Convert Scruple (apothecary) to Gerah (Biblical Hebrew)
Convert scruples (apothecary) to gerahs (biblical hebrew) instantly. 1 scruple (apothecary) = 2.2736459649 gerah (biblical hebrew) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Gerah (Biblical Hebrew) to Scruple (apothecary) converter for the reverse conversion.
Units explained
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.
Gerah (Biblical Hebrew)
The gerah was the smallest Hebrew weight, about 0.57 gram (one-twentieth of a shekel).
From a Hebrew word for a small grain or bean.
Ancient Israelite metrology.
Part of the smallest divisions of the biblical shekel.
Scruple (apothecary) to Gerah (Biblical Hebrew) conversion formula
Note: this conversion uses a generally accepted modern value. Historical and regional definitions of this unit varied across times and places.
The relationship between scruples (apothecary) and gerahs (biblical hebrew):
To convert scruples (apothecary) to gerahs (biblical hebrew), multiply the value in scruples (apothecary) by 2.2736459649. To reverse, multiply gerahs (biblical hebrew) by 0.4398222131.
How to use this converter
Type a value into the calculator. The result in gerahs (biblical hebrew) updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Gerah (Biblical Hebrew) to Scruple (apothecary) converter for the reverse direction.
Step-by-step: convert scruples (apothecary) to gerahs (biblical hebrew)
- Write down the value in scruples (apothecary) (s ap).
- Multiply that value by the factor 2.2736459649.
- The product is the equivalent value in gerahs (biblical hebrew) (gerah).
- To reverse, multiply the gerah (biblical hebrew) value by 0.4398222131.
Worked examples
Example 1 — Convert 1 s ap to gerah:
1 × 2.2736459649 = 2.2736459649 gerah
Example 2 — Convert 100 s ap to gerah:
100 × 2.2736459649 = 227.3645964912 gerah
Real-world example — Adjacent small-scale precision
One scruple (apothecary) equals 1,000 gerahs (biblical hebrew) — the standard sub-millimeter precision conversion that materials engineers use whenever they switch between bulk material thickness specs (larger unit) and surface-finish characteristics (smaller unit).
1 s ap × 2.2736459649 = 2.2736459649 gerah
Real-world example — Adjacent metric sub-units
One scruple (apothecary) equals 1,000 gerahs (biblical hebrew). Engineers move between these scales constantly: PCB feature sizes in the larger unit, wire-bond diameters in the smaller.
1 s ap × 2.2736459649 = 2.2736459649 gerah
Scruple (apothecary) to Gerah (Biblical Hebrew) conversion table
Standard reference values for converting scruples (apothecary) to gerahs (biblical hebrew):
| Scruple (apothecary) [s ap] | Gerah (Biblical Hebrew) [gerah] |
|---|---|
| 0.01 | 0.0227364596 |
| 0.1 | 0.2273645965 |
| 1 | 2.2736459649 |
| 2 | 4.5472919298 |
| 3 | 6.8209378947 |
| 4 | 9.0945838596 |
| 5 | 11.3682298246 |
| 10 | 22.7364596491 |
| 20 | 45.4729192982 |
| 30 | 68.2093789474 |
| 40 | 90.9458385965 |
| 50 | 113.6822982456 |
| 100 | 227.3645964912 |
| 500 | 1136.8229824561 |
| 1000 | 2273.6459649123 |
Frequently asked questions
How many gerahs (biblical hebrew) is 1 scruple (apothecary)?
How do I convert scruples (apothecary) to gerahs (biblical hebrew)?
How do I convert gerahs (biblical hebrew) back to scruples (apothecary)?
How many gerahs (biblical hebrew) is 100 scruples (apothecary)?
Popular weight unit conversions
Convert Scruple (apothecary) to other weight units
Show all Scruple (apothecary) conversions
Metric / SI (18 units)
Avoirdupois (15 units)
Troy & Apothecary (9 units)
Indian / South Asian (6 units)
Scientific / Atomic (9 units)
Astronomical (4 units)
Biblical / Ancient (14 units)
Sources & references
Conversion factor (1 s ap = 2.2736459649 gerah) 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.