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.
Convert gram per (square meter) to milligram per (square micron) Gram per (square meter) to milligram per (square micron) (g/mÂ² to mg/ÂµmÂ²): 1.0 Ã 10-9 Ã ÏAg/mÂ² = ÏAmg/ÂµmÂ². Example: If g/mÂ² = 164 then mg/ÂµmÂ² = 1.0 Ã 10-9 Ã 164 = 1.64 Ã 10-7mg/ÂµmÂ². Milligram per (square micron) to gram per (square meter) (mg/ÂµmÂ² to g/mÂ²): 1 000 000 000 Ã ÏAmg/ÂµmÂ² = ÏAg/mÂ².