About $ 4.50 per sq ft of gravel and 3 inches of hot mix.    On average it cost $1 per sq.ft per inch of asphalt, just to lay  it. If you are laying 3 inches of asphal â¦ t then expect it to cost  around $3 per sq ft. If you lay 4 inches expect to pay 4 $ per  sq.ft..You only pay more when you have Base work to be done such  as digging down 12 inches and then laying 9 inches of gravel and  then the asphalt.f you are laying 3 inches of asphal â¦ t then expect it to cost  around $3 per sq ft. If you lay 4 inches expect to pay 4 $ per  sq.ft.. You only pay more when you have Base work to be done such  as digging down 12 inches and then laying 9 inches of gravel and  then the asphalt.
Milligrams can be converted to milliliters by converting milligrams to grams, and then converting grams to milliliters. There are 100 milligrams in a gram and 1 gram in a milliliter.
PPM to Mg/Kg Converter. Use the below online PPM to Mg/Kg Converter which helps you to convert the parts per million (PPM) into mg/kg (Milligram/kilogram). Just as per cent means out of a hundred, parts per million means out of a million which is represented as 1/1000000. PPM is a dimensionless quantity used to measure the concentration of a substance in a solution. One ppm is equivalent to 1 milligram of a substance per liter of water (mg/l) or per kilogram of soil (mg/kg).