Parking Lot Asphalt Calculator
Parking lot asphalt estimating: the paving area is derived from the number of spaces × area per space (including the aisle allowance), then converted to volume and tonnage.
Disclaimer：Results are produced by deterministic formulas and are intended for quantity estimating and option comparison only. A qualified engineer must verify them against the project specification, design documents and actual site conditions before use. The author accepts no liability for any loss arising from their use.
ASSUMPTIONS
RESULT
CALCULATION
METHOD
Area
A = n × aspace, where a already includes the aisle and turning allowance; the rest follows the general asphalt procedure.- 25–35 m² per space is a combined empirical allowance for aisles and turning radii; verify it against the actual site layout.
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