There are several places the oil could be leaking from. One is the valve cover gasket, another is the oil pan gasket. It could also be leaking from the main or the rear seal, the oil pressure sensor, or from the camshaft seal, among other places. A mechanic will be able to figure it out.
look right under the motor it is the biggest built..probly 11/16 or 3/4 bolt
Intakes, Pipes,
16 gallons
16
The 1996-2000 Honda Civic came with the 1.6-liter SOHC 4-cylinder 16-valve engine.
about 16 qts. a year.
There are 16 ounces in 1 pound of ANYTHING.
1&1/16 quarts
About 16 US fl oz.
ratio is 16 ounces of oil per six gallons of fuel
15 to 16 U.S. oz.
It is a 15/16, but the closest equivalent may be a 24mm.