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| OFFICIAL
Standards |
Measurement | Standard
Units distance weight time temp. |
| AREA |
Year |
. |
TEMPERATURE |
Year |
. |
WEIGHT |
Year |
| Acre
-4840 sq yd |
1878 |
. |
Fahrenheit |
1714 |
. |
Pound |
. |
| Section |
. |
. |
Celsius |
1742 |
. |
Libra
-Rome |
00 |
| rood
- 10890 sq' |
. |
. |
Kelvin |
1848 |
. |
12
unica ounces/Libra |
00 |
| . |
. |
. |
Wind
Chill Factor |
1941 |
. |
Troy
-FR |
1000 |
| DISTANCE
LENGTH |
Year |
. |
Absolute
Zero |
45 |
. |
12
Troy ounces/lb |
00 |
| perch
- 10 ft |
00 |
. |
Super
conductors |
97 |
. |
Avoirdupois
-GB |
1301 |
| Cubit |
. |
. |
. |
. |
. |
16
Avoir ounces/lb |
01 |
| League |
1068 |
. |
. |
. |
. |
Metric |
. |
| Statute
Mile |
68 |
. |
TIME |
Year |
. |
Gram
-FR |
1790 |
| Mile |
68 |
. |
Calendar
Years |
. |
. |
Kilogram |
90 |
| Rod
-5.5 yd |
68 |
. |
Olmec
-360 days |
1200bc |
. |
Ton |
1912 |
| Yard |
68 |
. |
Babylonian |
800bc |
. |
. |
. |
| Chain |
68 |
. |
Mayan
- 365 days |
550
bc |
. |
VOLUME |
Year |
| Furlong
-660 ft |
68 |
. |
Julian
- 365.25 days |
45
bc |
. |
DRY |
. |
| Foot |
68 |
. |
Julian
- 365.25 days |
45
bc |
. |
Bushel
- Winchester |
700 |
| Hand |
68 |
. |
Gregorian
-365.2424 days |
1582 |
. |
8
Win Quarts |
00 |
| Nail |
68 |
. |
Leap
Year |
82 |
. |
16
Win Pints |
00 |
| Inch |
68 |
. |
12
Months -28-31 days |
82 |
. |
56
Avoir lbs |
1500 |
| Nautical
Mile |
68 |
. |
Greenwich
Mean time |
1675 |
. |
1
Gallon |
. |
| Knott |
68 |
. |
Time
Zone -GB |
1847 |
. |
1
Quanta |
. |
| Fathom |
68 |
. |
Daylight
Savings |
1916 |
. |
1
Chaldron |
. |
| Metric
- Old |
. |
. |
US
-Standard Time Act |
18 |
. |
60
minims |
1824 |
| Kilometer |
1793 |
. |
Nautical
T Zone 15ø=1hr |
20 |
. |
8
Drachms |
. |
| Metric
- New |
1837 |
. |
Universal
time 1 |
28 |
. |
. |
. |
| . |
. |
. |
Coordinated
Universal time |
72 |
. |
LIQUID |
. |
| OFFICIAL
GROUPS |
. |
. |
Second |
. |
. |
Gallon
- Winchester |
700 |
| Winchester
Measure -GB |
950 |
. |
Micro
second |
. |
. |
4
quarts |
00 |
| US
Coast & Geodetic Survey |
1807 |
. |
Milli
second |
. |
. |
8
Pints |
00 |
| Imperial
Standards -GB |
55 |
. |
Nano
second |
. |
. |
32
Gills |
00 |
| Metric
system OK -US |
66 |
. |
. |
. |
. |
1
Pint = 32 fluid ounces |
. |
| US
-Weather Bureau |
70 |
. |
. |
. |
. |
Gallon
- Queen Anne |
1700 |
| US
-Mendenhall Order |
93 |
. |
. |
. |
. |
. |
. |
| US
-Nat Weather Srvc |
1967 |
. |
. |
. |
. |
. |
. |
| US
-Nat Oceanic Atmospheric Admin |
70 |
. |
. |
. |
. |
. |
. |
| ANSI
Am Nat Standards Inst. |
76 |
. |
. |
. |
. |
. |
. |
| . |
. |
. |
. |
. |
. |
. |
. |
| LENGTH |
Year |
. |
TIME |
Year |
. |
OFFICIAL |
Year |
| .OFFICIAL
Standards |
Standards: |
Systems: |
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