Example:
15 psi per 1000 feet = 34.599881 kilogram per cubic meter
1 psi per 1000 feet = 2.306659 kilogram per cubic meter | 1 kilogram per cubic meter = 0.433528 psi per 1000 feet
Conversion Steps:
15 × (2.306658726 / 1) = 34.599880887