var grains=0;
var gms=0;
var lbs=0;
var ozs=0;
var kgs=0;
var stones=0;
var cwt=0;
var shortT=0;
var longT=0;
var sqinches=0;
var sqcms=0;
var sqfeet=0;
var sqmeters=0;
var sqdms=0;
var sqyds=0;
var roods=0;
var acres=0;
var sqhas=0;
var inches=0;
var cm=0;
var feet=0;
var meters=0;
var fathoms=0;
var poles=0;
var furl=0;
var nautical=0;
var kilos=0;
var gills=0;
var liters=0;
var pints=0;
var quarts=0;
var gallons=0;
var bushels=0;
var barrels=0;
var hecto=0;
var cuinches=0;
var cucms=0;
var cufeet=0;
var cumeters=0;
var cuyds=0;
var regton=0;
var cubcap=0;
var cbm=0;
var length=0;
var width=0;
var height=0;
var area=0;
var cbma=0;
var cbmb=0;
var yards=0;
function cbmconverter() {

var answer=document.cbmcalculator.cbm.options.selectedIndex
if(answer=="0")
{
length=document.cbmcalculator.length.value;
width=document.cbmcalculator.width.value;
height=document.cbmcalculator.height.value;
area=length*width*height;
cbma=area*.00001639;
document.cbmcalculator.area.value=cbma;
}
else 
{

if (answer=="3")
{
length=document.cbmcalculator.length.value;
width=document.cbmcalculator.width.value;
height=document.cbmcalculator.height.value;
area=length*width*height;
cbmb=area*.000001;
document.cbmcalculator.area.value=cbmb;
}
else {
if (answer=="4")
{
length=document.cbmcalculator.length.value;
width=document.cbmcalculator.width.value;
height=document.cbmcalculator.height.value;
area=length*width*height;
document.cbmcalculator.area.value=area;
}

else {

if (answer=="1")
{
length=document.cbmcalculator.length.value;
width=document.cbmcalculator.width.value;
height=document.cbmcalculator.height.value;
area=length*width*height;
var ftlg=area*.02831685;
document.cbmcalculator.area.value=ftlg;

}

else {

if (answer=="2") {
length=document.cbmcalculator.length.value;
width=document.cbmcalculator.width.value;
height=document.cbmcalculator.height.value;
area=length*width*height;
var yardage=area*.7645549;
document.cbmcalculator.area.value=yardage;





}

}


}

}
}
}

function capconverter() {

var format=document.capcalculator.capacity.options.selectedIndex

if(format=="0")
{
gills=document.capcalculator.metric.value;
liters=gills*.142;
document.capcalculator.english.value=liters;
}
else 
{
if (format=="1")
{
liters=document.capcalculator.metric.value;
gills =liters/.142;
document.capcalculator.english.value=gills;
}

else
{
if (format=="2")
{
pints=document.capcalculator.metric.value;
liters=pints*.5682;
document.capcalculator.english.value=liters;
}

else
{
if(format=="3")
{
liters=document.capcalculator.metric.value;
pints=liters/.5682;
document.capcalculator.english.value=pints;
}
else
{
if (format=="4")
{
quarts=document.capcalculator.metric.value;
liters=quarts*1.1365;
document.capcalculator.english.value=liters;
}
else
{
if (format=="5")
{
liters=document.capcalculator.metric.value;
quarts=liters/1.1365;
document.capcalculator.english.value=quarts;
}
else
{
if (format=="6")
{
gallons=document.capcalculator.metric.value;
liters=gallons*2.22;
document.capcalculator.english.value=liters;
}
else
{
if (format=="7")
{
liters=document.capcalculator.metric.value;
gallons=liters/2.22;
document.capcalculator.english.value=gallons;
}
else
{
if (format=="8")
{
bushels=document.capcalculator.metric.value;
liters=bushels*36.3689;
document.capcalculator.english.value=liters;
}
else
{
if (format=="9")
{
liters=document.capcalculator.metric.value;
bushels=liters*.0275;
document.capcalculator.english.value=bushels;
}
else
{
if (format=="10")
{
barrels=document.capcalculator.metric.value;
hecto=barrels*1.6365;
document.capcalculator.english.value=hecto;
}
else
{
if (format=="11")
{
hecto=document.capcalculator.metric.value;
barrels=hecto*.6111;
document.capcalculator.english.value=barrels;
}
}
}
}
}
}
}
}
}
}
}
}
}


function converter() {

var format=document.lincalculator.linear.options.selectedIndex

if(format=="2")
{
inches=document.lincalculator.metric.value;
cm=inches/.3937;
document.lincalculator.english.value=cm;
}
else 
{
if (format=="3")
{
cm=document.lincalculator.metric.value;
inches =cm*.3937;
document.lincalculator.english.value=inches;
}

else
{
if (format=="0")
{
feet=document.lincalculator.metric.value;
meters=feet*.3048;
document.lincalculator.english.value=meters;
}

else
{
if(format=="1")
{
meters=document.lincalculator.metric.value;
feet=meters/.3048;
document.lincalculator.english.value=feet;
}
else
{
if (format=="4")
{
fathoms=document.lincalculator.metric.value;
meters=fathoms/.5467;
document.lincalculator.english.value=meters;
}
else
{
if (format=="5")
{
meters=document.lincalculator.metric.value;
fathoms=meters*.5467;
document.lincalculator.english.value=fathoms;
}
else
{
if (format=="6")
{
poles=document.lincalculator.metric.value;
meters=poles*5.0290;
document.lincalculator.english.value=meters;
}
else
{
if (format=="7")
{
meters=document.lincalculator.metric.value;
poles=meters/5.0290;
document.lincalculator.english.value=poles;
}
else
{
if (format=="8")
{
furl=document.lincalculator.metric.value;
meters=furl*201.1680;
document.lincalculator.english.value=meters;
}
else
{
if (format=="9")
{
meters=document.lincalculator.metric.value;
furl=meters/201.1680;
document.lincalculator.english.value=furl;
}
else
{
if (format=="10")
{
nautical=document.lincalculator.metric.value;
kilos=nautical*1.8530;
document.lincalculator.english.value=kilos;
}
else
{
if (format=="11")
{
kilos=document.lincalculator.metric.value;
nautical=kilos/1.8530;
document.lincalculator.english.value=nautical;
}
}
}
}
}
}
}
}
}
}
}
}
}

function areaconverter() {

var format=document.areacalculator.area.options.selectedIndex

if(format=="0")
{
sqinches=document.areacalculator.metric.value;
sqcms=sqinches/.1550;
document.areacalculator.english.value=sqcms;
}
else 
{
if (format=="1")
{
sqcms=document.areacalculator.metric.value;
sqinches =sqcms*.1550;
document.areacalculator.english.value=sqinches;
}

else
{
if (format=="2")
{
sqfeet=document.areacalculator.metric.value;
sqdms=sqfeet*9.29;
document.areacalculator.english.value=sqdms;
}

else
{
if(format=="3")
{
sqdms=document.areacalculator.metric.value;
sqfeet=sqdms/9.29;
document.areacalculator.english.value=sqfeet;
}
else
{
if (format=="4")
{
sqyds=document.areacalculator.metric.value;
sqmeters=sqyds*.836;
document.areacalculator.english.value=sqmeters;
}
else
{
if (format=="5")
{
sqmeters=document.areacalculator.metric.value;
sqyds=sqmeters/.836;
document.areacalculator.english.value=sqyds;
}
else
{
if (format=="6")
{
roods=document.areacalculator.metric.value;
sqmeters=roods*1011.71;
document.areacalculator.english.value=sqmeters;
}
else
{
if (format=="7")
{
sqmeters=document.areacalculator.metric.value;
roods=sqmeters/1011.71;
document.areacalculator.english.value=roods;
}
else
{
if (format=="8")
{
acres=document.areacalculator.metric.value;
sqhas=acres*.4050;
document.areacalculator.english.value=sqhas;
}
else
{
if (format=="9")
{
sqhas=document.areacalculator.metric.value;
acres=sqhas/.4050;
document.areacalculator.english.value=acres;
}
else
{
if (format=="10")
{
var absent=document.areacalculator.metric.value;
absent="NaN";
document.areacalculator.english.value=absent;
}
else
{
if (format=="11")
{
var absent=document.areacalculator.metric.value;
absent="NaN";
document.areacalculator.english.value=absent;
}
}
}
}
}
}
}
}
}
}
}
}
}

function massconverter() {

var format=document.masscalculator.mass.options.selectedIndex

if(format=="2")
{
grains=document.masscalculator.metric.value;
gms=grains*.0648;
document.masscalculator.english.value=gms;
}
else 
{
if (format=="3")
{
gms=document.masscalculator.metric.value;
grains =gms*15.5321;
document.masscalculator.english.value=grains;
}

else
{
if (format=="4")
{
ozs=document.masscalculator.metric.value;
gms=ozs*28.2495;
document.masscalculator.english.value=gms;
}

else
{
if(format=="5")
{
gms=document.masscalculator.metric.value;
ozs=gms*.0353;
document.masscalculator.english.value=ozs;
}
else
{
if (format=="0")
{
lbs=document.masscalculator.metric.value;
kgs=lbs*.4536;
document.masscalculator.english.value=kgs;
}
else
{
if (format=="1")
{
kgs=document.masscalculator.metric.value;
lbs=kgs*2.2051;
document.masscalculator.english.value=lbs;
}
else
{
if (format=="6")
{
stones=document.masscalculator.metric.value;
kgs=stones*6.3502;
document.masscalculator.english.value=kgs;
}
else
{
if (format=="7")
{
kgs=document.masscalculator.metric.value;
stones=kgs*.1575;
document.masscalculator.english.value=stones;
}
else
{
if (format=="8")
{
cwt=document.masscalculator.metric.value;
kgs=cwt*50.8260;
document.masscalculator.english.value=kgs;
}
else
{
if (format=="9")
{
kgs=document.masscalculator.metric.value;
cwt=kgs*.0197;
document.masscalculator.english.value=cwt;
}
else
{
if (format=="10")
{
shortT=document.masscalculator.metric.value;
kgs=shortT*907.1847;
document.masscalculator.english.value=kgs;
}
else
{
if (format=="11")
{
kgs=document.masscalculator.metric.value;
shortT=kgs*.0011;
document.masscalculator.english.value=shortT;
}
else
{
if (format=="12")
{
longT=document.masscalculator.metric.value;
kgs=longT*1016.0469;
document.masscalculator.english.value=kgs;
}
else
{
if (format=="13")
{
kgs=document.masscalculator.metric.value;
longT=kgs*.001;
document.masscalculator.english.value=longT;
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
function volconverter() {

var format=document.volcalculator.volume.options.selectedIndex

if(format=="2")
{
cuinches=document.volcalculator.metric.value;
cucms=cuinches/.0610;
document.volcalculator.english.value=cucms;
}
else 
{
if (format=="3")
{
cucms=document.volcalculator.metric.value;
cuinches =cucms*.0610;
document.volcalculator.english.value=cuinches;
}

else
{
if (format=="0")
{
cufeet=document.volcalculator.metric.value;
cumeters=cufeet*.0238;
document.volcalculator.english.value=cumeters;
}

else
{
if(format=="1")
{
cumeters=document.volcalculator.metric.value;
cufeet=cumeters*35.3145;
document.volcalculator.english.value=cufeet;
}
else
{
if (format=="4")
{
cuyds=document.volcalculator.metric.value;
cumeters=cuyds*.7650;
document.volcalculator.english.value=cumeters;
}
else
{
if (format=="5")
{
cumeters=document.volcalculator.metric.value;
cuyds=cumeters/.7650;
document.volcalculator.english.value=cuyds;
}
else
{
if (format=="6")
{
regton=document.volcalculator.metric.value;
cumeters=regton*2.832;
document.volcalculator.english.value=cumeters;
}
else
{
if (format=="7")
{
cumeters=document.volcalculator.metric.value;
regton=cumeters/2.832;
document.volcalculator.english.value=regton;
}
else
{
if (format=="8")
{
cubcap=document.volcalculator.metric.value;
cumeters=cubcap*1.133;
document.volcalculator.english.value=cumeters;
}
else
{
if (format=="9")
{
cumeters=document.volcalculator.metric.value;
cubcap=cumeters/1.133;
document.volcalculator.english.value=cubcap;
}
else
{
if (format=="10")
{
var absent=document.volcalculator.metric.value;
absent="NaN";
document.volcalculator.english.value=absent;
}
else
{
if (format=="11")
{
var absent=document.volcalculator.metric.value;
absent="NaN";
document.volcalculator.english.value=absent;
}
}
}
}
}
}
}
}
}
}
}
}
}