Pond Reference

<body topmargin=0 leftmargin=0 marginheight=0 marginwidth=0> <table cellpadding=0 cellspacing=0 border=0 height="100%"><tr> <td valign="top" width=200 BGCOLOR="#0000BF" TEXT="#F7F7FF"> <div> <B>      H</B><A HREF="index.html" TARGET="_top" TITLE="Landscape Raleigh, NC, Down to Earth is"><U><B>ome</B></U></A></div> <div>                                                   </div> <bR> <DIV ALIGN="LEFT"></DIV> <div> <IMG SRC="19f78a00.jpg" border=0 width="120" height="160" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></div> </td> <td valign="top" BGCOLOR="#FFFFFF" TEXT="#080000"> <div> <A HREF="id89.htm" TARGET="_top" TITLE="airlockenergy"><U><IMG SRC="086c8c80.jpg" border=0 width="200" height="200" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></U></A></div> <div> <B>Pond reference library</B></div> <div> <B>( a collection of articles, formulas, links, and tips)</B></div> <bR> <div> There may be an occasional dead link.  I try to keep up with them but just let me know if you find one.</div> <bR> <div> <B><IMG SRC="22e2c040.gif" border=0 width="556" height="260" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></B></div> <bR> <div> <B><U>Categories:</U></B></div> <div> <A HREF="id81.htm" TARGET="_top" TITLE="Magazine Articles From Pond Keeper Magaz"><U>Magazine Articles From Pond Keeper Magazine »</U></A></div> <div> <A HREF="id82.htm" TARGET="_top" TITLE="Magazine Articles From Water Garden Maga"><U>Magazine Articles From Water Garden Magazine »</U></A></div> <div> <A HREF="id83.htm" TARGET="_top" TITLE="Other Instruction Manuals »"><U>Other Instruction Manuals »</U></A></div> <div> <A HREF="id84.htm" TARGET="_top" TITLE="Other Pond School Resources »"><U>Other Pond School Resources »</U></A></div> <div> Pond Building Resources »</div> <div> <A HREF="id85.htm" TARGET="_top" TITLE="Pond Maintaining Resources »"><U>Pond Maintaining Resources »</U></A></div> <div> <A HREF="id86.htm" TARGET="_top" TITLE="Pond Planning Resources"><U>Pond Planning Resources »</U></A></div> <div> Pond Tour Information »</div> <div> PondSweep® Skimmers and PuriFalls® instruction manuals in English, French and Spanish »</div> <div> <A HREF="id87.htm" TARGET="_top" TITLE=" Pump Information »"><U>Pump Information »</U></A></div> <bR> <bR> <bR> <bR> <bR> <div> <I><B>A</B></I></div> <div> <A HREF="id89_airlocks.htm" TARGET="_top" TITLE="airlockenergy"><U><U>Airlocks</U></U></A></div> <div> <A HREF="id89_algae.htm" TARGET="_top" TITLE="airlockenergy"><U><U>Algae</U></U></A></div> <div> <A HREF="id89_algicides.htm" TARGET="_top" TITLE="airlockenergy"><U><U>Algicides</U></U></A></div> <div> <A HREF="id89_atmospheric.htm" TARGET="_top" TITLE="airlockenergy"><U><U>Atmospheric Pressure</U></U></A></div> <div> <U>Automatic Water Fillers see Poolmiser</U><FONT SIZE="3" COLOR="#000080" FACE="arial" > </FONT></div> <div> <I><B>B</B></I></div> <div> <A HREF="id89_bacteria.htm" TARGET="_top" TITLE="airlockenergy"><U><U>Bacteria</U></U></A></div> <div> <A HREF="id89_backwash.htm" TARGET="_top" TITLE="airlockenergy"><U><U>Back wash valve</U></U></A></div> <div> <A HREF="id89_backwash.htm" TARGET="_top" TITLE="airlockenergy"><U><U><IMG BORDER="0" SRC="Symb075c00b700f0ff000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Installation</U></U></A></div> <div> <A HREF="id89_backwashseq.htm" TARGET="_top" TITLE="airlockenergy"><U><U><IMG BORDER="0" SRC="Symb075c00b700f0ff000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Back Wash Sequence</U></U></A></div> <div> <A HREF="id89_backwash.htm" TARGET="_top" TITLE="airlockenergy"><U><U><IMG BORDER="0" SRC="Symb075c00b700f0ff000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Cleaning and Maintenance</U></U></A><FONT SIZE="3" COLOR="#000080" FACE="arial" ><A HREF="id89_backwash.htm" TARGET="_top" TITLE="airlockenergy"><U> </U></A></FONT></div> <div> <I><B>C</B></I></div> <div> <A HREF="id89_cavitation.htm" TARGET="_top" TITLE="airlockenergy"><U><U>Cavitation</U></U></A></div> <div> <A HREF="id89_chemicals.htm" TARGET="_top" TITLE="airlockenergy"><U><U>Chemicals</U></U></A></div> <div> <A HREF="id89_chemicalfeeders.htm" TARGET="_top" TITLE="airlockenergy"><U><U>Chemical Feeders</U></U></A></div> <div> <A HREF="id89_concrete.htm" TARGET="_top" TITLE="airlockenergy"><U><U>Concrete, Gunite and Shotcrete</U></U></A></div> <div> <A HREF="id89_cost.htm" TARGET="_top" TITLE="airlockenergy"><U><U>Cost of Running a OUT-OF-POND Pump</U></U></A></div> <div> <I><B>D - E</B></I></div> <div> <A HREF="id89_drainage.htm" TARGET="_top" TITLE="airlockenergy"><U><U>Drainage</U></U></A></div> <div> <U>Electrical</U></div> <div> <U><IMG BORDER="0" SRC="Symb075c00b700f0ff000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Inst</U><A HREF="id89_electrical.htm" TARGET="_top" TITLE="airlockenergy"><U><U>electrical</U></U></A><U>allation</U></div> <div> <A HREF="id90_electrical.htm" TARGET="_top" TITLE="troubleshooting"><U><U><IMG BORDER="0" SRC="Symb075c00b700f0ff000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Trouble Shooting</U></U></A></div> <div> <A HREF="id89_energyconservation.htm" TARGET="_top" TITLE="airlockenergy"><U><U>Energy Conservation</U></U></A><FONT SIZE="3" COLOR="#000080" FACE="arial" ><A HREF="id89_energyconservation.htm" TARGET="_top" TITLE="airlockenergy"><U> </U></A></FONT></div> <div> <I><B>F</B></I></div> <div> <A HREF="id91_filter.htm" TARGET="_top" TITLE="filter koi"><U><U>Filter, Sand Overview</U></U></A></div> <div> <A HREF="id91_filteroper.htm" TARGET="_top" TITLE="filter koi"><U><U><IMG BORDER="0" SRC="Symb075c00b700f0ff000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Filter Operation</U></U></A></div> <div> <A HREF="id91_filterbackwash.htm" TARGET="_top" TITLE="filter koi"><U><U><IMG BORDER="0" SRC="Symb075c00b700f0ff000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Backwash Valve</U></U></A></div> <div> <A HREF="id91_filtersize.htm" TARGET="_top" TITLE="filter koi"><U><U><IMG BORDER="0" SRC="Symb075c00b700f0ff000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Filter Size</U></U></A></div> <div> <A HREF="id91_filterinstall.htm" TARGET="_top" TITLE="filter koi"><U><U><IMG BORDER="0" SRC="Symb075c00b700f0ff000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Installation</U></U></A></div> <div> <A HREF="id91_filteradd.htm" TARGET="_top" TITLE="filter koi"><U><U><IMG BORDER="0" SRC="Symb075c00b700f0ff000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Add Sand</U></U></A></div> <div> <A HREF="id91_filterpressure.htm" TARGET="_top" TITLE="filter koi"><U><U><IMG BORDER="0" SRC="Symb075c00b700f0ff000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Pressure Gauge</U></U></A></div> <div> <A HREF="id91_filterairrelief.htm" TARGET="_top" TITLE="filter koi"><U><U><IMG BORDER="0" SRC="Symb075c00b700f0ff000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Air Relief Valve</U></U></A></div> <div> <A HREF="id91_filtercleaning.htm" TARGET="_top" TITLE="filter koi"><U><U><IMG BORDER="0" SRC="Symb075c00b700f0ff000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Cleaning</U></U></A></div> <div> <A HREF="id91_filtersand.htm" TARGET="_top" TITLE="filter koi"><U><U><IMG BORDER="0" SRC="Symb075c00b700f0ff000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Sand and Laterals</U></U></A></div> <div> <A HREF="id91_fountain.htm" TARGET="_top" TITLE="filter koi"><U><U>Fountain</U></U></A></div> <div> <A HREF="id91_fountaindesign.htm" TARGET="_top" TITLE="filter koi"><U><U><IMG BORDER="0" SRC="Symb075c00b700f0ff000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Design</U></U></A><FONT SIZE="3" COLOR="#000080" FACE="arial" ><A HREF="id91_fountaindesign.htm" TARGET="_top" TITLE="filter koi"><U> </U></A></FONT></div> <div> <I><B>G</B></I></div> <div> <A HREF="id91_glues.htm" TARGET="_top" TITLE="filter koi"><U><U>Glues and Gluing</U></U></A></div> <div> <A HREF="id93_zenplumbing.htm" TARGET="_top" TITLE="rebarzen"><U><U><IMG BORDER="0" SRC="Symb075c00b700f0ff000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">also see Zen and the Art of Pipe Fitting</U></U></A></div> <div> <A HREF="id91_ground.htm" TARGET="_top" TITLE="filter koi"><U><U>Ground Fault Interrupter (GFI)</U></U></A><FONT SIZE="3" COLOR="#000080" FACE="arial" ><A HREF="id91_ground.htm" TARGET="_top" TITLE="filter koi"><U> </U></A></FONT></div> <div> <I><B>H</B></I></div> <div> <A HREF="id91_horsepower.htm" TARGET="_top" TITLE="filter koi"><U><U>Horsepower</U></U></A></div> <div> <A HREF="id91_hydrology.htm" TARGET="_top" TITLE="filter koi"><U><U>Hydrology</U></U></A></div> <div> <I><B>I</B></I></div> <div> <A HREF="id91_impellor.htm" TARGET="_top" TITLE="filter koi"><U><U>Impeller cleaning</U></U></A></div> <div> <I><B>J - K</B></I></div> <div> <A HREF="id91_koi.htm" TARGET="_top" TITLE="filter koi"><U><U>Koi</U></U></A></div> <div> <I><B>L</B></I></div> <div> <A HREF="id90_leakdetection.htm" TARGET="_top" TITLE="troubleshooting"><U><U>Leak Detection see Leak Detection in Troubleshooting</U></U></A></div> <div> <A HREF="id90_leakdetection.htm" TARGET="_top" TITLE="troubleshooting"><U><U><IMG BORDER="0" SRC="Symb075c00b700f0ff000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Repair</U></U></A></div> <div> <A HREF="id94_leaf_trap_cleaning_see_pond_overview_.htm" TARGET="_top" TITLE="leak detection glue"><U><U>Leaf Trap</U></U></A></div> <div> <A HREF="id94_liner.htm" TARGET="_top" TITLE="leak detection glue"><U><U>Liner</U></U></A></div> <div> <A HREF="id94_linertypes.htm" TARGET="_top" TITLE="leak detection glue"><U><U><IMG BORDER="0" SRC="Symb075c00b700f0ff000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Types</U></U></A></div> <div> <A HREF="id94_linersizing.htm" TARGET="_top" TITLE="leak detection glue"><U><U><IMG BORDER="0" SRC="Symb075c00b700f0ff000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Sizing</U></U></A></div> <div> <A HREF="id94_linerinstall.htm" TARGET="_top" TITLE="leak detection glue"><U><U><IMG BORDER="0" SRC="Symb075c00b700f0ff000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Installation</U></U></A><FONT SIZE="3" COLOR="#000080" FACE="arial" ><A HREF="id94_linerinstall.htm" TARGET="_top" TITLE="leak detection glue"><U> </U></A></FONT></div> <div> <I><B>M - N</B></I></div> <div> <A HREF="id94_nitrification.htm" TARGET="_top" TITLE="leak detection glue"><U><U>Nitrification</U></U></A></div> <div> <I><B>O</B></I></div> <div> <A HREF="id94_overflow.htm" TARGET="_top" TITLE="leak detection glue"><U><U>Overflow</U></U></A></div> <div> <A HREF="id94_oxygen.htm" TARGET="_top" TITLE="leak detection glue"><U><U>Oxygen</U></U></A></div> <div> <I><B>P</B></I></div> <div> <A HREF="id94_pipe.htm" TARGET="_top" TITLE="leak detection glue"><U><U>Pipe</U></U></A></div> <div> <A HREF="id94_pipesizing.htm" TARGET="_top" TITLE="leak detection glue"><U><U><IMG BORDER="0" SRC="Symb075c00b700f0ff000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Sizing</U></U></A></div> <div> <A HREF="id94_pipetypes.htm" TARGET="_top" TITLE="leak detection glue"><U><U><IMG BORDER="0" SRC="Symb075c00b700f0ff000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Types</U></U></A></div> <div> <A HREF="id94_plants.htm" TARGET="_top" TITLE="leak detection glue"><U><U>Plants</U></U></A></div> <div> <A HREF="id94_ponddesign.htm" TARGET="_top" TITLE="leak detection glue"><U><U>Pond Design see Pond Overview</U></U></A></div> <div> <A HREF="id94_pondsize.htm" TARGET="_top" TITLE="leak detection glue"><U><U>Pond Size</U></U></A></div> <div> <A HREF="id94_poolmiser.htm" TARGET="_top" TITLE="leak detection glue"><U><U>Poolmiser</U></U></A></div> <div> <A HREF="id94_poolmiserinstall.htm" TARGET="_top" TITLE="leak detection glue"><U><U><IMG BORDER="0" SRC="Symb075c00b700f0ff000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Installation</U></U></A></div> <div> <A HREF="id94_poolmiseroper.htm" TARGET="_top" TITLE="leak detection glue"><U><U><IMG BORDER="0" SRC="Symb075c00b700f0ff000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Operation</U></U></A></div> <div> <A HREF="id94_pump.htm" TARGET="_top" TITLE="leak detection glue"><U><U>Pump</U></U></A></div> <div> <A HREF="id94_pumpsizing.htm" TARGET="_top" TITLE="leak detection glue"><U><U><IMG BORDER="0" SRC="Symb075c00b700f0ff000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Sizing</U></U></A></div> <div> <A HREF="id94_pumplocation.htm" TARGET="_top" TITLE="leak detection glue"><U><U><IMG BORDER="0" SRC="Symb075c00b700f0ff000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Location</U></U></A></div> <div> <A HREF="id94_pumpinstall.htm" TARGET="_top" TITLE="leak detection glue"><U><U><IMG BORDER="0" SRC="Symb075c00b700f0ff000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Installation</U></U></A></div> <div> <A HREF="id94__pumpplumbing.htm" TARGET="_top" TITLE="leak detection glue"><U><U><IMG BORDER="0" SRC="Symb075c00b700f0ff000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Plumbing</U></U></A></div> <div> <A HREF="id94_pumpwiring.htm" TARGET="_top" TITLE="leak detection glue"><U><U><IMG BORDER="0" SRC="Symb075c00b700f0ff000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Wiring</U></U></A></div> <div> <A HREF="id94_pump1speed.htm" TARGET="_top" TITLE="leak detection glue"><U><U><IMG BORDER="0" SRC="Symb075c00b700f0ff000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Wiring One Speed</U></U></A></div> <div> <A HREF="id94_pump2speed.htm" TARGET="_top" TITLE="leak detection glue"><U><U><IMG BORDER="0" SRC="Symb075c00b700f0ff000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">Wiring Two Speed</U></U></A></div> <div> <A HREF="id94_leaf_trap_cleaning_see_pond_overview_.htm" TARGET="_top" TITLE="leak detection glue"><U><U>Leaf Trap</U></U></A></div> <div> <A HREF="id93_zenplumbing.htm" TARGET="_top" TITLE="rebarzen"><U><U><IMG BORDER="0" SRC="Symb075c00b700f0ff000000.png" HEIGHT="16" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">also see Zen and the Art of Plumbing</U></U></A><FONT SIZE="3" COLOR="#000080" FACE="arial" ><A HREF="id93_zenplumbing.htm" TARGET="_top" TITLE="rebarzen"><U> </U></A></FONT></div> <div> <I><B>Q - R</B></I></div> <div> <A HREF="id93_rebar.htm" TARGET="_top" TITLE="rebarzen"><U><U>Rebar</U></U></A></div> <div> <A HREF="id93_rocks.htm" TARGET="_top" TITLE="rebarzen"><U><U>Rocks</U></U></A></div> <div> <I><B>S</B></I></div> <div> <U>Sand</U></div> <div> <U>Skimmers</U></div> <div> <U>Installation</U></div> <div> <U>Two Port</U></div> <div> <U>No Niche</U></div> <div> <U>Soil Types</U></div> <div> <U>System Start Up</U><FONT SIZE="3" COLOR="#000080" FACE="arial" > </FONT></div> <div> <I><B>T</B></I></div> <div> <U>Tank Fittings</U></div> <div> <U>Trouble Shooting</U></div> <div> <I><B>U</B></I></div> <div> <U>Ultraviolet Lights</U></div> <div> <U>Sizing</U></div> <div> <U>Installation</U></div> <div> <U>Underlayment</U></div> <div> <U>Unions</U><FONT SIZE="3" COLOR="#000080" FACE="arial" > </FONT></div> <div> <I><B>V</B></I></div> <div> <U>Vacuuming a pond</U></div> <div> <U>Valves</U></div> <div> <U>Ball</U></div> <div> <U>Check</U></div> <div> <U>Jandy Three Way</U></div> <div> <U>Venturi</U><FONT SIZE="3" COLOR="#000080" FACE="arial" > </FONT></div> <div> <I><B>W</B></I></div> <div> <U>Water Clarity/Water Quality</U></div> <div> <U>Winterizing</U></div> <div> <I><B>X, Y & Z</B></I></div> <div> <U>Zen and the Art of Plumbing</U></div> <div> <U>Zen and the Art of Beautiful Water</U></div> <bR> <DIV ALIGN="LEFT"></DIV> <div> <B> <FORM name="gogo"> <TABLE CELLSPACING=3 border="0" CELpadding="0"> <TR> <TD colspan=3><H2>Imagine a pond</H2></TD> </TR> <TR> <TD>Length</TD> <TD><INPUT TYPE=NUMBER NAME=l_d size=15 VALUE="3.25" onChange="conv(this.form)"></TD> <TD><SELECT name=l_u onChange="conv(this.form)"> <option selected>foot = yard/(3) <option>furlong = yard*(220) <option>inch = yard/(36) <option>centimetre = metre/(100) <option>chain = yard*(22) <option>decimetre = metre/(10) <option>hectometre = metre*(100) <option>kilometre = metre*(1000) <option>metre = metre <option>mile = yard*(1760) <option>micrometre = metre/(1e6) <option>milli-inch = yard/(36000) <option>millimetre = metre/(1000) <option>perch = yard*(5.5) <option>pole = yard*(5.5) <option>rod = yard*(5.5) <option>yard = yard </select></TD> </TR> <TR> <TD>Width</TD> <TD><INPUT TYPE=NUMBER NAME=w_d size=15 VALUE="1.25" onChange="conv(this.form)"></TD> <TD><SELECT name=w_u onChange="conv(this.form)"> <option selected>foot = yard/(3) <option>furlong = yard*(220) <option>inch = yard/(36) <option>centimetre = metre/(100) <option>chain = yard*(22) <option>decimetre = metre/(10) <option>hectometre = metre*(100) <option>kilometre = metre*(1000) <option>metre = metre <option>mile = yard*(1760) <option>micrometre = metre/(1e6) <option>milli-inch = yard/(36000) <option>millimetre = metre/(1000) <option>perch = yard*(5.5) <option>pole = yard*(5.5) <option>rod = yard*(5.5) <option>yard = yard </select> </TD></TR> <TR> <TD>Depth</TD> <TD><INPUT TYPE=NUMBER NAME=d_d size=15 VALUE="55" onChange="conv(this.form)"></TD> <TD><SELECT name=d_u onChange="conv(this.form)"> <option selected>foot = yard/(3) <option>furlong = yard*(220) <option>inch = yard/(36) <option>centimetre = metre/(100) <option>chain = yard*(22) <option>decimetre = metre/(10) <option>hectometre = metre*(100) <option>kilometre = metre*(1000) <option>metre = metre <option>mile = yard*(1760) <option>micrometre = metre/(1e6) <option>milli-inch = yard/(36000) <option>millimetre = metre/(1000) <option>perch = yard*(5.5) <option>pole = yard*(5.5) <option>rod = yard*(5.5) <option>yard = yard </select></TD> </TR> <TR> <TD>Shape</TD> <TD> </TD> <TD><SELECT name=s_u onChange="conv(this.form)"> <option>cuboid = l*w*d <option>prism = (l*w*d)/2 <option>pyramid = (l*w*d)/3 <option>cone = (Math.PI*d*l*d)/12 </select></TD> </TR> <TR> <TD colspan=3><H2>and you would have</H2></TD> </TR> <TR> <TD>Surface area</TD> <TD><INPUT TYPE=NUMBER name=sa_d size=15 onChange="conv(this.form)"></TD> <TD><SELECT name=sa_u onChange="conv(this.form)"> <option selected>sq foot = sqyard/(3*3) <option>sq furlong = sqyard*(220*220) <option>sq inch = sqyard/(36*36) <option>sq centimetre = sqmetre/(100*100) <option>sq chain = sqyard*(22*22) <option>sq decimetre = sqmetre/(10*10) <option>sq hectometre = sqmetre*(100*100) <option>sq kilometre = sqmetre*(1000*1000) <option>sq metre = sqmetre <option>sq micrometre = sqmetre/(1e6*1e6) <option>sq mile = sqyard*(1760*1760) <option>sq milli-inch = sqyard/(36000*36000) <option>sq millimetre = sqmetre/(1000*1000) <option>sq perch = sqyard*(5.5*5.5) <option>sq pole = sqyard*(5.5*5.5) <option>sq rod = sqyard*(5.5*5.5) <option>sq yard = sqyard </select></TD> </TR> <TR> <TD>Fish Inchage</TD> <TD><INPUT TYPE=NUMBER name=fish_d size=15 onChange="conv(this.form)"></TD> <TD><SELECT name=fish_u onChange="conv(this.form)"> <option>10 <option>9 <option>8 <option>7 <option>6 <option>5 <option>4 <option>3 <option selected>2 <option>1 <option>1/2 <option>1/3 <option>1/4 <option>1/5 <option>1/6 <option>1/7 <option>1/8 <option>1/9 <option>1/10 </select></TD> </TR> <TR> <TD>Volume</TD> <TD><INPUT TYPE=NUMBER name=v_d size=15 onChange="conv(this.form)"></TD> <TD><SELECT name=v_u onChange="conv(this.form)"> <option>cu foot = cuyard/(3*3*3) <option>cu furlong = cuyard*(220*220*220) <option>cu inch = cuyard/(36*36*36) <option>cu centimetre = cumetre/(100*100*100) <option>cu chain = cuyard*(22*22*22) <option>cu decimetre = cumetre/(10*10*10) <option>cu hectometre = cumetre*(100*100*100) <option>cu kilometre = cumetre*(1000*1000*1000) <option>cu metre = cumetre <option>cu micrometre = cumetre/(1e6*1e6*1e6) <option>cu mile = cuyard*(1760*1760*1760) <option>cu milli-inch = cuyard/(36000*36000*36000) <option>cu millimetre = cumetre/(1000*1000*1000) <option>cu perch = cuyard*(5.5*5.5*5.5) <option>cu pole = cuyard*(5.5*5.5*5.5) <option>cu rod = cuyard*(5.5*5.5*5.5) <option selected>cu yard = cuyard </select></TD> </TR> <TR> <TD>Capacity</TD> <TD><INPUT TYPE=NUMBER name=c_d size=15 onChange="conv(this.form)"></TD> <TD> <SELECT name=c_u onChange="conv(this.form)"> <option>litre = v*1000 <option selected>gallon = v*219.96965 <option>pint = v*1759.75 </select> </td> </TR> <TR> <TD>Weight</TD> <TD><INPUT TYPE=NUMBER name=we_d size=15 onChange="conv(this.form)"></TD> <TD><SELECT name=we_u onChange="conv(this.form)"> <option>gram = kilogram/1000 <option>hundredweight cwt = 112*pound <option>kilogram = kilogram <option>ounce = pound/16 <option>milligram = kilogram/1e6 <option selected>pound = pound <option>stone = 14*pound <option>ton long = 2240*pound <option>ton metric = 1000*kilogram <option>ton short = 2000*pound <option>tonne = 1000*kilogram </select></TD> </TR> <TR> <TD colspan=3><H2>its easy if you try.</H2></TD> </TR> </TABLE> </FORM><SCRIPT LANGUAGE=JAVASCRIPT>  </SCRIPT>  </B></div> <bR> <div> <A HREF="http://w3.one.net/~rzutt/index.html" TARGET="_top" TITLE="http://w3.one.net/~rzutt/index.html"><U><IMG SRC="1a0d43c0.gif" border=0 width="468" height="60" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></U></A></div> <bR> <bR> <bR> <bR> </td> </tr></table></body>