What was used as a unit of mass in the classical times?

carob seed
a drop of lead
handful of sand
swallow's egg
Carat, a unit of mass equal to 200 mg, is derived from a carob seed (Greek kerátion). People commonly believed that the seeds have unusually low variability in mass. Modern research denied this claim.
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Answers by country

carob seed
a drop of lead
handful of sand
swallow's egg
answers
flagFrance
81%
18%
0%
0%
11
flagRepublic of Ireland
60%
10%
20%
10%
10
flagAustralia
56%
8%
20%
16%
25
flagGreece
55%
27%
11%
5%
18
flagBelarus
50%
18%
18%
12%
16
flagAustria
50%
0%
28%
21%
14
flagRussia
44%
11%
32%
9%
52
flagUkraine
41%
8%
31%
18%
86
flagGermany
41%
10%
37%
10%
29
flagthe United Kingdom
40%
11%
37%
8%
61
flagthe United States
39%
13%
33%
13%
122
flagCanada
37%
25%
31%
6%
16
flagIndia
29%
18%
44%
7%
27
flagUnknown
28%
28%
35%
7%
14
flagPoland
27%
13%
40%
17%
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