacy: The result is calculated inside your browser and your data is not sent to any server.

How to use it

  1. Type the value in the inches box.
  2. Read the result in twips as you type, and pick the precision you need.
  3. Swap the direction to convert back, or copy the result.

How it is calculated

twip = in × 1,440

Multiply the value in inches by 1,440 to get twips.

Example

To convert 25 in to twips: 25 × 1,440 = 36,000 twip.

Conversion table

Inches (in)Twips (twip)
11,440
22,880
34,320
57,200
1014,400
2028,800
2536,000
5072,000
100144,000
250360,000
500720,000
1,0001,440,000

About the units

Inch
An inch is exactly 25.4 millimeters, and the point, pica and reference pixel are all defined from it.
Twip
A twip is 1/20 of a point, exactly 1/1440 inch, used internally in RTF and Word files.

Limits and caveats

  • Results are rounded for display and computed with the browser's floating point precision (about 15 significant digits).
  • Both unit factors are exact by their official definitions.

Questions about this tool

How many twips are in one inch?

1 in = 1,440 twip exactly.

How do I convert inches to twips?

Use twip = in × 1,440. For example, 25 in = 36,000 twip.

How many inches are in one twip?

1 twip = 0.000694444 in.

Why is 12 pt text 16 px on screen?

CSS defines one inch as 96 px and 72 pt, so a point is 4/3 px and 12 pt is 16 px. The physical size still depends on screen density and zoom.

Is this point the same as the traditional printer's point?

No, it is the desktop publishing point of 1/72 inch used by CSS, PDF and Word. The old American printer's point is close to 1/72.27 inch, about 0.4% smaller.