Convert Carat (metric) to Gerah (Biblical Hebrew)
Convert carats (metric) to gerahs (biblical hebrew) instantly. 1 carat (metric) = 0.350877193 gerah (biblical hebrew) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Gerah (Biblical Hebrew) to Carat (metric) converter for the reverse conversion.
Units explained
Carat (metric)
The metric carat (ct) equals exactly 200 milligrams (0.0002 kg).
From Arabic 'qirat' and Greek 'keration', the carob seed once used as a counterweight.
The worldwide standard for gemstone and diamond mass.
The metric carat was fixed at 200 mg internationally in 1907.
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.
Carat (metric) 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 carats (metric) and gerahs (biblical hebrew):
To convert carats (metric) to gerahs (biblical hebrew), multiply the value in carats (metric) by 0.350877193. To reverse, multiply gerahs (biblical hebrew) by 2.85.
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 Carat (metric) converter for the reverse direction.
Step-by-step: convert carats (metric) to gerahs (biblical hebrew)
- Write down the value in carats (metric) (ct).
- Multiply that value by the factor 0.350877193.
- The product is the equivalent value in gerahs (biblical hebrew) (gerah).
- To reverse, multiply the gerah (biblical hebrew) value by 2.85.
Worked examples
Example 1 — Convert 1 ct to gerah:
1 × 0.350877193 = 0.350877193 gerah
Example 2 — Convert 100 ct to gerah:
100 × 0.350877193 = 35.0877192982 gerah
Real-world example — Hair-width scale measurements
A 70-carat (metric) measurement (about the diameter of a human hair) is the kind of value materials engineers regularly express in adjacent micro-scale units like gerahs (biblical hebrew) for direct comparison across supplier datasheets.
70 ct × 0.350877193 = 24.5614035088 gerah
Real-world example — Paper and film thicknesses
At the thickness of office paper (roughly 3 carats (metric)), converting between sub-millimeter units is routine for packaging and printing buyers comparing quotes from metric and US suppliers.
3 ct × 0.350877193 = 1.0526315789 gerah
Real-world example — Plastic-film thickness alternates
A 150-carat (metric) plastic film converts cleanly to gerahs (biblical hebrew) — useful for packaging buyers reconciling supplier datasheets across metric and US measurement systems.
150 ct × 0.350877193 = 52.6315789474 gerah
Carat (metric) to Gerah (Biblical Hebrew) conversion table
Standard reference values for converting carats (metric) to gerahs (biblical hebrew):
| Carat (metric) [ct] | Gerah (Biblical Hebrew) [gerah] |
|---|---|
| 0.01 | 0.0035087719 |
| 0.1 | 0.0350877193 |
| 1 | 0.350877193 |
| 2 | 0.701754386 |
| 3 | 1.0526315789 |
| 4 | 1.4035087719 |
| 5 | 1.7543859649 |
| 10 | 3.5087719298 |
| 20 | 7.0175438596 |
| 30 | 10.5263157895 |
| 40 | 14.0350877193 |
| 50 | 17.5438596491 |
| 100 | 35.0877192982 |
| 500 | 175.4385964912 |
| 1000 | 350.8771929825 |
Frequently asked questions
How many gerahs (biblical hebrew) is 1 carat (metric)?
How do I convert carats (metric) to gerahs (biblical hebrew)?
How do I convert gerahs (biblical hebrew) back to carats (metric)?
How many gerahs (biblical hebrew) is 100 carats (metric)?
Popular weight unit conversions
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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 ct = 0.350877193 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.