Mass and Weight · Unit Converter

Convert Carat (metric) to Quadrans (Biblical Roman)

Convert carats (metric) to quadranses (biblical roman) instantly. 1 carat (metric) = 3.3246725613 quadrans (biblical roman) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Quadrans (Biblical Roman) to Carat (metric) converter for the reverse conversion.

Written by Sunith Babu L, Ph.D., Lead Engineer Reviewed by Dr. Ashok Kumar K, Ph.D.
Mass and Weight category 2 min read Published Last reviewed Updated

Units explained

Troy & Apothecary

Carat (metric)

What is a carat (metric)?

The metric carat (ct) equals exactly 200 milligrams (0.0002 kg).

Origin of the carat (metric)

From Arabic 'qirat' and Greek 'keration', the carob seed once used as a counterweight.

Where it is used

The worldwide standard for gemstone and diamond mass.

When and where it was developed

The metric carat was fixed at 200 mg internationally in 1907.

Biblical / Ancient

Quadrans (Biblical Roman)

What is a quadrans (biblical roman)?

The quadrans was a quarter of an as, about 0.06 gram in this scale.

Origin of the quadrans (biblical roman)

From Latin 'quadrans', a quarter part.

Where it is used

Roman small change referenced in scripture.

When and where it was developed

A minor Roman bronze denomination.

Carat (metric) to Quadrans (Biblical Roman) 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 quadranses (biblical roman):

1 ct = 3.3246725613 quadrans
1 quadrans = 0.3007815 ct

To convert carats (metric) to quadranses (biblical roman), multiply the value in carats (metric) by 3.3246725613. To reverse, multiply quadranses (biblical roman) by 0.3007815.

How to use this converter

Type a value into the calculator. The result in quadranses (biblical roman) updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Quadrans (Biblical Roman) to Carat (metric) converter for the reverse direction.

Step-by-step: convert carats (metric) to quadranses (biblical roman)

  1. Write down the value in carats (metric) (ct).
  2. Multiply that value by the factor 3.3246725613.
  3. The product is the equivalent value in quadranses (biblical roman) (quadrans).
  4. To reverse, multiply the quadrans (biblical roman) value by 0.3007815.

Worked examples

Example 1 — Convert 1 ct to quadrans:
1 × 3.3246725613 = 3.3246725613 quadrans

Example 2 — Convert 100 ct to quadrans:
100 × 3.3246725613 = 332.4672561311 quadrans

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 × 3.3246725613 = 9.9740176839 quadrans

Real-world example — Plastic-film thickness alternates

A 150-carat (metric) plastic film converts cleanly to quadranses (biblical roman) — useful for packaging buyers reconciling supplier datasheets across metric and US measurement systems.

150 ct × 3.3246725613 = 498.7008841967 quadrans

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 quadranses (biblical roman) for direct comparison across supplier datasheets.

70 ct × 3.3246725613 = 232.7270792918 quadrans

Carat (metric) to Quadrans (Biblical Roman) conversion table

Standard reference values for converting carats (metric) to quadranses (biblical roman):

Carat (metric) [ct]Quadrans (Biblical Roman) [quadrans]
0.010.0332467256
0.10.3324672561
13.3246725613
26.6493451226
39.9740176839
413.2986902452
516.6233628066
1033.2467256131
2066.4934512262
3099.7401768393
40132.9869024524
50166.2336280656
100332.4672561311
5001662.3362806556
10003324.6725613111

Frequently asked questions

How many quadranses (biblical roman) is 1 carat (metric)?
1 carat (metric) equals 3.3246725613 quadrans (biblical roman).
How do I convert carats (metric) to quadranses (biblical roman)?
Multiply the value in carats (metric) by 3.3246725613 to get quadranses (biblical roman).
How do I convert quadranses (biblical roman) back to carats (metric)?
Multiply the value in quadranses (biblical roman) by 0.3007815, or use the Quadrans (Biblical Roman) to Carat (metric) converter.
How many quadranses (biblical roman) is 100 carats (metric)?
100 carats (metric) equals 332.4672561311 quadranses (biblical roman), because 100 × 3.3246725613 = 332.4672561311.

Convert Carat (metric) to other weight units

Show all Carat (metric) 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)
Force / Engineering (5 units)

Sources & references

Conversion factor (1 ct = 3.3246725613 quadrans) verified against the following authoritative sources:

Results are provided for general reference. Verify critical measurements against an authoritative standard.