The only unit symbol for gram that is recognised by the International System of Units (SI) is "g" following the numeric value with a space, as in "640 g" to stand for "640 grams" in the English language. The SI disallows u… See more

The word gramme was adopted by the French National Convention in its 1795 decree revising the metric system as replacing the gravet (introduced in 1793 simultaneously with a base measure called grave, … See more

The gram is the most widely used unit of measurement for non-liquid ingredients in cooking and grocery shopping worldwide. Liquid ingredients are often measured by volume rather than mass.
Many stand… See more

• 1 gram (g) ≈ 15.43236 grains (gr)
• 1 grain (gr) ≈ 0.0647989 grams
• 1 avoirdupois ounce (oz) ≈ 28.3495 grams
• 1 troy ounce (ozt) = 31.1034768 g (exact, by definition)… See more

• 1 gram is roughly equal to the mass of 1 small paper clip or pen cap.
• The Japanese 1 yen coin has a mass of 1 gram, lighter than the British penny (3.56 g), the United States penny (2.5 g), the Euro cent (2.30 g), and the … See more