SAMPLING AND TESTING HIGHWAY MATERIALS. 
95 
69. 
METRIC CONVERSION TABLES 
Length. 
Capacity. 
Mass. 
Inches. 
Millimeters. 
United States 
liquid ounces. 
Cubic centi- 
meters. 
Avoirdupois 
ounces. 
Grams. 
&== 0.0312 
^= .0625 
|= .1250 
i= .2500 
|= .5000 
1 
2 
3 
4 
5 
0. 793S 
1. 5875 
3. 1750 
6. 3500 
12. 7000 
25. 4001 
50. 8001 
76. 2002 
101. 6002 
127. 0003 
1 
29. 574 
59. 147 
SS. 721 
318.295 
147. 869 
177. 442 
207. 016 
236. 590 
266. 163 
473. 18 
1 
2S. 3495 
56. 6991 
85.0186 
113, 3981 
141. 7476 
170. 0972 
198. 4467 
226. 7962 
255. 1457 
453. 59 
2 
2 
3 
3 
4 
4 
6 
6 
7 
7 
8 
8 
9 
9 
16= 1 pt . . . . 
i6=iib 
6 
152. 4003 
32=lqt.... 
946. 36 
0. 3527 
10 
7 
177. 8004 
128=1 gal. .. 
3, 785. 43 
.7055 
20 
8 
203. 2004 
0.3381 
10 
1.0582 
30 
9 
228. 8005 
.6763 
20 
1.4110 
40 
1.01*4 
1.3526... 
30 
40 
1.7637 
2.1164 
50 
60 
Centi- 
1.6y07 
50 
2.4692 
70 
meters. 
2.0288 
60 
2.8219 
80 
2.3670 
2.7051 
70 
3.1747 
90 
80 
3.5270 
100 
0. 3937 
7874 
1=10 mm. 
3.0432 
3.38i0 
90 
100 
35.27 
1,000=1 kilogram. 
1. 1811 
3 
33.81 
1,000=1 
1. 5748 
4 
liter. 
1. 9685 

2. 3622 
6 
2. 7559 
7 
3. 1496 
8 
3. 5433 
9 
70. REFERENCES TO TESTS FOR PAINT AND PAINT MATERIALS, SEWER 
PIPE, DRAIN TILE, AND METALS. 
Determination of Per cent Pigment in Paints (See Page 68). 
Standard Methods for Routine Analysis of White Pigments. 
(Refer to A. S. T. M. Standard Method, Serial Designation: D34-17.) 
Standard Methods for Routine Analysis of Dry Red Lead. 
(Refer to A. S. T. M. Standard Method, Serial Designation: D49-18.) 
Standard Methods for Routine Analysis of Yellow, Orange, Red, and Brown Pigments 
containing Iron and Manganese. 
(Refer to Standard Method, Serial Designation: D50-18.) 
Standard Specifications for Turpentine. 
(Refer to A. S. T. M. Standard, Serial Designation: D13-15.) 
Standard Tests for Paint Thinners other than Turpentine. 
(Refer to A. S. T. M. Standard Method, Serial Designation D28-17.) 
Standard Specifications for Purity of Boiled Linseed Oil from North American Seed. 
(Refer to A. S. T. M. Standard, Serial Designation : Dll-15.) 
Standard Specifications for Purity of Raw Linseed Oil from North American Seed. 
(Refer to A. S. T. M. Standard, Serial Designation: Dl-15.) 
Tentative Specifications for Cement Concrete Sewer Pipe. 
(Refer to A. S. T. M. Tentative Standard, Serial Designation: C14-19T.) 
Standard Specifications for Drain Tile. 
(Refer to A. S. T. M. Standard, Serial Designation: C4-16.) 
Tentative Specifications for Clay Sewer Pipe. 
(Refer to A. S. T. M. Tentative Standard, Serial Designation: C13-18T.) 
Tests for Spelter Coatings on Culvert Metals. 
(See page 68.) 
Standard Specifications for Structural Steel for Bridges. 
(Refer to A. S. T. M. Standard Method, Serial Designation: A7-16.) 
Standard Methods for Chemical Analysis of Plain Carbon Steel. 
(Refer to A. S. T. M. Standard Method, Serial Designation: A33-14.) 
Standard Specifications for Billet Steel Concrete Reinforcement Bars. 
(Refer to A. S. T. M. Standard Method, Serial Designation: A15-14.) 
