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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reach: rather globalancient historyculturegemstonesmassunits
carob seed
a drop of lead
handful of sand
swallow's egg
answers
flagthe United Arab Emirates
80%
0%
20%
0%
10
flagItaly
68%
8%
24%
0%
25
flagthe Netherlands
60%
12%
18%
9%
33
flagSwitzerland
58%
8%
33%
0%
12
flagSpain
58%
0%
33%
8%
12
flagUkraine
52%
16%
16%
12%
25
flagGermany
50%
9%
29%
10%
98
flagCzech Republic
50%
0%
33%
16%
12
flagRussia
46%
6%
40%
6%
15
flagthe United States
44%
14%
28%
11%
129
flagFrance
41%
16%
33%
0%
12
flagthe United Kingdom
39%
10%
32%
16%
166
flagGreece
38%
30%
7%
23%
13
flagIndia
36%
9%
45%
9%
22
flagNorway
35%
15%
45%
5%
20
flagPoland
34%
11%
37%
15%
6541
flagCanada
34%
11%
46%
7%
26
flagUnknown
17%
14%
50%
17%
280
flagRepublic of Ireland
16%
8%
52%
24%
25
flagSweden
14%
14%
42%
28%
14