Weed Calculator · Price per unit

Weed Weight Converter

Convert a weight across standard units. The calculator uses an exact avoirdupois ounce; the reference table also shows common rounded amounts.

Convert weight

Common gram amounts

Grams
3.5 g
Milligrams
3,500 mg
Ounces
0.123459 oz
Pounds
0.007716 lb
Kilograms
0.0035 kg

How many grams are in an eighth?

An eighth is commonly rounded to 3.5 g. One exact eighth of an avoirdupois ounce is about 3.54369 g. The difference comes from rounding an ounce to 28 g for common size labels.

Ounce fractionCommon rounded weightExact weight
⅛ ounce (eighth)3.5 g3.54369 g
¼ ounce (quarter)7 g7.08738 g
½ ounce (half)14 g14.17476 g
1 ounce28 g28.34952 g

The converter uses 28.349523125 g per ounce. The rounded column reflects common naming conventions and is not the exact ounce conversion.

Weight conversion questions

How many grams are in an eighth?

Common references round an eighth to 3.5 g. Exactly, one eighth of 28.349523125 g is about 3.54369 g.

How many grams are in a quarter ounce?

A quarter ounce is commonly rounded to 7 g. Its exact avoirdupois conversion is about 7.08738 g.

Does the converter show prices?

No. It converts only the amount you enter. Use the price calculator to compare prices per gram from your own figures.