Convert Quarter (UK) (qr (UK)) to Sun's Mass (M☉) instantly.
About these units
Quarter (UK) (qr (UK))
The UK quarter, equal to 28 pounds, corresponds to 1/4 of a UK hundredweight. Historically used in grain trade, wool markets, and taxation, it reflects the older English approach to structuring weights around the stone. Its direct link to the long hundredweight made it easy for merchants to calculate loads and price goods. While obsolete today, the UK quarter remains important for historians reconstructing traditional British commerce and agricultural economies.
Sun's Mass (M☉)
The Sun's mass, approximately 1.9885 × 10³⁰ kilograms, dominates the solar system, comprising 99.86% of all its mass. Solar mass controls planetary orbits, defines the structure of the heliosphere, and fuels stellar fusion reactions that sustain life on Earth. Astronomers use the solar mass as a comparative unit for other stars, star clusters, and black holes, making it one of the most important astronomical constants.