Convert Yard to Sun's Radius
Convert yards to sun's radii instantly. 1 yard = 1.31436e-9 sun's radius — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Sun's Radius to Yard converter for the reverse conversion.
Units explained
Yard
A yard is an Imperial and US customary unit of length equal to 3 feet or exactly 0.9144 meters. It is used for medium distances, particularly in athletics and fabric/textile measurement.
The yard's origin is contested but traditionally attributed to the length from the tip of King Henry I's nose to the end of his outstretched thumb. It was standardized in English law from the medieval period and definitively fixed at 0.9144 m exactly by the 1959 International Yard and Pound Agreement.
Yards are used in American football (10 yards for a first down), golf course distances, fabric and carpet sales in the US, and short-distance running events. The UK uses yards informally and on road signs for short distances.
Standardized in English law from the Middle Ages; fixed at 0.9144 m exactly by the 1959 International Yard and Pound Agreement.
Sun's Radius
The Sun's radius is approximately 695,700 km (6.957×10⁸ m), defined as the IAU 2015 nominal solar radius for use in stellar physics and exoplanet research.
The IAU (International Astronomical Union) Resolution B3 in 2015 defined a nominal solar radius of exactly 6.957×10⁸ m to serve as a stable reference, independent of actual measurement-uncertainty variations in the real Sun.
Solar radii are used in stellar physics, exoplanet characterisation, and any context where a star's size is expressed relative to the Sun. Most stellar radius measurements are quoted in solar-radius units rather than meters.
Defined exactly at 6.957×10⁸ m by IAU Resolution B3 in 2015.
Yard to Sun's Radius conversion formula
The relationship between yards and sun's radii:
To convert yards to sun's radii, multiply the value in yards by 1.31436e-9. To reverse, multiply sun's radii by 7.608268e+8.
How to use this converter
Type a value into the calculator. The result in sun's radii updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Sun's Radius to Yard converter for the reverse direction.
Step-by-step: convert yards to sun's radii
- Write down the value in yards (yd).
- Multiply that value by the factor 1.31436e-9.
- The product is the equivalent value in sun's radii (R☉).
- To reverse, multiply the sun's radius value by 7.608268e+8.
Worked examples
Example 1 — Convert 1 yd to R☉:
1 × 1.31436e-9 = 1.31436e-9 R☉
Example 2 — Convert 100 yd to R☉:
100 × 1.31436e-9 = 1.31436e-7 R☉
Real-world example — Maritime depth conversion
A 10-yard sounding depth converts cleanly into sun's radii. Recreational divers and sailors translate between the two units whenever they read legacy charts against modern depth-sounder displays.
10 yd × 1.31436e-9 = 1.31436e-8 R☉
Real-world example — Reference scenario in case of fallback
Conversion between human-scale length units is the everyday workflow of architecture, athletics, and apparel design — three of the most common contexts that span metric and imperial systems.
1 yd × 1.31436e-9 = 1.31436e-9 R☉
Real-world example — Adult height conversion
A 1.8-yard-tall person measures a value in sun's radii that converts the height to the unit favoured by American forms, schools, or driver's licences. This is daily routine for anyone living between metric and imperial systems.
1.8 yd × 1.31436e-9 = 2.365847e-9 R☉
Yard to Sun's Radius conversion table
Standard reference values for converting yards to sun's radii:
| Yard [yd] | Sun's Radius [R☉] |
|---|---|
| 0.01 | 1.31436e-11 |
| 0.1 | 1.31436e-10 |
| 1 | 1.31436e-9 |
| 2 | 2.628719e-9 |
| 3 | 3.943079e-9 |
| 4 | 5.257439e-9 |
| 5 | 6.571798e-9 |
| 10 | 1.31436e-8 |
| 20 | 2.628719e-8 |
| 30 | 3.943079e-8 |
| 40 | 5.257439e-8 |
| 50 | 6.571798e-8 |
| 100 | 1.31436e-7 |
| 500 | 6.571798e-7 |
| 1000 | 1.31436e-6 |
Frequently asked questions
How many sun's radii is 1 yard?
How do I convert yards to sun's radii?
How do I convert sun's radii back to yards?
How many sun's radii is 100 yards?
Popular length unit conversions
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Metric / SI (18 units)
Imperial / US Customary (26 units)
Nautical (1 units)
Astronomical (9 units)
Atomic / Physics (6 units)
Typographic (3 units)
Sources & references
Conversion factor (1 yd = 1.31436e-9 R☉) 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.