Convert Exagram to Scruple (apothecary)
Convert exagrams to scruples (apothecary) instantly. 1 exagram = 7.716179e+17 scruple (apothecary) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Scruple (apothecary) to Exagram converter for the reverse conversion.
Units explained
Exagram
An exagram (Eg) equals 10^15 kilograms, or one quintillion grams.
From the SI prefix 'exa-' (from Greek 'hex', six, denoting the sixth power of 1000).
Confined to planetary- and atmospheric-scale mass discussions; never used in daily measurement.
The exa- prefix was adopted by the General Conference on Weights and Measures (CGPM) in 1975.
Scruple (apothecary)
The apothecary scruple equals 20 grains, about 1.296 grams.
From Latin 'scrupulus', a small sharp pebble used as a tiny weight.
Historical apothecary dosing of powders.
Part of the apothecaries' system used through the 19th century.
Exagram to Scruple (apothecary) conversion formula
The relationship between exagrams and scruples (apothecary):
To convert exagrams to scruples (apothecary), multiply the value in exagrams by 7.716179e+17. To reverse, multiply scruples (apothecary) by 1.295978e-18.
How to use this converter
Type a value into the calculator. The result in scruples (apothecary) updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Scruple (apothecary) to Exagram converter for the reverse direction.
Step-by-step: convert exagrams to scruples (apothecary)
- Write down the value in exagrams (Eg).
- Multiply that value by the factor 7.716179e+17.
- The product is the equivalent value in scruples (apothecary) (s ap).
- To reverse, multiply the scruple (apothecary) value by 1.295978e-18.
Worked examples
Example 1 — Convert 1 Eg to s ap:
1 × 7.716179e+17 = 7.716179e+17 s ap
Example 2 — Convert 100 Eg to s ap:
100 × 7.716179e+17 = 7.716179e+19 s ap
Exagram to Scruple (apothecary) conversion table
Standard reference values for converting exagrams to scruples (apothecary):
| Exagram [Eg] | Scruple (apothecary) [s ap] |
|---|---|
| 0.01 | 7.716179e+15 |
| 0.1 | 7.716179e+16 |
| 1 | 7.716179e+17 |
| 2 | 1.543236e+18 |
| 3 | 2.314854e+18 |
| 4 | 3.086472e+18 |
| 5 | 3.85809e+18 |
| 10 | 7.716179e+18 |
| 20 | 1.543236e+19 |
| 30 | 2.314854e+19 |
| 40 | 3.086472e+19 |
| 50 | 3.85809e+19 |
| 100 | 7.716179e+19 |
| 500 | 3.85809e+20 |
| 1000 | 7.716179e+20 |
Frequently asked questions
How many scruples (apothecary) is 1 exagram?
How do I convert exagrams to scruples (apothecary)?
How do I convert scruples (apothecary) back to exagrams?
How many scruples (apothecary) is 100 exagrams?
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Astronomical (4 units)
Biblical / Ancient (14 units)
Sources & references
Conversion factor (1 Eg = 7.716179e+17 s ap) 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.