16 CFR § 500.18
SI metric prefixes
February 12, 2021
The following chart indicates SI prefixes that may be used on a broad range of consumer commodity labels:
Open Table
| Prefix | Symbol | Multiplying factor1 |
|---|---|---|
| Kilo- | k | x 103 |
| Deca- | da | × 10 |
| Deci- | d | × 10−1 |
| Centi- | c | × 10−2 |
| Milli- | m | × 10−3 |
| Micro- | µ | × 10−6 |
1102=100; 103=1000; 10−1=0.1; 10−2=0.01.
Thus, 2 kg=2 × 1000 g=2000 g, and 3 cm=3 × 0.01 m=0.03 m.
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