# USC System **Namespace:** `mp_units::usc` **Module:** `mp_units.systems` **Header:** `` ## Units | Unit Name | Symbol | unit_symbol | Definition | |-----------|:------:|:-----------:|------------| | acre | acre | `acre` | mag<10> * square([survey1893::chain](usc.md#survey1893-chain)) | | barrel | bbl | `bbl` | mag_ratio<315, 10> * [gallon](#gallon) | | bushel | bu | `bu` | mag_ratio<3'523'907'016'688, 100'000'000'000> * [si::litre](si.md#litre) | | cable | cb(us) | `cb` | mag<120> * [yard_pound::fathom](yard_pound.md#fathom) | | chain | ch | `ch` | mag<4> * [rod](#survey1893-rod) | | cup | c | `c` | mag_ratio<1, 2> * [pint](#pint) | | degree_Fahrenheit | ℉ (\`F) | `deg_F` | [rankine](#rankine)
origin: [zeroth_degree_Fahrenheit](#zeroth_degree_Fahrenheit) | | dry_barrel | bbl | `dry_bbl` | mag<7056> * cubic([yard_pound::inch](yard_pound.md#inch)) | | dry_gallon | gal | `dry_gal` | mag_ratio<1, 2> * [peck](#peck) | | dry_pint | pt | `dry_pt` | mag_ratio<1, 2> * [dry_quart](#dry_quart) | | dry_quart | qt | `dry_qt` | mag_ratio<1, 4> * [dry_gallon](#dry_gallon) | | fluid_dram | fl dr | `fl_dr` | mag<60> * [minim](#minim) | | fluid_ounce | fl oz | `fl_oz` | mag_ratio<1, 4> * [gill](#gill) | | furlong | fur | `fur` | mag<10> * [chain](#survey1893-chain) | | gallon | gal | `gal` | mag<231> * cubic([yard_pound::inch](yard_pound.md#inch)) | | gill | gi | `gi` | mag_ratio<1, 2> * [cup](#cup) | | hogshead | hogshead | — | mag<63> * [gallon](#gallon) | | inch_of_mercury | inHg | `inHg` | mag_ratio<3'386'389, 1'000> * [si::pascal](si.md#pascal) | | link | li | `li` | mag_ratio<33, 50> * [yard_pound::foot](yard_pound.md#foot) | | minim | min | `min` | mag_ratio<1, 80> * [teaspoon](#teaspoon) | | oil_barrel | bbl | — | mag_ratio<4, 3> * [barrel](#barrel) | | peck | pk | `pk` | mag_ratio<1, 4> * [bushel](#bushel) | | pennyweight | dwt | `dwt` | mag<24> * [yard_pound::grain](yard_pound.md#grain) | | pint | pt | `pt` | mag_ratio<1, 2> * [quart](#quart) | | pottle | pot | `pot` | mag_ratio<1, 2> * [gallon](#gallon) | | quart | qt | `qt` | mag_ratio<1, 2> * [pottle](#pottle) | | quarter | qr | `qr` | mag<25> * [yard_pound::pound](yard_pound.md#pound) | | rankine | °R (\`R) | — | mag_ratio<5, 9> * [si::kelvin](si.md#kelvin)
origin: [zeroth_rankine](#zeroth_rankine) | | rod | rd | `rd` | mag<25> * [link](#survey1893-link) | | section | section | `section` | mag<640> * [acre](#acre) | | short_hundredweight | cwt | `cwt` | mag<100> * [yard_pound::pound](yard_pound.md#pound) | | short_ton | — | — | alias to [ton](#ton) | | shot | jig | `jig` | mag<3> * [tablespoon](#tablespoon) | | survey1893::chain | ch | — | mag<4> * [survey1893::rod](usc.md#survey1893-rod) | | survey1893::furlong | fur | — | mag<10> * [survey1893::chain](usc.md#survey1893-chain) | | survey1893::league | lea | — | mag<3> * [survey1893::us_survey_mile](usc.md#survey1893-us_survey_mile) | | survey1893::link | li | — | mag_ratio<33, 50> * [survey1893::us_survey_foot](usc.md#survey1893-us_survey_foot) | | survey1893::rod | rd | — | mag<25> * [survey1893::link](usc.md#survey1893-link) | | survey1893::us_survey_foot | ft(us) | — | mag_ratio<1'200, 3'937> * [si::metre](si.md#metre) | | survey1893::us_survey_mile | mi(us) | — | mag<8> * [survey1893::furlong](usc.md#survey1893-furlong) | | tablespoon | tbsp | `tbsp` | mag_ratio<1, 2> * [fluid_ounce](#fluid_ounce) | | teaspoon | tsp | `tsp` | mag_ratio<1, 3> * [tablespoon](#tablespoon) | | ton | t | `t` | mag<2'000> * [yard_pound::pound](yard_pound.md#pound) | | troy_once | oz t | `oz_t` | mag<20> * [pennyweight](#pennyweight) | | troy_pound | lb t | `lb_t` | mag<12> * [troy_once](#troy_once) | ## Point Origins | Name | Type | Definition | |------|:----:|------------| | `zeroth_degree_Fahrenheit` | relative | ::mp_units::point<[si::milli](si.md#milli)<[rankine](#rankine)>>(459'670) | | `zeroth_rankine` | — | alias to [si::zeroth_kelvin](si.md#zeroth_kelvin) |