Convert Quadrans (Biblical Roman) to Carat (metric)
Convert quadranses (biblical roman) to carats (metric) instantly. 1 quadrans (biblical roman) = 0.3007815 carat (metric) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Carat (metric) to Quadrans (Biblical Roman) converter for the reverse conversion.
Units explained
Quadrans (Biblical Roman)
The quadrans was a quarter of an as, about 0.06 gram in this scale.
From Latin 'quadrans', a quarter part.
Roman small change referenced in scripture.
A minor Roman bronze denomination.
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.
Quadrans (Biblical Roman) to Carat (metric) 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 quadranses (biblical roman) and carats (metric):
To convert quadranses (biblical roman) to carats (metric), multiply the value in quadranses (biblical roman) by 0.3007815. To reverse, multiply carats (metric) by 3.3246725613.
How to use this converter
Type a value into the calculator. The result in carats (metric) updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Carat (metric) to Quadrans (Biblical Roman) converter for the reverse direction.
Step-by-step: convert quadranses (biblical roman) to carats (metric)
- Write down the value in quadranses (biblical roman) (quadrans).
- Multiply that value by the factor 0.3007815.
- The product is the equivalent value in carats (metric) (ct).
- To reverse, multiply the carat (metric) value by 3.3246725613.
Worked examples
Example 1 — Convert 1 quadrans to ct:
1 × 0.3007815 = 0.3007815 ct
Example 2 — Convert 100 quadrans to ct:
100 × 0.3007815 = 30.07815 ct
Real-world example — Plastic-film thickness alternates
A 150-quadrans (biblical roman) plastic film converts cleanly to carats (metric) — useful for packaging buyers reconciling supplier datasheets across metric and US measurement systems.
150 quadrans × 0.3007815 = 45.117225 ct
Real-world example — Hair-width scale measurements
A 70-quadrans (biblical roman) measurement (about the diameter of a human hair) is the kind of value materials engineers regularly express in adjacent micro-scale units like carats (metric) for direct comparison across supplier datasheets.
70 quadrans × 0.3007815 = 21.054705 ct
Real-world example — Paper and film thicknesses
At the thickness of office paper (roughly 3 quadranses (biblical roman)), converting between sub-millimeter units is routine for packaging and printing buyers comparing quotes from metric and US suppliers.
3 quadrans × 0.3007815 = 0.9023445 ct
Quadrans (Biblical Roman) to Carat (metric) conversion table
Standard reference values for converting quadranses (biblical roman) to carats (metric):
| Quadrans (Biblical Roman) [quadrans] | Carat (metric) [ct] |
|---|---|
| 0.01 | 0.003007815 |
| 0.1 | 0.03007815 |
| 1 | 0.3007815 |
| 2 | 0.601563 |
| 3 | 0.9023445 |
| 4 | 1.203126 |
| 5 | 1.5039075 |
| 10 | 3.007815 |
| 20 | 6.01563 |
| 30 | 9.023445 |
| 40 | 12.03126 |
| 50 | 15.039075 |
| 100 | 30.07815 |
| 500 | 150.39075 |
| 1000 | 300.7815 |
Frequently asked questions
How many carats (metric) is 1 quadrans (biblical roman)?
How do I convert quadranses (biblical roman) to carats (metric)?
How do I convert carats (metric) back to quadranses (biblical roman)?
How many carats (metric) is 100 quadranses (biblical roman)?
Popular weight unit conversions
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Metric / SI (18 units)
Avoirdupois (15 units)
Troy & Apothecary (10 units)
Indian / South Asian (6 units)
Scientific / Atomic (9 units)
Astronomical (4 units)
Biblical / Ancient (13 units)
Sources & references
Conversion factor (1 quadrans = 0.3007815 ct) 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 Hydrographic Organization — Resolution on the Nautical Mile
International authority that standardised the nautical mile at exactly 1852 m in 1929 — the value adopted worldwide for sea and air navigation.