imperial system
Miles over kilometers
The imperial system is a collection of units for measuring length, weight, and volume—feet, pounds, gallons, and their relatives.
It developed in Britain and persists in the United States, where it's often called the customary system.
The metric system has largely displaced it elsewhere: Americans cling to the imperial system while most of the world uses metric.
Weight, strike, or kennel
- ounceOne-sixteenth of a pound
- gallonLiquid volume unit
- yardLinear measure or grounds
- footLeg's lowest part
inch · mile · acre · quart · pint · fluid ounce · cubic inch · square foot
Solid earth fragment
- crownSovereign's ornamental headpiece
- sovereignSupreme in power
- shillingFormer British monetary unit
- penceBritish currency units
barleycorn · rood · hundredweight · quarter · guinea · farthing · groat · perch
Done by convention
- heritageInherited cultural legacy
- legacyWhat's passed down
- conventionalFollowing accepted practices
- establishedFormally set up
time-honored · old-fashioned · habitual · long-standing · standardization · colonial legacy · reluctance · familiarity
Standard of measurement
- CelsiusMetric temperature unit
- kilometersMetric distance units
- litersFluid capacity units
- gramsMetric mass units
centimeters · kilograms · milliliters · conversion chart · calculator · approximation · rounding · equivalent
pound
Weight, strike, or kennel
foot · inch · mile · acre · quart · pint · fluid ounce · cubic inch · square foot · ton
stone
Solid earth fragment
pence · barleycorn · rood · hundredweight · quarter · guinea · farthing · groat · perch · nail
customary
Done by convention
- heritageInherited cultural legacy
- legacyWhat's passed down
- conventionalFollowing accepted practices
established · time-honored · old-fashioned · habitual · long-standing · standardization · colonial legacy · reluctance · familiarity · intuitive
metric
Standard of measurement
- CelsiusMetric temperature unit
- kilometersMetric distance units
- litersFluid capacity units
grams · centimeters · kilograms · milliliters · conversion chart · calculator · approximation · rounding · equivalent · formula
imperial systemmetric system
Decimal-based measurement standard
SI units · decimal system · international standards · international standard
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