Atomic Mass Unit to Pavan (India) Conversion Calculator: Free Online Tool
Convert atomic mass units to pavan with our free online weight converter.
Atomic Mass Unit to Pavan (India) Calculator
How to Use the Calculator:
- Enter the value you want to convert in the 'From' field (Atomic Mass Unit).
- The converted value in Pavan (India) will appear automatically in the 'To' field.
- Use the dropdown menus to select different units within the Weight category.
- Click the swap button (⇌) to reverse the conversion direction.
How to Convert Atomic Mass Unit to Pavan (India)
Converting Atomic Mass Unit to Pavan (India) involves multiplying the value by a specific conversion factor, as shown in the formula below.
Formula:
1 Atomic Mass Unit = 2.07567e-25 pavanExample Calculation:
Convert 5 atomic mass units: 5 × 2.07567e-25 = 1.03784e-24 pavan
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 Atomic Mass Unit and a Pavan (India)?
The Atomic Mass Unit (symbol: u), also known as the Dalton (symbol: Da), is a standard unit of mass used to express the masses of atoms and molecules. It is defined as exactly one-twelfth (1/12) of the mass of an unbound neutral atom of carbon-12 in its nuclear and electronic ground state and at rest. This definition provides a convenient scale for comparing the masses of different isotopes and molecules.
The Pavan (പവൻ), sometimes spelled Pawan or Pavana, is a traditional unit of mass predominantly used in the state of Kerala, South India, almost exclusively for measuring gold. It is defined as being exactly equal to 8 grams. Unlike units like the Tola or Masha which had broader applications, the Pavan's use is tightly linked to the gold trade and jewelry market in this specific region.
Note: The Atomic Mass Unit is part of the imperial/US customary system, primarily used in the US, UK, and Canada for everyday measurements. The Pavan (India) belongs to the imperial/US customary system.
History of the Atomic Mass Unit and Pavan (India)
The concept of a relative atomic mass scale emerged in the early 19th century with John Dalton. Initially, hydrogen was used as the standard. Later, oxygen became the standard (first as natural oxygen, then oxygen-16). In 1961, the International Union of Pure and Applied Chemistry (IUPAC) adopted the current standard based on carbon-12 to resolve discrepancies between the physics and chemistry scales that used oxygen-16 and natural oxygen, respectively. The name "Dalton" (Da) was proposed later and is now widely accepted, especially in biochemistry and molecular biology.
The origin of the Pavan as a unit is closely tied to the weight of the British Gold Sovereign coin, which weighs approximately 7.98805 grams (very close to 8 grams). During the British colonial era and afterwards, the Sovereign was a common form of holding gold, and its weight became a de facto standard for gold transactions in certain regions, particularly Kerala. Over time, 'Pavan' became synonymous with this 8-gram standard for gold. Despite the official adoption of the metric system in India, the Pavan remains the primary unit for quoting gold prices and measuring gold weight in jewelry shops throughout Kerala and among the Malayali diaspora.
Common Uses for atomic mass units and pavan
Explore the typical applications for both Atomic Mass Unit (imperial/US) and Pavan (India) (imperial/US) to understand their common contexts.
Common Uses for atomic mass units
- Chemistry: Expressing atomic weights of elements and molecular weights of compounds. Essential for stoichiometry calculations.
- Physics: Measuring the masses of subatomic particles, nuclei, and atoms with high precision. Used in mass spectrometry.
- Biochemistry & Molecular Biology: Expressing the masses of large molecules like proteins and nucleic acids, often using the kilodalton (kDa) or megadalton (MDa).
Common Uses for pavan
The Pavan is almost exclusively used for:
- Gold Jewelry: Pricing, buying, and selling gold ornaments (necklaces, bangles, earrings, etc.) in Kerala. Jewelry weight is almost always specified in Pavan.
- Gold Bullion: Measuring and trading small gold bars or coins, especially in local markets.
- Investment Gold: Discussing and quantifying personal gold holdings.
- Cultural Significance: Often used in contexts like dowries or gifts where gold quantity is specified.
Frequently Asked Questions
Questions About Atomic Mass Unit (u)
What is the value of 1 u (or Da) in kilograms?
1 atomic mass unit (u) is approximately equal to 1.660 539 066 60(50) × 10⁻²⁷ kilograms (kg). The numbers in parentheses represent the uncertainty in the last digits.
Is the atomic mass unit (amu) the same as the Dalton (Da)?
Yes, the unified atomic mass unit (u) and the Dalton (Da) refer to the same unit of mass, defined based on carbon-12. While 'amu' might sometimes refer to older, slightly different definitions based on oxygen, modern usage treats 'u' and 'Da' as synonymous. The Dalton (Da) is often preferred in biological sciences.
Why was Carbon-12 chosen as the standard for atomic mass?
Carbon-12 was chosen as the reference standard in 1961 for several reasons:
- Relative Abundance: Carbon-12 is a reasonably abundant isotope (about 98.9% of natural carbon).
- Stability: It is a stable nuclide (not radioactive).
- Convenience: Its mass is close to an integer value (12), making it a convenient reference point.
- Resolution: It resolved the discrepancy between the older physics (based on oxygen-16) and chemistry (based on natural oxygen) mass scales.
About Pavan (India) (pavan)
How many grams are in a Pavan?
One Pavan is exactly equal to 8 grams (g). This is the standard definition used throughout Kerala and in the gold trade associated with the region.
Is Pavan used outside of India?
The Pavan is primarily used within India, specifically concentrated in the state of Kerala. It is also commonly used by the Malayali diaspora community worldwide when dealing with gold transactions within the community or purchasing gold from Keralite jewelers abroad. It is not a standard unit in other parts of India or internationally outside these specific contexts.
How does Pavan relate to Tola?
The Pavan and the Tola are distinct traditional Indian units of mass, primarily used for gold, but with different values.
- 1 Pavan = 8 grams
- 1 Tola ≈ 11.664 grams They are not directly related in a simple ratio and represent different weight standards originating from different influences (Pavan linked to the Sovereign coin, Tola having older roots). While both measure gold, they are used in different regions or contexts (Pavan dominant in Kerala, Tola historically more widespread and still used in other parts of India).
Conversion Table: Atomic Mass Unit to Pavan (India)
| Atomic Mass Unit (u) | Pavan (India) (pavan) |
|---|---|
| 1 | 0 |
| 5 | 0 |
| 10 | 0 |
| 25 | 0 |
| 50 | 0 |
| 100 | 0 |
| 500 | 0 |
| 1,000 | 0 |
All Weight Conversions
Other Units from Weight
- Kilogram (kg)
- Gram (g)
- Milligram (mg)
- Pound (lb)
- Ounce (oz)
- Stone (st)
- Ton (metric) (t)
- Ton (US) (ton)
- Ton (UK) (long ton)
- Microgram (µg)
- Carat (ct)
- Slug (sl)
- Troy Ounce (oz t)
- Pennyweight (dwt)
- Grain (gr)
- Dram (dr)
- Quintal (q)
- Kati (India) (kati)
- Masha (India) (masha)
- Dina (India) (dina)
- Pras (India) (pras)
- Lota (India) (lota)