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\begin{document}

% Common Conversions:
% 
% lb N kgF
% mm mil
% cm in
% km mi nmi
% mmhg psi pascal

{\footnotesize 
\begin{tabular}{|lcl|l|} \hline
International inch     & \Ee & 2.54cm = 127/50          &  $>1968$ in US+UK                                        \\ \hline
International foot     & \Ee & 30.48cm = 762/25         &  $>1968$ in US+UK                                        \\ \hline
US survey foot         & \Ee & 1200/3937m               &  $>1866$ in US                                           \\ \hline
angstrom (A)           & \Ee & 0.1nm                    &                                                          \\ \hline
International pound    & \Ee & $453.592\,37$gm          &                                                          \\ \hline    
troy pound             & \Ae & $373.241\,7216$gm        &                                                          \\ \hline    
metric carat           & \Ee & 200mg                    & $>1907$ world wide                                       \\ \hline
US Gallon (wet)        & \Ae & $3.785\,411\,784$L       & \Ae 8.3lb \water, \Ee231 international\_inches$^3$       \\ \hline
US Gallon (dry)        & \Ae & $4.404\,76$L             &                                                          \\ \hline
UK Gallon (avoir)      & \Ee & $4.546\,09$L             & \Ae 10lb \water, \Ae277.42 international\_inches$^3$     \\ \hline
US barrel oil          & \Ee & 42 US Gallons            &                                                          \\ \hline 
US barrel              & \Ee & 31.5 US Gallonss         &                                                          \\ \hline
Btu$_\mathrm{IT}$      & \Ee & $1\,055.055\,852\,62$J   & International Table                                      \\ \hline
\end{tabular}
}

{\footnotesize 
\begin{tabular}{|c|c|c|c|c|c|c|c|c|c|c|c|c|c|c|} \hline
\multicolumn{15}{|c|}{Traditional (US/CA/UK/International) Length Ratios} \\ \hline
mile   & furlong & chain & rod    & fathom  & yard    & foot     & finger  & hand    & palm     & nail    & inch    & barleycorn & digit   & mil    \\ \hline
1      & 8       & 80    & 320    & 880     & 1760    & 5280     &         &         &          &         &         &            &         &        \\ \hline
\F{18} & 1       & 10    & 40     & 110     & 220     & 660      & 1760    & 1980    & 3300     & 3520    & 7920    & 2640       & 10560   &        \\ \hline
       &         & 1     & 4      & 11      & 22      & 66       & 176     & 198     & 330      & 352     & 792     & 264        & 1056    &        \\ \hline
       &         & \F{14}& 1      & 2\F{34} & 5\F{12} & 16\F{12} & 44      & 49\F{12}& 82\F{12} & 88      & 198     & 66         & 264     &        \\ \hline
       &         &       & \F{12} & 1       & 2       & 6        & 16      & 18      & 30       & 32      & 72      & 24         & 96      & 7200   \\ \hline
       &         &       & \F{14} & \F{12}  & 1       & 3        & 8       & 9       & 15       & 16      & 36      & 12         & 48      & 3600   \\ \hline
       &         &       &        & \F{16}  & \F{13}  & 1        & 2\F{23} & 3       & 5        & 5\F{12} & 12      & 4          & 16      & 1200   \\ \hline
       &         &       &        &         & \F{18}  & \F{38}   & 1       & 1\F{18} &          & 2       & 4\F{12} & 1\F{12}    & 6       & 450    \\ \hline
       &         &       &        &         &         & \F{13}   &         & 1       & 1\F{23}  &         & 4       & \F{43}     & 5\F{12} & 400    \\ \hline
       &         &       &        &         &         & \F{15}   &         & \F{35}  & 1        &         & 2\F{25} & \F{45}     & 3\F{15} & 240    \\ \hline
       &         &       &        &         &         &          &         &         &          & 1       & 2\F{14} & \F{34}     & 3       & 200    \\ \hline
       &         &       &        &         &         &          &         & \F{14}  &          &         & 1       & \F{13}     & \F{34}  & 100    \\ \hline
\end{tabular}
}

{\footnotesize 
\begin{tabular}{|c|c|c|c|c|c|c|c|c|} \hline
\multicolumn{9}{|c|}{Weights (non-Troy) Ratios (hundredweight==cwt) }        \\ \hline
Long & Short & Long & Short     &       &       &       &       &            \\ 
ton  & ton   & cwt  & cwt       & stone & pound & oz wt & dram  &  grain     \\ \hline
1    &       & 20   & 22\F{25}  & 160   & 2240  &       &       &            \\ \hline
     & 1     &      & 20        &       & 2000  &       &       &            \\ \hline
     &       & 1    &           & 8     & 112   & 1792  &       &            \\ \hline
     &       &      & 1         &       & 100   & 1600  &       &            \\ \hline
     &       &      &           & 1     & 14    & 224   & 3584  &            \\ \hline
     &       &      &           &       & 1     & 16    & 256   & 7000       \\ \hline
     &       &      &           &       &       & 1     & 16    & 437\F{12}  \\ \hline
\end{tabular}
}
{\footnotesize 
\begin{tabular}{|c|c|c|c|c|c|c|} \hline
\multicolumn{6}{|c|}{Troy \& Apothocaries Weight Ratios } \\ \hline
Troy  & Troy   & Apotho & Troy        & Apotho  &      \\
Pound & Ounce  & dram   & pennyweight & scruple & grain \\ \hline
1     & 12     & 96     & 240         & 288     & 5760  \\ \hline
      & 1      & 8      & 20          & 24      & 480   \\ \hline
      & \F{18} & 1      & 2\F{12}     & 3       & 60    \\ \hline
      &        & \F{25} & 1           & 1\F{15} & 24    \\ \hline
      &        &        &             & 1       & 20    \\ \hline
\end{tabular}
}



{\footnotesize 
\begin{tabular}{|c|c|c|c|c|c|c|c|} \hline \multicolumn{8}{|c|}{Wet \& Avoirdupois Volume Ratios } \\ \hline
gallon  & fifth   & quart  & pint   & cup     & gill    & US fl oz & UK fl oz \\ \hline
1       & 5       & 4      & 8      & 16      & 32      & 128      & 160      \\ \hline
\F{14}  & 1\F{14} & 1      & 2      & 4       & 8       & 32       & 40       \\ \hline
\F{18}  &         & \F{12} & 1      & 2       & 4       & 16       & 20       \\ \hline
        &         & \F{14} & \F{12} & 1       & 2       & 8        & 10       \\ \hline
        &         & \F{18} & \F{14} & \F{12}  & 1       & 4        & 5        \\ \hline
\end{tabular}
}
{\footnotesize 
\begin{tabular}{|c|c|c|c|c|c|} \hline \multicolumn{6}{|c|}{Wet Volume Ratios }  \\ \hline
            & \multicolumn{3}{|c|}{spoons} &          &                         \\ \hline
fluid ounce & table  & dessert & tea        & fl dram & fl scruple              \\ \hline
1           & 2      & 3       & 6          & 8       & 24                      \\ \hline
\F{12}      & 1      & \F{32}  & 3          & 4       & 12                      \\ \hline
\F{13}      & \F{23} & 1       & 2          & 2\F{13} & 8                       \\ \hline
\F{16}      & \F{13} & \F{12}  & 1          & 1\F{13} & 4                       \\ \hline
\F{18}      & \F{14} & \F{38}  & \F{34}     & 1       & 3                       \\ \hline
\end{tabular}
}

{\footnotesize 
\begin{tabular}{|c|c|c|} \hline
\multicolumn{3}{|c|}{Wet Volume Barrel Ratios } \\ \hline
barrel & kilderkin & firkin \\ \hline
1      & 2         & 4      \\ \hline
       & 1         & 2      \\ \hline
\end{tabular}
}

{\footnotesize 
\begin{tabular}{|c|c|c|c|c|} \hline
\multicolumn{5}{|c|}{Dry Volume Ratios } \\ \hline
barrel & bushel & peck     & gallon   & quarts  \\ \hline
1      &        & 13\F{18} & 26\F{14} & 105     \\ \hline
       &  1     & 4        & 8        & 32      \\ \hline
       &        & 1        & 2        & 8       \\ \hline
       &        &          & 1        & 4       \\ \hline
\end{tabular}
}

{\footnotesize 
\begin{tabular}{|c|c|c|c|c|c|c|} \hline
\multicolumn{7}{|c|}{Traditional Time Ratios (1yr=365days)} \\ \hline
year & fortnight & week   & day    & hour & minute & second  \\ \hline
1    & 26        & 52     & 365    & 6360 &        &         \\ \hline
     & 1         & 2      & 14     & 336  & 20160  &         \\ \hline
     & \F{12}    & 1      & 7      & 168  & 10080  &         \\ \hline
     &           & \F{17} & 1      & 24   & 1440   & 86400   \\ \hline
     &           &        & \F{16} & 4    & 240    & 14400   \\ \hline
     &           &        &        & 1    & 60     & 3600    \\ \hline
     &           &        &        &      & 1      & 60      \\ \hline

\end{tabular}
}

{\footnotesize 
\begin{tabular}{|l|l|l||l|l|l|l||l|l|l|l|} \hline
\multicolumn{3}{|c||}{Binary Prefixes} & \multicolumn{4}{c||}{SI Prefixes (big)}    & \multicolumn{4}{c|}{SI Prefixes (small)}      \\ \hline
      &    &                           & yotta & Y     & $10^{24}$  & septillion    &  yocto & y     & $10^{-24}$ & septillionth    \\ \hline
      &    &                           & zetta & Z     & $10^{21}$  & sextillion    &  zepto & z     & $10^{-21}$ & sextillionth    \\ \hline
exbi  & Ei & $2^{60}$                  & exa   & E     & $10^{18}$  & quintillion   &  atto  & a     & $10^{-18}$ & quintillionth   \\ \hline
pebi  & Pi & $2^{50}$                  & peta  & P     & $10^{15}$  & quadrillion   &  femto & f     & $10^{-15}$ & quadrillionth   \\ \hline
tebi  & Ti & $2^{40}$                  & tera  & T     & $10^{12}$  & trillion      &  pico  & p     & $10^{-12}$ & trillionth      \\ \hline
gibi  & Gi & $2^{30}$                  & giga  & G     & $10^9$     & billion       &  nano  & n     & $10^{-9}$  & billionth       \\ \hline
mebi  & Mi & $2^{20}$                  & mega  & M     & $10^6$     & million       &  micro & $\mu$ & $10^{-6}$  & millionth       \\ \hline
kibi  & Ki & $2^{10}$                  & kilo  & k     & $10^3$     & thousand      &  milli & m     & $10^{-3}$  & thousandth      \\ \hline
      &    &                           & hecto & h     & $10^2$     & hundred       &  centi & c     & $10^{-2}$  & hundredth       \\ \hline
      &    &                           & deca  & da    & $10^1$     & ten           &  deci  & d     & $10^{-1}$  & tenth           \\ \hline
\end{tabular}    
}

{\footnotesize 
\begin{tabular}{|c|c|c|c|c|c|l|} \hline
Gas Point & F   & C       & Kelvin  & Rankine  & Reaumur  &                                     \\ \hline
          &     & -273.16 & 0       & 0        &          & Absolute Zero                       \\ \hline
          & 32  & 0       & 273.15  & 491.67   & 0        & \water\ Freezes                     \\ \hline
          &     & 4       &         &          &          & \water\ density=$999.972$ kg/m$^3$  \\ \hline
          & 0   &         &         & 459.67   &          &                                     \\ \hline
          &     & 20      &         &          &          &                                     \\ \hline
          & 60  &         &         &          &          & \water\ density$=999.001$ kg/m$^3$  \\ \hline
          & 212 & 100     &         &          & 80       & \water Boils @ STP                  \\ \hline
\F{14}    & 225 & 110     &         &          &          &                                     \\ \hline
\F{12}    & 250 & 130     &         &          &          &                                     \\ \hline
1         & 275 & 140     &         &          &          &                                     \\ \hline
2         & 300 & 150     &         &          &          &                                     \\ \hline
3         & 325 & 170     &         &          &          &                                     \\ \hline
4         & 350 & 180     &         &          &          &                                     \\ \hline
5         & 375 & 190     &         &          &          &                                     \\ \hline
6         & 400 & 200     &         &          &          &                                     \\ \hline
7         & 425 & 220     &         &          &          &                                     \\ \hline
8         & 450 & 230     &         &          &          &                                     \\ \hline
9         & 475 & 240     &         &          &          &                                     \\ \hline
\end{tabular}
}

\begin{tabular}{|c|c|} \hline
\multicolumn{2}{|c|}{$K = \frac{5 Ra}{9} = \frac{5463 C}{20} = \frac{5463}{20} + \frac{5 (F-32)}{9}$}  \\ \hline
\parbox{1in}{$C = \frac{5 (F-32)}{9}$}     &     \parbox{1in}{$F = \frac{9 C}{5} + 32$}   \\ \hline
\end{tabular}


\end{document} 
