Skein to Parsec Conversion Calculator: Free Online Tool
Convert skeins to parsecs with our free online length converter.
Skein to Parsec Calculator
How to Use the Calculator:
- Enter the value you want to convert in the 'From' field (Skein).
- The converted value in Parsec will appear automatically in the 'To' field.
- Use the dropdown menus to select different units within the Length category.
- Click the swap button (⇌) to reverse the conversion direction.
How to Convert Skein to Parsec
Converting Skein to Parsec involves multiplying the value by a specific conversion factor, as shown in the formula below.
Formula:
1 Skein = 3.5560e-15 parsecsExample Calculation:
Convert 10 skeins: 10 × 3.5560e-15 = 3.5560e-14 parsecs
Disclaimer: For Reference Only
These conversion results are provided for informational purposes only. While we strive for accuracy, we make no guarantees regarding the precision of these results, especially for conversions involving extremely large or small numbers which may be subject to the inherent limitations of standard computer floating-point arithmetic.
Not for professional use. Results should be verified before use in any critical application. View our Terms of Service for more information.
What is a Skein and a Parsec?
A Skein is a traditional unit of length primarily used for measuring yarn or thread. It represents a specific length of yarn coiled into a loop, often then twisted for packaging and sale.
The length of a skein is highly variable and depends significantly on the type of fiber (e.g., cotton, wool, linen), the region, and the specific yarn count system being used. There is no single universal standard.
Common historical or industry-specific standard lengths include:
- Cotton Skein (or Hank): 840 yards (≈ 768.1 meters)
- Worsted Wool Skein (or Hank): 560 yards (≈ 512.1 meters)
- Linen Skein (or Lea): 300 yards (≈ 274.3 meters)
For the purpose of this converter, a Skein is defined as:
- Exactly 120 yards (yd)
- Exactly 109.728 meters (m)
- Exactly 360 feet (ft)
This value (120 yards) corresponds to a Lea, a unit often associated with linen and sometimes used as a subdivision or specific standard in certain yarn count systems.
The Parsec (symbol pc) is a unit of length used to measure the enormous distances to astronomical objects outside the Solar System. One parsec is defined as the distance at which one astronomical unit (AU) – the average distance between the Earth and the Sun – subtends an angle of one arcsecond (1/3600th of a degree). This corresponds to approximately:
- 3.0857 × 10¹⁶ meters (m)
- 30.857 trillion kilometers (km)
- 19.174 trillion miles (mi)
- 206,264.8 astronomical units (AU)
- 3.26156 light-years (ly)
It is derived directly from the method of trigonometric parallax used by astronomers to measure stellar distances.
Note: The Skein is part of the imperial/US customary system, primarily used in the US, UK, and Canada for everyday measurements. The Parsec belongs to the imperial/US customary system.
History of the Skein and Parsec
The practice of winding yarn into standardized lengths like skeins or hanks dates back centuries. It originated as a practical way to manage, measure, dye, trade, and store yarn. Standardizing the length allowed spinners, weavers, and merchants to calculate material quantities and costs more reliably.
Different textile industries and regions developed their own specific standards for skein lengths. These standards became intrinsically linked to yarn count systems (e.g., Cotton Count (Ne), Worsted Count (Nw), Linen Count (NeL)), which define the fineness (thickness) of yarn based on the length per unit weight (e.g., the number of 840-yard hanks per pound for cotton).
While metric units (meters, kilograms) are now standard for trade, the historical skein lengths remain relevant for understanding yarn counts and for crafts like knitting and crochet where yarn is still often sold in skeins or hanks labeled with length and weight.
The concept of measuring stellar distances via parallax existed long before the unit itself. The term "parsec" was coined by the British astronomer Herbert Hall Turner in 1913. He sought a convenient unit for astronomers that directly reflected the observational method. The name is a portmanteau derived from "parallax of one arcsecond". It quickly gained acceptance within the astronomical community due to its practical connection to parallax measurements, which were (and still are) a fundamental way to determine distances to nearby stars.
Common Uses for skeins and parsecs
Explore the typical applications for both Skein (imperial/US) and Parsec (imperial/US) to understand their common contexts.
Common Uses for skeins
Historically and currently, the skein (or the concept of a standard yarn length) is used in:
- Textile Industry: Calculating yarn yield, planning weaving or knitting projects, and defining yarn counts.
- Yarn Sales: Yarn for handcrafts (knitting, crochet) is commonly sold in skeins or hanks, usually labeled with weight, length (in yards or meters), and fiber type.
- Dyeing: Skeins are a convenient form for dyeing batches of yarn evenly.
- Historical Context: Understanding older textile production methods, trade practices, and calculations.
Common Uses for parsecs
The parsec is the preferred unit of distance in professional astronomy and astrophysics:
- Stellar Distances: Measuring distances to nearby stars using parallax.
- Galactic Structure: Describing distances within the Milky Way galaxy (often using kiloparsecs, kpc, where 1 kpc = 1000 pc). For example, the Sun is about 8 kpc from the Galactic Center.
- Extragalactic Distances: Measuring distances to other galaxies and galaxy clusters (often using megaparsecs, Mpc, where 1 Mpc = 1,000,000 pc). The Hubble constant, describing the expansion of the universe, is typically expressed in (km/s)/Mpc.
- Cosmology: Discussing large-scale structures and distances in the universe (using Mpc and sometimes gigaparsecs, Gpc, where 1 Gpc = 1000 Mpc).
Frequently Asked Questions
Questions About Skein (skein)
How long is a skein?
The length varies greatly! There is no single universal value. Common standards include:
- Cotton: 840 yards (≈ 768 m)
- Worsted Wool: 560 yards (≈ 512 m)
- Linen (Lea): 300 yards (≈ 274 m)
- Value used in this converter: 120 yards (≈ 110 m), representing a specific standard sometimes called a Lea.
Always check the specific fiber type or context when dealing with skeins.
How is a skein different from a hank or a ball of yarn?
- Skein / Hank: These terms are often used interchangeably. They refer to yarn wound into a large loop, which is usually twisted for sale. This form is good for dyeing and storage but must be wound into a ball before use to prevent tangling.
- Ball: Yarn wound into a spherical or oval shape, ready for direct use in knitting or crocheting.
Sometimes "skein" is used informally to refer to any package of yarn.
What is yarn count and how does it relate to skeins?
Yarn count is a measure of the fineness (thickness) of yarn. Most systems define it based on length per unit weight. Standard skein/hank lengths are fundamental to these systems. For example:
- Cotton Count (Ne): The number of 840-yard hanks that weigh one pound. Higher Ne means finer yarn.
- Worsted Count (Nw): The number of 560-yard hanks that weigh one pound.
- Linen Count (NeL or Lea): The number of 300-yard leas that weigh one pound.
Is the Skein an SI unit?
No, the Skein is not an SI unit. It is a traditional, variable unit used in the textile industry. The SI base unit for length is the meter (m). Yarn length is typically measured in meters or yards in modern contexts.
About Parsec (pc)
What does 'Parsec' stand for?
Parsec is a blend of "parallax of one arcsecond". It represents the distance at which the parallax angle of a star is exactly one second of arc.
How is a parsec defined?
It's defined based on trigonometry. Imagine a right-angled triangle in space where the short side is the Earth-Sun distance (1 AU). The parsec is the length of the adjacent side when the angle at the distant star (the parallax angle) is exactly one arcsecond.
Is a Parsec bigger than a Light Year?
Yes, one parsec is significantly larger than one light-year.
- 1 Parsec ≈ 3.26 light-years
How many meters or kilometers are in a parsec?
One parsec is approximately:
- 3.0857 × 10¹⁶ meters
- 30.857 trillion kilometers
How many Astronomical Units (AU) are in a parsec?
One parsec is equal to approximately 206,265 AU. This number arises directly from the definition involving radians and arcseconds (specifically, the number of arcseconds in a radian).
Why do astronomers use parsecs instead of light-years?
While both are used, parsecs are often preferred in professional contexts because:
- Direct Observational Link: The parsec is derived directly from the parallax angle, a primary method for measuring distance.
- Historical Convention: It became the standard unit early in the development of stellar distance measurement.
- Convenience: Multiples like kpc and Mpc provide convenient scales for galactic and extragalactic distances.
- Definition Stability: The definition of a light-year depends slightly on the definition of a "year" (e.g., Julian year), whereas the parsec is based on the fixed AU and geometric angles.
Is the parsec an SI unit?
No, the parsec is not an SI unit. The SI unit for length is the meter (m). However, the parsec (along with the astronomical unit and light-year) is recognized by the International Astronomical Union (IAU) and is widely accepted for use in astronomy.
Conversion Table: Skein to Parsec
| Skein (skein) | Parsec (pc) |
|---|---|
| 1 | 0 |
| 5 | 0 |
| 10 | 0 |
| 25 | 0 |
| 50 | 0 |
| 100 | 0 |
| 500 | 0 |
| 1,000 | 0 |
All Length Conversions
Other Units from Length
- Meter (m)
- Kilometer (km)
- Hectometer (hm)
- Decimeter (dm)
- Centimeter (cm)
- Millimeter (mm)
- Inch (in)
- Foot (ft)
- Yard (yd)
- Mile (mi)
- Nautical Mile (NM)
- Micrometer (μm)
- Nanometer (nm)
- Light Year (ly)
- Astronomical Unit (AU)
- Angstrom (Å)
- Point (Typography) (pt)
- Mil/Thou (mil)
- Fathom (fath)
- Furlong (fur)
- Link (Gunter's) (li)
- Pace (pace)
- Span (span)
- Digit (digit)
- Cable Length (cb)
- Ell (ell)
- Finger (finger)
- Roman Mile (m.p.)
- Stadion (stadion)
- Chi (Chinese) (chi)
- Shaku (Japanese) (shaku)
- Li (Chinese) (li)
- Toise (toise)
- Bolt (bolt)
- Rope (rope)
- Smoot (smoot)
- Sajene (sajene)
- Ken (ken)
- Wa (wa)
- Vara (vara)
- Aln (aln)
- Cubit (Royal/Egyptian) (cubit)
- Versta (versta)
- Arpent (arpent)
- Ri (Japanese) (ri)
- Klafter (klafter)
- Yojana (yojana)