Machinery's Handbook, 31st Edition
Linear Measure And Conversion Factors Table 1. (Continued) Linear Measure Conversion Factors Table 1. Linear Measure Conversion Factors
2837
360 degrees at the equator = circumference at equator
One degree at the equator = 60 nautical miles 69.047 statute miles 111.098 kilometers One minute at the equator = 1 nautical mile 1.1508 statute miles 1.8516 kilometers
21,600 nautical miles 24,856.8 statute miles 39,995.4 kilometers
Table 2. Circular and Angular Measure Conversion Factors
Circumference of circle =
1 degree ( ° ) = 60 minutes = 3600 seconds = π/ 180 radian = 0.017453 radian 1 minute ( ′ ) = 60 seconds = 0.016667 degree = 0.000291 radian π = 3.141592654
360 degrees = 2 π radian = 6.283185 radian
1 quadrant = 90 degrees = π /2 radians = 1.570796 radians 1 radian = 57.2957795 degrees
Table 3. Feet and Inches to Inches Conversion
0
1
2
3
4
5
6
7
8
9
10
11
Inches →
Inches
Feet ↓
0 1 2 3 4 5 6 7 8
0
1
2
3
4
5
6
7
8
9
10 22 34 46 58 70 82 94
11 23 35 47 59 71 83 95
12 24 36 48 60 72 84 96
13 25 37 49 61 73 85 97
14 26 38 50 62 74 86 98
15 27 39 51 63 75 87
16 28 40 52 64 76 88
17 29 41 53 65 77 89
18 30 42 54 66 78 90
19 31 43 55 67 79 91
20 32 44 56 68 80 92
21 33 45 57 69 81 93
99 100 101 102 103 104 105 106 107
9 108 109 110 111 112 113 114 115 116 117 118 119 10 120 121 122 123 124 125 126 127 128 129 130 131 20 240 241 242 243 244 245 246 247 248 249 250 251 30 360 361 362 363 364 365 366 367 368 369 370 371 40 480 481 482 483 484 485 486 487 488 489 490 491 50 600 601 602 603 604 605 606 607 608 609 610 611 60 720 721 722 723 724 725 726 727 728 729 730 731 70 840 841 842 843 844 845 846 847 848 849 850 851 80 960 961 962 963 964 965 966 967 968 969 970 971 90 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 100 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 Example: A tape measure reads 17 feet 8 inches. How many inches is this? Solution: Read down the first column of Table 3 to find 10 ft 0 inch = 120 inches. Next, find the intersection of the 7 ft row and the 8 inch column to get 92 inches. Add both results to get 120 inches + 92 inches = 212 inches. Table 4. Inches to Feet and Yards Conversion inch feet yard inch feet yard inch feet yard inch feet yard inch feet yard 100 8.3333 2.7778 10 0.8333 0.2778 1 0.0833 0.0278 0.1 0.0083 0.0028 0.01 0.0008 0.0003 200 16.6667 5.5556 20 1.6667 0.5556 2 0.1667 0.0556 0.2 0.0167 0.0056 0.02 0.0017 0.0006 300 25 8.3333 30 2.5 0.8333 3 0.25 0.0833 0.3 0.025 0.0083 0.03 0.0025 0.0008 400 33.3333 11.1111 40 3.3333 1.1111 4 0.3333 0.1111 0.4 0.0333 0.0111 0.04 0.0033 0.0011 500 41.6667 13.8889 50 4.1667 1.3889 5 0.4167 0.1389 0.5 0.0417 0.0139 0.05 0.0042 0.0014 600 50 16.6667 60 5 1.6667 6 0.5 0.1667 0.6 0.05 0.0167 0.06 0.005 0.0017 700 58.3333 19.4444 70 5.8333 1.9444 7 0.5833 0.1944 0.7 0.0583 0.0194 0.07 0.0058 0.0019 800 66.6667 22.2222 80 6.6667 2.2222 8 0.6667 0.2222 0.8 0.0667 0.0222 0.08 0.0067 0.0022 900 75 25.0000 90 7.5 2.5000 9 0.75 0.2500 0.9 0.075 0.0250 0.09 0.0075 0.0025 1000 83.3333 27.7778 100 8.3333 2.7778 10 0.8333 0.2778 1 0.0833 0.0278 0.1 0.0083 0.0028
Copyright 2020, Industrial Press, Inc.
ebooks.industrialpress.com
Made with FlippingBook - Share PDF online