View source for Conversion Tables and Charts

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<big><big>Division E - General Information</big></big>
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<big><big><big><big><big><big>Conversion Tables and Charts</big></big></big></big></big></big>

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===Roofing Slopes===
:<table cellspacing="0" cellpadding="2" border=1>
 <tr>
  <th colspan="7" align="center" nowrap>Fall/Run</th>
 </tr>
 <tr>
  <th nowrap>Slope Ratio</th>
  <th nowrap>Inch / Foot</th>
  <th nowrap>mm / m </th>
  <th nowrap>Percentage</th>
  <th colspan="3" nowrap>Slope Angle</th>
 </tr>
 <tr>
  <th nowrap></th>
  <th nowrap></th>
  <th nowrap></th>
  <th nowrap></th>
  <th colspan="3" nowrap>Degrees / Minutes</th>
 </tr>
 <tr>
  <td nowrap>1:1</td>
  <td nowrap>12&quot; in 12&quot;</td>
  <td nowrap>1000.0</td>
  <td nowrap>100.0</td>
  <td align="center" nowrap>45</td>
  <td align="center" nowrap>-</td>
  <td align="center" nowrap>00</td>
 </tr>
 <tr>
  <td nowrap>1:2</td>
  <td nowrap>6&quot; in 12&quot;</td>
  <td nowrap>500.0</td>
  <td nowrap>50.0</td>
  <td align="center" nowrap>26</td>
  <td align="center" nowrap>-</td>
  <td align="center" nowrap>34</td>
 </tr>
 <tr>
  <td nowrap>1:3</td>
  <td nowrap>4&quot; in 12&quot;</td>
  <td nowrap>333.3</td>
  <td nowrap>33.3</td>
  <td align="center" nowrap>18</td>
  <td align="center" nowrap>-</td>
  <td align="center" nowrap>26</td>
 </tr>
 <tr>
  <td nowrap>1:4</td>
  <td nowrap>3&quot; in 12&quot;</td>
  <td nowrap>250.0</td>
  <td nowrap>25.0</td>
  <td align="center" nowrap>14</td>
  <td align="center" nowrap>-</td>
  <td align="center" nowrap>02</td>
 </tr>
 <tr>
  <td nowrap>1:5</td>
  <td nowrap>--</td>
  <td nowrap>200.0</td>
  <td nowrap>20.0</td>
  <td align="center" nowrap>11</td>
  <td align="center" nowrap>-</td>
  <td align="center" nowrap>19</td>
 </tr>
 <tr>
  <td nowrap>1:6</td>
  <td nowrap>2&quot; in 12&quot;</td>
  <td nowrap>166.7</td>
  <td nowrap>16.7</td>
  <td align="center" nowrap>9</td>
  <td align="center" nowrap>-</td>
  <td align="center" nowrap>28</td>
 </tr>
 <tr>
  <td nowrap>1:7</td>
  <td nowrap>--</td>
  <td nowrap>142.9 </td>
  <td nowrap>14.29</td>
  <td align="center" nowrap>8</td>
  <td align="center" nowrap>-</td>
  <td align="center" nowrap>08</td>
 </tr>
 <tr>
  <td nowrap>1:8</td>
  <td nowrap>1-1/2&quot; in 12&quot;</td>
  <td nowrap>125.0</td>
  <td nowrap>12.5</td>
  <td align="center" nowrap>7</td>
  <td align="center" nowrap>-</td>
  <td align="center" nowrap>08</td>
 </tr>
 <tr>
  <td nowrap>1:9</td>
  <td nowrap>--</td>
  <td nowrap>111.1</td>
  <td nowrap>11.1</td>
  <td align="center" nowrap>6</td>
  <td align="center" nowrap>-</td>
  <td align="center" nowrap>20</td>
 </tr>
 <tr>
  <td nowrap>1:10</td>
  <td nowrap>1-1/2&quot; in 12&quot;*</td>
  <td nowrap>100.0</td>
  <td nowrap>10.0</td>
  <td align="center" nowrap>5</td>
  <td align="center" nowrap>-</td>
  <td align="center" nowrap>43</td>
 </tr>
 <tr>
  <td nowrap>1:11</td>
  <td nowrap>--</td>
  <td nowrap>90.9</td>
  <td nowrap>9.09</td>
  <td align="center" nowrap>5</td>
  <td align="center" nowrap>-</td>
  <td align="center" nowrap>12</td>
 </tr>
 <tr>
  <td nowrap>1:12</td>
  <td nowrap>1&quot; in 12&quot;</td>
  <td nowrap>83.0</td>
  <td nowrap>8.3</td>
  <td align="center" nowrap>4</td>
  <td align="center" nowrap>-</td>
  <td align="center" nowrap>46</td>
 </tr>
 <tr>
  <td nowrap>1:13</td>
  <td nowrap>--</td>
  <td nowrap>76.9</td>
  <td nowrap>7.69</td>
  <td align="center" nowrap>4</td>
  <td align="center" nowrap>-</td>
  <td align="center" nowrap>24</td>
 </tr>
 <tr>
  <td nowrap>1:14</td>
  <td nowrap>--</td>
  <td nowrap>71.4</td>
  <td nowrap>7.14</td>
  <td align="center" nowrap>4</td>
  <td align="center" nowrap>-</td>
  <td align="center" nowrap>05</td>
 </tr>
 <tr>
  <td nowrap>1:15</td>
  <td nowrap>3/4&quot; in 12&quot;*</td>
  <td nowrap>67.0</td>
  <td nowrap>6.7</td>
  <td align="center" nowrap>3</td>
  <td align="center" nowrap>-</td>
  <td align="center" nowrap>49</td>
 </tr>
 <tr>
  <td nowrap>1:20</td>
  <td nowrap>5/8&quot; in 12&quot;*</td>
  <td nowrap>50.0</td>
  <td nowrap>5.0</td>
  <td align="center" nowrap>2</td>
  <td align="center" nowrap>-</td>
  <td align="center" nowrap>52</td>
 </tr>
 <tr>
  <td nowrap>1:25</td>
  <td nowrap>1/2&quot; in 12&quot;*</td>
  <td nowrap>40.0</td>
  <td nowrap>4.0</td>
  <td align="center" nowrap>2</td>
  <td align="center" nowrap>-</td>
  <td align="center" nowrap>17</td>
 </tr>
 <tr>
  <td nowrap>1:30</td>
  <td nowrap>--</td>
  <td nowrap>33.3</td>
  <td nowrap>3.33</td>
  <td align="center" nowrap>1</td>
  <td align="center" nowrap>-</td>
  <td align="center" nowrap>55</td>
 </tr>
 <tr>
  <td nowrap>1:40</td>
  <td nowrap>--</td>
  <td nowrap>25.0</td>
  <td nowrap>2.5</td>
  <td align="center" nowrap>1</td>
  <td align="center" nowrap>-</td>
  <td align="center" nowrap>26</td>
 </tr>
 <tr>
  <td nowrap>1:50</td>
  <td nowrap>1/4&quot; in 12&quot;*</td>
  <td nowrap>20.0</td>
  <td nowrap>2.0</td>
  <td align="center" nowrap>1</td>
  <td align="center" nowrap>-</td>
  <td align="center" nowrap>09</td>
 </tr>
 <tr>
  <td nowrap>1:60</td>
  <td nowrap>--</td>
  <td nowrap>16.7</td>
  <td nowrap>1.67</td>
  <td align="center" nowrap>0</td>
  <td align="center" nowrap>-</td>
  <td align="center" nowrap>57</td>
 </tr>
 <tr>
  <td nowrap>1:80</td>
  <td nowrap>--</td>
  <td nowrap>12.5</td>
  <td nowrap>1.25</td>
  <td align="center" nowrap>0</td>
  <td align="center" nowrap>-</td>
  <td align="center" nowrap>43</td>
 </tr>
 <tr>
  <td nowrap>1:100</td>
  <td nowrap>1/8&quot; in 12&quot;*</td>
  <td nowrap>10.0</td>
  <td nowrap>1.0</td>
  <td align="center" nowrap>0</td>
  <td align="center" nowrap>-</td>
  <td align="center" nowrap>34</td>
 </tr>
 <tr>
  <td nowrap></td>
  <td nowrap>* (Nominal)</td>
  <td nowrap></td>
  <td nowrap></td>
  <td nowrap></td>
  <td nowrap></td>
  <td nowrap></td>
 </tr>
</table>

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===Imperial/Metric Conversions===
{| class="wikitable" style="text-align: left; margin-left: 20pt; margin-right: auto; border: none;"
|+ <small>Commonly used length measurements</small>
|-
! Imperial (inches) !! Metric (mm)
|-
| 1/16 || 1.59
|-
| 3/32 || 2.38
|-
| 1/8 || 3.78
|-
| 3/16 || 4.76
|-
| 1/4 || 6.35
|-
| 3/8 || 9.53
|-
| 1/2 || 12.70
|-
| 5/8 || 15.88
|-
| 3/4 || 19.05
|-
| 7/8 || 22.23
|-
| 1 || 25.40
|-
| 1-1/2 || 38.10
|-
| 2 || 50.80
|-
| 2-1/2 || 63.50
|-
| 3 || 76.20
|-
| 3-1/2 || 88.9
|-
| 4 || 101.60
|-
| 5 || 127.00
|-
| 6 || 152.40
|-
| 7 || 177.80
|-
| 8 || 203.20
|-
| 9 || 228.60
|-
| 10 || 254.00
|-
| 12 || 304.80
|-
| 16 || 406.40
|-
| 24 || 609.60
|-
| 36 || 914.40
|-
| 48 || 1219.20
|-
| 60 || 1524.00
|-
| 72 || 1828.80
|-
| 96 || 2438.40
|-
| 120 || 3048.00
|}

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