Document XzzN4GwodY9pRjzYBYNmLkyXx
160 Am. Soc. of Heat.-Vent. Engineers Guide, 1922
General Data
1 CaJorie .................................................... = 3.968 B.t.-u.
1 B. t. u. ..................................................... = 0.252 .Calorie 1 lb. per sq. in............................................ = 703.08 kilogrammes per m*
1 Kilogramme per m*............................... = 0.00142 lbs. per sq. in.
1 Calorie per m*......................................... = 0.3687 B. t. u. per sq. ft
I B. t. u. per sq. ft.................................. = . 2.712 calories per m3
1 Calorie per m3 per deg difference ) = ( 0.2048 B. t. u. per sq. ft. per deg.
cent. .......................................... . ) = j
difference fahr.
1 B. t. u. per sq. ft. per deg. differ- ' ) = J 4.882 Calories per m* per deg. differ-
ence fahr....................................... J = \
ence cent.
l B. t. u. per lb............... ........................... = 0.556 Calories per kilog.
1 Calorie per kilog. .............................. = 1.8 B. t. u. per lb.
1 Litre of Coke at 26.3 lb. per cu. ft... = 0.93 lbs. ,
I lb. of Coke at 26.3 lb. per cu. ft....... -- 1.076 litres.
Water expands in bulk from 40 deg. to
212 deg......... ........................................ =: One twenty-third.
A cubic inch of
e/cj).>.v.vjd ui?
:.dinary atmospheric pressure is converted
into 1 cubic foot of steam (approxima:
1 cu. in. of Cast Iron........ 1 cu. in. of Wrought Iron 1 cu. in. of Water .......... 1 U. S. gal......................... 1 Imperial gal..................... I U. S. gal......................... 1 Imperial gal..................... . 1 cu. ft. of Water.............. 1 lb. of Steam..................... 1 lb. of Air.........................
Weights
............weighs. weighs.
............weighs. ............weighs. ............weighs. ............equals.. ............equals.. ............equals... ............equals.. ....... equals.
............0.260 lb. ............ 0.280 lb. ............0036 lb. .......8.330 lb. ..........10.000 lb. .231.000 cu. in. . .277.274 cu. in. 7.480 U. S. gal. . .27.222 cu. ft. ..13.817 cu. ft.
Weights and Measures
SURVEYORS MEASURE 7;92 in............................................................................................. 25 links.................................................. 1 rod 4-rods............... 10 sq. chains or 160 sq. rods...................................................... 640 acres................ ................................................................ 36 sq. miles (6 miles sq.)..........................................................
...... 1 link ____ 1 chain ........1 acre .. 1 sq. mile ;l township
1728 cu. in.... 27 cu. ft......... 2150.42 cu. in. 231 cu. in. 1 cu. ft...........
CUBIC MEASURE .
1 cu. ft. 128 cu. ft.............................1 cord (wood) 1 cu. yd. 40 c. f...................................... 1 ton (shpg) ................................................ .......................1 standard bu. ...................................................... ,1 U. S. standard gal. ................................................................about 4/5 of a bu.
METRIC EQUIVALENTS--LINEAR MEASURE
1 decimeter .......... ........ 3.937 in. 1 ft 1 meter ................. ........ 39.37 in.
..... 1.9884 rods 1 kilometer ......... ........ 0.62137 m.
*
1 rd. .................... 1 m.........................
2.54 centimeters 0.328 ft. 3.048 decimeters 1.0936 yards 0.9144 meter 0.5029 dekameter
1.6093 kilometers
Am. Soc. of Heat.-Vent. Engineers Guide, 1922
161
1 sq. centimeter 1 sq. decimeter . 1 sq. meter .... 1 are ................ 1 hectare ........ 1 sq. kilometer .
l gram. ...; 1 kilogram . 1 metric ton
SQUARE MEASURE
0.1550 sq. in. 0.1076 sq. ft. 1.1% sq. yd. 3.954 sq. rods 2.47 acres 0.386 sq.m.
1 sq. in. 1 sq. ft. 1 sq. yd. 1 sq. rd. 1 acre . 1 sq. m.
6.452 sq. centimeters 9.2903 sq. decimeters 0.8361 sq. m'r 0.2529 are 0.4047 hectare 2.59 sq. kilometers
WEIGHTS
0.03527 ounce
2.2046 lbs. 1.1023 English
tons
1 oz........................ 28.35 grams l ib........................ 0.4536 kilogram 1 English ton----- 0.9072 metric ton
1 decimeter ................... 1 meter .......................... 1 kilometer ................... 1 hectare ............1......... 1 stere, or cu. meter___
approximate metric equivalents
4 in. 1.1 yds. 6 of'a mile
254 acres 54 of a cord
1 liter.................... ................................ 1 hektoliter .......... 1 kilogram .......... 1 metric ton........
1.06 qts. liquid 0.9 qt. dry
254 bu. 2Vs lb.
2,200 lb.
troy weight
24 grains .;....................... ................................................................................................ l pwt. 20 pwt..................................................... loz.. 12 oz............ .......................................... lib.
Used for weighing gold, silver and jewels..
apothecaries weight
20 grains .......................................1 scruple 8 drams ... 3 scruples................ .......................1 dram 12 oz............... Ounce and pound are the same as in Troy Weight.
1 oz. 1 lb.
AVOIRDUPOIS WEIGHT
27n/ grains ................................. 1 dram 4 quarters . 16 drams........ ................................... 1 oz. . 2,000 lb 16 oz........................................ ............1 lb. 2,240 lb. ... 25 lb...................1..................... 1 quarter
........1 cwt. 1 short ton . 1 long ton
dry measure
2 pints
.................. ............ l qt. 4 pecks ...
8 qts................................................... l peck 36 bushels .
LIQUID MEASURE .
4 gills.................................................. 1 pt. 31^2 gals. . 2 pts....................................................... 1 qt. 2 barrels . 4 qts..................................................... l gal.
........1 bu. 1 chaldron
. .`...1 bbl. 1 hogshead
LONG MEASURE
12 in. .......................................................1 ft. 40 rods ... 3 ft........................................ ............... 1 yd. 8 furlongs 554 yds.............. ............................... 1 rod 3 miles ...
CLOTH MEASURE
2J4 in. i.............................................. 1 nail . 4 quarters 4 nails ........................................ 1 quarter
.1 furlong 1 sta. mile ... 1 league
1 yard
144 sq. in, .. 9 sq. ft.. .
,3054 sq. yd
SQUARE MEASURE
... 1 sq. ft-. 1. sq. yard ., 1 sq. rod
40 sq. rods 4 roods . . 640 acres ...
... 1 rood ___ 1 acre 1 sq. mile