Convert grams to milligrams
Gram
Definición
A gram (symbol: g) is an SI unit of mass equal to one-thousandth of a kilogram, the SI’s base mass unit. Since 2019, the kilogram—and thus the gram—is defined via Planck’s constant (h = 6.62607015 × 10⁻³⁴ J·s) alongside the metre and second, ensuring exact, artifact-free measurements.
Orígenes
The term “gram” comes from the Late Latin gramma, itself borrowed from Greek, meaning “small weight.” In the late 18th century, one gram was linked to the mass of one cubic centimetre of pure water at 4 °C. When the SI adopted the kilogram as its base, the gram was simply redefined as exactly 0.001 kg.
Uso moderno
Grams are everywhere—in kitchens for spices and recipe ingredients, on nutrition labels (per 100 g), in laboratories for chemical measurements, and on retail packaging globally.
Milligram
Definición
A milligram (symbol: mg) is one-thousandth of a gram, or one-millionth of a kilogram (1 mg = 0.001 g = 0.000001 kg). It uses the “milli-” SI prefix to denote this submultiple of the base unit.
Orígenes
Built on the SI’s kilogram standard, the milligram inherits its precision. The “milli-” prefix has been part of the metric framework since the system’s inception, indicating a factor of 10⁻³ relative to the gram.
Uso moderno
Milligrams are crucial wherever tiny masses matter—pharmaceutical dosages, vitamin supplements, laboratory reagents, and precision industrial components.
Gram → Milligram Conversion Table
Grams (g) | Milligrams (mg) |
---|---|
0.01 | 10 |
0.1 | 100 |
1 | 1 000 |
2 | 2 000 |
3 | 3 000 |
5 | 5 000 |
10 | 10 000 |
20 | 20 000 |
50 | 50 000 |
100 | 100 000 |
1000 | 1 000 000 |
Cómo convertir
1 g = 1 000 mg
1 mg = 0.001 g
Ejemplo
Convert 15 g to milligrams:
15 g × 1 000 = 15 000 mg
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