Convert Twip to Foot
Convert twips to feet instantly. 1 twip = 5.787037e-5 foot — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Foot to Twip converter for the reverse conversion.
Units explained
Twip
A twip is a typographic unit equal to 1/1440 of an inch (about 17.64 µm). It is used in legacy Microsoft Windows graphics APIs and PostScript typography.
The name twip is a contraction of 'twentieth of a point' (point being 1/72 inch). Adopted in Microsoft's GDI and OLE specifications for screen-resolution-independent measurement.
Twips appear in Visual Basic, legacy Windows API code, and some PostScript-derived typesetting systems. They allow whole-number arithmetic at sub-pixel precision for typographic layout.
Adopted by Microsoft in the 1980s for screen-typography APIs; remains in use in legacy Windows GDI and Visual Basic code.
Foot
A foot is an Imperial and US customary unit of length equal to 12 inches or exactly 0.3048 meters. It is the most commonly used unit of length in everyday measurement in the United States.
The foot's origin is literally the length of a human foot, used as a measurement standard since antiquity. The English foot was standardized at various points in history; the modern international foot (0.3048 m exactly) was fixed by the 1959 International Yard and Pound Agreement.
Feet are used in the US for body height, building dimensions, room sizes, road sign clearances, aviation altitude (feet above sea level), and most everyday distance estimation. The UK uses feet informally for height despite officially being metric.
Used since antiquity; standardized to 0.3048 m exactly by the International Yard and Pound Agreement of 1959. Aviation worldwide uses feet for altitude despite metric adoption elsewhere.
Twip to Foot conversion formula
The relationship between twips and feet:
To convert twips to feet, multiply the value in twips by 5.787037e-5. To reverse, multiply feet by 17279.9999999999.
How to use this converter
Type a value into the calculator. The result in feet updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Foot to Twip converter for the reverse direction.
Step-by-step: convert twips to feet
- Write down the value in twips (twip).
- Multiply that value by the factor 5.787037e-5.
- The product is the equivalent value in feet (ft).
- To reverse, multiply the foot value by 17279.9999999999.
Worked examples
Example 1 — Convert 1 twip to ft:
1 × 5.787037e-5 = 5.787037e-5 ft
Example 2 — Convert 100 twip to ft:
100 × 5.787037e-5 = 0.005787037 ft
Real-world example — Quarter-meter measurement reference
A 250,000-twip length equals 0.25 feet — useful for comparing supply-chain spec sheets where some lengths are quoted in the smaller unit and some in the larger.
250000 twip × 5.787037e-5 = 14.4675925926 ft
Real-world example — From microscopic to macroscopic
A million twips equals exactly one foot. This kind of conversion appears in microfluidics, where total channel length is given in feet but feature widths are in twips.
1000000 twip × 5.787037e-5 = 57.8703703704 ft
Real-world example — Macro-scale buildup
A million twips equals exactly one foot — the conversion that bridges microscale features and macroscale objects in microfluidic, biomedical, and semiconductor packaging design.
1000000 twip × 5.787037e-5 = 57.8703703704 ft
Twip to Foot conversion table
Standard reference values for converting twips to feet:
| Twip [twip] | Foot [ft] |
|---|---|
| 0.01 | 5.787037e-7 |
| 0.1 | 5.787037e-6 |
| 1 | 5.787037e-5 |
| 2 | 0.0001157407 |
| 3 | 0.0001736111 |
| 4 | 0.0002314815 |
| 5 | 0.0002893519 |
| 10 | 0.0005787037 |
| 20 | 0.0011574074 |
| 30 | 0.0017361111 |
| 40 | 0.0023148148 |
| 50 | 0.0028935185 |
| 100 | 0.005787037 |
| 500 | 0.0289351852 |
| 1000 | 0.0578703704 |
Frequently asked questions
How many feet is 1 twip?
How do I convert twips to feet?
How do I convert feet back to twips?
How many feet is 100 twips?
Popular length unit conversions
Convert Twip to other length units
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Metric / SI (4 units)
Imperial / US Customary (4 units)
Typographic (2 units)
Sources & references
Conversion factor (1 twip = 5.787037e-5 ft) verified against the following authoritative sources:
- BIPM — The International System of Units (SI Brochure 9th ed.)
Official BIPM publication defining the seven SI base units (including the meter) and the rules for their use. The global authority on units of measurement.
- NIST — Guide to the SI
US National Institute of Standards and Technology reference covering the SI base and derived units with definitions and usage rules for US technical practice.
- NIST Special Publication 811 — Guide for the Use of the International System of Units
Detailed NIST guide covering exact conversion factors between SI and US customary units along with formatting and rounding conventions.
- NIST — Refinement of values for the yard and pound (Federal Register 1959)
The treaty (signed by US
- International Astronomical Union — System of Astronomical Constants
The IAU defines astronomical units including the AU (149597870700 m exactly) light-year and parsec used in astronomy and astrophysics.