It's both.
Capacity isn't a unit at all. It's a characteristic, or a property of an item, which can be measured in whatever suitable unit. Capacity of batteries is measured in amp hours. Capacity of a gas tank can come in either liters or gallons.
Definition of Customary System of MeasurementThe Customary System of Measurement is derived from the earlier English system of measurement.More about Customary System of MeasurementIn customary measurement system length, capacity, weight, and temperature are measured. Units for length: inches, feet, yards, and milesUnits for capacity: cups, pints, quarts, and gallonsUnits for weight: ounces, pounds, and tonsUnits for temperature: degrees FahrenheitExamples of Customary System of MeasurementThe customary unit that is used to measure the weight of a pack of potato chips is ounce.The customary unit that is used to measure the quantity of water in a tank is gallon.Solved Example on Customary System of MeasurementWhich one of these is a reasonable customary unit to measure the height of a horse?Choices:A. centimeterB. literC. footD. gramCorrect Answer: CSolution:Step 1: A foot is the customary unit used to measure the height of a horse.Related Terms for Customary System of MeasurementCapacityEnglish SystemLengthMeasureTemperatureWeight
For most of the world, it's probably in Liter, a standard unit to measure capacity or space or volume. In the US, gallon is the stand for fluid capacity, but cubic feet is often used for space capacity.
It is a customary unit.
It's both.
Ounces
2 qt = pt
Pint.
yards, feet
Probably the cubic megaparsec.
ounces pints, quarts and gallons
fluid ounce
My mom
When relating to insurance payments, customary and usual are average charges for a certain procedure. For instance, if it is customary and usual for a doctor to charge $1,000 for a medical procedure, that is what the insurance payment is based on. It does not matter if the doctor charges more than that amount.
Gallon
No a quart is a customary measurement for the capacity of liquid as where a Kilometer is a metric measurement for length