Pennyweight to Microgram Conversion Calculator: Free Online Tool
Convert pennyweights to micrograms with our free online weight converter.
Pennyweight to Microgram Calculator
How to Use the Calculator:
- Enter the value you want to convert in the 'From' field (Pennyweight).
- The converted value in Microgram 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 Pennyweight to Microgram
Converting Pennyweight to Microgram involves multiplying the value by a specific conversion factor, as shown in the formula below.
Formula:
1 Pennyweight = 1555170 microgramsExample Calculation:
Convert 5 pennyweights: 5 × 1555170 = 7775850 micrograms
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 Pennyweight and a Microgram?
The pennyweight (dwt) is a unit of mass in the troy weight system. It is equal to 1/20 of a troy ounce, or 24 grains. It is equivalent to exactly 1.55517384 grams.
A microgram is a unit of mass in the metric system equal to one millionth (1/1,000,000) of a gram, or one thousandth (1/1,000) of a milligram. It is often denoted by the symbol µg.
Note: The Pennyweight is part of the imperial/US customary system, primarily used in the US, UK, and Canada for everyday measurements. The Microgram belongs to the metric (SI) system.
History of the Pennyweight and Microgram
Historically, the pennyweight was the weight of a silver penny in medieval England. It became part of the standardized troy system used for precious metals and coinage.
The microgram is derived from the gram, a base unit in early metric systems defined in the late 18th century. The prefix "micro-" indicates a factor of 10⁻⁶.
Common Uses for pennyweights and micrograms
Explore the typical applications for both Pennyweight (imperial/US) and Microgram (metric) to understand their common contexts.
Common Uses for pennyweights
- Jewelry: Used by jewelers and goldsmiths for measuring quantities of precious metals during crafting and valuation.
- Dentistry: Sometimes used for measuring dental alloys.
- Ammunition: Historically used for specifying the weight of components in ammunition.
Common Uses for micrograms
- Medicine & Pharmaceuticals: Measuring dosages of potent medications and vitamins.
- Chemistry & Biology: Quantifying trace amounts of substances in experiments.
- Environmental Science: Measuring concentrations of pollutants or contaminants.
- Nutrition: Specifying amounts of trace minerals and vitamins in food.
Frequently Asked Questions
Questions About Pennyweight (dwt)
How many pennyweights are in a troy ounce?
There are 20 pennyweights (dwt) in 1 troy ounce (oz t).
How many grains are in a pennyweight?
There are 24 grains (gr) in 1 pennyweight (dwt).
How many grams are in a pennyweight?
There are exactly 1.55517384 grams (g) in 1 pennyweight (dwt).
About Microgram (µg)
How many micrograms are in a milligram?
There are 1,000 micrograms (µg) in 1 milligram (mg).
How many micrograms are in a gram?
There are 1,000,000 micrograms (µg) in 1 gram (g).
What is the symbol for microgram?
The standard symbol is µg. Sometimes 'mcg' is used, especially in medical contexts, to avoid confusion with 'mg' (milligram) if the µ symbol is unavailable or could be misread.
Conversion Table: Pennyweight to Microgram
| Pennyweight (dwt) | Microgram (µg) |
|---|---|
| 1 | 1,555,173.84 |
| 5 | 7,775,869.2 |
| 10 | 15,551,738.4 |
| 25 | 38,879,346 |
| 50 | 77,758,692 |
| 100 | 155,517,384 |
| 500 | 777,586,920 |
| 1,000 | 1,555,173,840 |
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)
- Carat (ct)
- Slug (sl)
- Troy Ounce (oz t)
- Grain (gr)
- Dram (dr)
- Quintal (q)
- Atomic Mass Unit (u)
- Pavan (India) (pavan)
- Kati (India) (kati)
- Masha (India) (masha)
- Dina (India) (dina)
- Pras (India) (pras)
- Lota (India) (lota)