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It equals 15 mils. But if you are measuring a dry ingredient by tablespoons it is not possible to give a 'weight' you should use, since that will vary according to what you are measuring (since a tablespoon is a measure of volume and grams is a measure of weight). For example a tablespoon of sugar will weigh less than a tablespoon of lead will.
What else can I help you with?
Is a foot customary or metric?
It is a customary unit.
Is a meter customary or metric?
The opposing systems are imperial and metric, not customary. But, meters are metric.
Is a pound metric or customary?
The pound is NOT a metric unit.
Is yards metric or customary?
It is customary.
Is customary more then metric?
It can be more or less. An once (customary) is bigger than a gram (metric) but a pound (customary) is smaller than a kilogram (metric).
Is a liter customary or metric?
Metric.
Is centimeters metric or customary?
Metric.
Is a ton a customary or metric?
Metric
Is ounce a metric or customary unit?
customary
Is foot customary or metric?
It is a customary unit.
Is a gran customary or metric unit?
A "gran" is a German measurement, it is neither customary or metric. A "gram" is a metric unit.
Is inches customary or metric?
I'm guessing by customary, you mean imperial. if so inches are customary/imperial
