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Technical Information
Equivalents and Conversions |
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Decimal and Millimeter Equivalents |
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DECIMALS |
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MM |
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1 |
0.015625 |
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0.397 |
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64 |
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1 |
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0.031250 |
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0.794 |
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32 |
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3 |
0.046875 |
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1.191 |
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64 |
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1 |
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0.062500 |
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1.588 |
16 |
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5 |
0.078125 |
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1.984 |
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64 |
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3 |
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0.093750 |
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2.381 |
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32 |
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7 |
0.109375 |
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2.778 |
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64 |
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1 |
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0.125000 |
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3.175 |
8 |
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9 |
0.140625 |
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3.572 |
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64 |
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5 |
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0.156250 |
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3.969 |
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32 |
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11 |
0.171875 |
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4.366 |
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64 |
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3 |
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0.187500 |
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4.763 |
16 |
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13 |
0.203125 |
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5.159 |
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64 |
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7 |
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0.218750 |
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5.556 |
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32 |
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15 |
0.234375 |
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5.953 |
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64 |
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1 |
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0.250000 |
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6.350 |
4 |
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17 |
0.265625 |
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6.747 |
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64 |
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9 |
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0.281250 |
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7.144 |
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32 |
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19 |
0.296875 |
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7.541 |
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64 |
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5 |
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0.312500 |
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7.938 |
16 |
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21 |
0.328125 |
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8.334 |
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64 |
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11 |
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0.343750 |
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8.731 |
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32 |
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23 |
0.359375 |
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9.128 |
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64 |
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3 |
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0.375000 |
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9.525 |
8 |
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25 |
0.390625 |
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9.922 |
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64 |
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13 |
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0.406250 |
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10.319 |
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32 |
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27 |
0.421875 |
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10.716 |
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64 |
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7 |
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0.437500 |
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11.113 |
16 |
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29 |
0.453125 |
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11.509 |
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64 |
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15 |
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0.468750 |
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11.906 |
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32 |
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31 |
0.484375 |
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12.303 |
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64 |
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1 |
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0.500000 |
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12.700 |
2 |
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1 mm = .03937” |
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DECIMALS |
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MM |
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33 |
0.515625 |
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13.097 |
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64 |
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17 |
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0.531250 |
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13.494 |
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32 |
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35 |
0.546875 |
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13.891 |
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64 |
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9 |
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0.562500 |
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14.288 |
16 |
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37 |
0.578125 |
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14.684 |
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64 |
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19 |
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0.593750 |
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15.081 |
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32 |
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39 |
0.609375 |
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15.478 |
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64 |
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5 |
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0.625000 |
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15.875 |
8 |
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41 |
0.640625 |
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16.272 |
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64 |
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21 |
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0.656250 |
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16.669 |
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32 |
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43 |
0.671875 |
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17.066 |
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64 |
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11 |
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0.687500 |
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17.463 |
16 |
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45 |
0.703125 |
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17.859 |
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64 |
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23 |
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0.718750 |
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18.256 |
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32 |
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47 |
0.734375 |
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18.653 |
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64 |
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3 |
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0.750000 |
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19.050 |
4 |
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49 |
0.765625 |
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19.447 |
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64 |
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25 |
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0.781250 |
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19.844 |
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32 |
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51 |
0.796875 |
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20.241 |
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64 |
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13 |
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0.812500 |
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20.638 |
16 |
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53 |
0.828125 |
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21.034 |
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64 |
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27 |
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0.843750 |
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21.431 |
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32 |
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55 |
0.859375 |
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21.828 |
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64 |
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7 |
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0.875000 |
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22.225 |
8 |
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57 |
0.890625 |
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22.622 |
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64 |
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29 |
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0.906250 |
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23.019 |
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32 |
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59 |
0.921875 |
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23.416 |
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64 |
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15 |
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0.937500 |
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23.813 |
16 |
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61 |
0.953125 |
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24.209 |
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64 |
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31 |
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0.968750 |
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24.606 |
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32 |
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63 |
0.984375 |
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25.003 |
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64 |
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1 |
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1.000000 |
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25.400 |
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001" = .0254 mm |
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MM |
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IN |
MM |
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IN |
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0.1 |
-- |
0.0039 |
46 |
-- |
1.8110 |
0.2 |
-- |
0.0079 |
47 |
-- |
1.8504 |
0.3 |
-- |
0.0118 |
48 |
-- |
1.8898 |
0.4 |
-- |
0.0157 |
49 |
-- |
1.9291 |
0.5 |
-- |
0.0197 |
50 |
-- |
1.9685 |
0.6 |
-- |
0.0236 |
51 |
-- |
2.0079 |
0.7 |
-- |
0.0276 |
52 |
-- |
2.0472 |
0.8 |
-- |
0.0315 |
53 |
-- |
2.0866 |
0.9 |
-- |
0.0354 |
54 |
-- |
2.1260 |
1 |
-- |
0.0394 |
55 |
-- |
2.1654 |
2 |
-- |
0.0787 |
56 |
-- |
2.2047 |
3 |
-- |
0.1181 |
57 |
-- |
2.2441 |
4 |
-- |
0.1575 |
58 |
-- |
2.2835 |
5 |
-- |
0.1969 |
59 |
-- |
2.3228 |
6 |
-- |
0.2362 |
60 |
-- |
2.3622 |
7 |
-- |
0.2756 |
61 |
-- |
2.4016 |
8 |
-- |
0.3150 |
62 |
-- |
2.4409 |
9 |
-- |
0.3543 |
63 |
-- |
2.4803 |
10 |
-- |
0.3937 |
64 |
-- |
2.5197 |
11 |
-- |
0.4331 |
65 |
-- |
2.5591 |
12 |
-- |
0.4724 |
66 |
-- |
2.5984 |
13 |
-- |
0.5118 |
67 |
-- |
2.6378 |
14 |
-- |
0.5512 |
68 |
-- |
2.6772 |
15 |
-- |
0.5906 |
69 |
-- |
2.7165 |
16 |
-- |
0.6299 |
70 |
-- |
2.7559 |
17 |
-- |
0.6693 |
71 |
-- |
2.7953 |
18 |
-- |
0.7087 |
72 |
-- |
2.8346 |
19 |
-- |
0.7480 |
73 |
-- |
2.8740 |
20 |
-- |
0.7874 |
74 |
-- |
2.9134 |
21 |
-- |
0.8268 |
75 |
-- |
2.9528 |
22 |
-- |
0.8661 |
76 |
-- |
2.9921 |
23 |
-- |
0.9055 |
77 |
-- |
3.0315 |
24 |
-- |
0.9449 |
78 |
-- |
3.0709 |
25 |
-- |
0.9843 |
79 |
-- |
3.1102 |
26 |
-- |
1.0236 |
80 |
-- |
3.1496 |
27 |
-- |
1.0630 |
81 |
-- |
3.1890 |
28 |
-- |
1.1024 |
82 |
-- |
3.2283 |
29 |
-- |
1.1417 |
83 |
-- |
3.2677 |
30 |
-- |
1.1811 |
84 |
-- |
3.3071 |
31 |
-- |
1.2205 |
85 |
-- |
3.3465 |
32 |
-- |
1.2598 |
86 |
-- |
3.3858 |
33 |
-- |
1.2992 |
87 |
-- |
3.4252 |
34 |
-- |
1.3386 |
88 |
-- |
3.4646 |
35 |
-- |
1.3780 |
89 |
-- |
3.5039 |
36 |
-- |
1.4173 |
90 |
-- |
3.5433 |
37 |
-- |
1.4567 |
91 |
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3.5827 |
38 |
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1.4961 |
92 |
-- |
3.6220 |
39 |
-- |
1.5354 |
93 |
-- |
3.6614 |
40 |
-- |
1.5748 |
94 |
-- |
3.7008 |
41 |
-- |
1.6142 |
95 |
-- |
3.7402 |
42 |
-- |
1.6535 |
96 |
-- |
3.7795 |
43 |
-- |
1.6929 |
97 |
-- |
3.8189 |
44 |
-- |
1.7323 |
98 |
-- |
3.8583 |
45 |
-- |
1.7717 |
99 |
-- |
3.8976 |
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100 |
-- |
3.9370 |
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> To Top |
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Metric System/Length |
Unit |
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Metric Equivalent |
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US Equivalent |
millimeter |
(mm) |
= |
0.001 |
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meter |
= |
0.03937
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inch |
centimeter |
(cm) |
= |
0.01 |
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meter |
= |
0.3937 |
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inch |
decimeter |
(dm) |
= |
0.1 |
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meter |
= |
3.937 |
|
inches |
METER |
(m) |
= |
1 |
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meter |
= |
39.37 |
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inches |
dekameter |
(dkm) |
= |
10.0 |
|
meters |
= |
10.93 |
|
yards |
hectometer |
(hm) |
= |
100.0 |
|
meters |
= |
328.08 |
|
feet |
kilometer |
(km) |
= |
1000.0 |
|
meters |
= |
0.6214 |
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mile |
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Metric System/Weight or Mass |
Unit |
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Metric Equivalent |
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US Equivalent |
milligram |
(mg) |
= |
0.001 |
 |
gram |
= |
0.0154
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grain |
centigram |
(cg) |
= |
0.01 |
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gram |
= |
0.1543 |
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grain |
decigram |
(dg) |
= |
0.1 |
|
gram |
= |
1.543 |
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grains |
GRAM |
(g) |
= |
1 |
|
gram |
= |
15.43 |
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grains |
dekagram |
(dkg) |
= |
10.0 |
|
grams |
= |
0.3527 |
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ounce avoirdupois |
hectogram |
(hg) |
= |
100.0 |
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grams |
= |
3.527 |
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ounces avoirdupois |
kilogram |
(kg) |
= |
1000.0 |
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grams |
= |
2.2 |
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pounds avoirdupois |
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Metric System/Capacity |
Unit |
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Metric Equivalent |
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US Equivalent |
milliliter |
(ml) |
= |
0.001 |
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liter |
= |
0.0034
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fluid ounce |
centiliter |
(cl) |
= |
0.01 |
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liter |
= |
0.338 |
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fluid ounce |
deciliter |
(dl) |
= |
0.1 |
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liter |
= |
3.38 |
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fluid ounces |
LITER |
(l) |
= |
1 |
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liter |
= |
1.05 |
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liquid quarts |
dekaliter |
(dkl) |
= |
10.0 |
|
liters |
= |
0.284 |
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bushel |
hectoliter |
(hl) |
= |
100.0 |
|
liters |
= |
2.837 |
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bushels |
kiloliter |
(kl) |
= |
1000.0 |
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liters |
= |
264.18 |
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gallon |
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Metric System/Area |
Unit |
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Metric Equivalent |
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US Equivalent |
square millimeter |
(mm2) |
= |
0.000001 |
 |
centare |
= |
0.00155
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square inch |
square centimeter |
(cm2) |
= |
0.0001 |
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centare |
= |
0.155 |
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square inch |
square decimeter |
(dm2) |
= |
0.01 |
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centare |
= |
15.5 |
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square inches |
CENTARE, also |
(ca) |
= |
1.0 |
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centare |
= |
10.76 |
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square feet |
square meter |
(m2) |
are, also |
(a) |
= |
100.0 |
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centares |
= |
0.0247 |
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acre |
square dekameter |
(dkm2) |
hectare, also |
(ha) |
= |
10,000.0 |
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centares |
= |
2.47 |
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acres |
square hectometer |
(hm2) |
square kilometer |
(km2) |
= |
1,000,000.0 |
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centares |
= |
0.386 |
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square mile |
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Metric System/Volume |
Unit |
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Metric Equivalent |
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US Equivalent |
cubic millimeter |
(mm3) |
= |
0.001 |
 |
cubic centimeter |
= |
0.016
|
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minim |
cubic centimeter |
(cc, cm3) |
= |
0.001 |
|
cubic decimeter |
= |
0.061 |
|
cubic inch |
cubic decimeter |
(dm3) |
= |
0.001 |
|
cubic meter |
= |
61.023 |
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cubic inches |
STERE, also |
(s) |
= |
1.0 |
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cubic meter |
= |
1.308 |
|
cubic yards |
cubic meter |
(m3) |
cubic dekameter |
(dkm3) |
= |
1000.0 |
|
cubic meters |
= |
1307.943 |
|
cubic yards |
cubic hectometer |
(hm3) |
= |
1,000,000.0 |
|
cubic meters |
= |
1,307,942.8 |
|
cubic yards |
cubic kilometer |
(km3) |
= |
1,000,000,000.0 |
|
cubic meters |
= |
0.25 |
|
cubic mile |
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Pressure |
Unit |
Atm. |
kg/cm2 |
lb/in2 |
bar |
mm Hg.
(0°C) |
in. Hg.
(32°F) |
ft. H2O
(60°F) |
1 Atmosphere |
1* |
1.033228 |
14.6959 |
1.013250 |
760* |
29.921 |
33.934 |
1 kg./cm2 |
0.967841 |
1* |
14.2233 |
0.980665* |
735.559 |
28.959 |
32.843 |
10 lb./in.2 |
0.68046 |
0.70307 |
10* |
0.689476 |
517.149 |
20.360 |
23.091 |
1 bar |
0.986923 |
1.019716 |
14.5038 |
1* |
750.062 |
29.530 |
33.490 |
1 meter Hg. (0°C)
|
1.31579 |
1.35951 |
19.3368 |
1.333224 |
1000* |
39.370 |
44.65 |
10 in. Hg. (32°F)
|
0.33421 |
0.34532 |
4.9115 |
0.33864 |
254* |
10* |
11.341 |
100 ft. H20 (60°F) |
2.9469 |
3.0448 |
43.308 |
2.9859 |
2239.6 |
88.175 |
100* |
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1 inch of Hg (mercury) = 13.6 inch H20
1 PSI = 2.31 inches of H20 |
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Conversion Table
1 Btu = 251.996 international calories |
Multiply
Number of... |
By... |
To Obtain... |
British thermal
units |
778.3 |
Foot-pounds |
3.929 x 10-4 |
Horsepower-hours |
2.930 x 10-4 |
Kilowatt-hours |
.2930 |
Watts-hours |
Foot-pounds |
1.285 x 10-3 |
British thermal units |
5.05 x 10-7 |
Horsepower-hours |
3.766 x 10-7 |
Kilowatt-hours |
3.766 x 10-4 |
Watts-hours |
Horsepower-hours |
2545 |
British thermal units |
1.98 x 104 |
Foot-pounds |
.7457 |
Kilowatt-hours |
745.7 |
Watts-hours |
Kilowatt-hours |
3413 |
British thermal units |
2.655 x 106 |
Foot-pounds |
1.341 |
Horsepower-hours |
1000 |
Watts-hours |
Watt-hours |
3.413 |
British thermal units |
2655 |
Foot-pounds |
1.341 x 10-3 |
Horsepower-hours |
.001 |
Kilowatt-hours |
|
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Conversion Factors |
Length |
Weight |
1 in. = 2.54 cm |
1 kg. = 2.205 lb. |
1 ft. = .3048 m |
|
1 yd. = .9144 m |
Volume |
1 m = 39.37 in. |
1 cu. in. = 16.39 cm3 |
|
1 cu. ft. = .02832 m3 |
Area |
1 cu. ft. = 62.43 lb. water |
1 sq. in. = 6.452 cm2 |
1 cu. ft. = 7.5 gal water |
1 sq. ft. = .0929 m2 |
1 cu. ft. = 28.32 liters |
|
1 U.S. gal = .1337 cu. ft. |
Horsepower |
1 U.S. gal = 231 cu. in. |
1 hp. = .746 kW |
1 U.S. gal = 8.345 lb. water |
1 boiler hp. = 9.8 kW |
1 U.S.gal = 3.785 liters |
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Natural Gas Equivalent
One therm. = 1,000,000 BTU
One cu. ft. of gas = 1040 BTU (range 1020 - 1055)
One Therm (Rounding off) = 100 cu. ft. gas
One MCF = 1,040,000 BTU |
Multiply
Number of... |
By... |
To Obtain... |
bar |
.987 |
Atmosphere |
bar |
100,000 |
Pascal |
barrel (42 US gal.) |
.159 |
Cu. meters |
calorie |
4.184 |
Joule |
Joule |
.00095 |
BTU |
Kilojoule |
3,600 |
Kilowatt-hours |
Kilograms/sq. cm. |
14.2 |
Pounds/sq. in. |
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