Asphalt Weight Formula:
From: | To: |
Definition: This calculator converts area in square yards and depth in inches to tons of asphalt using standard weight conversion factors.
Purpose: It helps construction professionals and paving contractors estimate the amount of asphalt needed for a project.
The calculator uses the formula:
Where:
Explanation: The formula calculates volume in cubic yards, converts to weight using standard density, then converts pounds to tons.
Details: Accurate asphalt weight estimation ensures proper material ordering, cost control, and project planning for paving projects.
Tips: Enter the area in square yards and depth in inches. Both values must be > 0. The calculation uses standard asphalt density of 110 lbs per square yard per inch depth.
Q1: Why 110 lbs per square yard per inch?
A: This is the standard weight for hot mix asphalt (HMA) used in most paving projects.
Q2: Does this work for different asphalt mixes?
A: The 110 lb factor works for most HMA. For specialty mixes, adjust the density factor accordingly.
Q3: How do I convert square feet to square yards?
A: Divide square feet by 9 to get square yards (since 1 sq yd = 9 sq ft).
Q4: Does this include compaction factor?
A: No, this calculates loose asphalt weight. Compacted asphalt may require 5-10% more material.
Q5: How accurate is this calculation?
A: It provides a good estimate for planning purposes, but actual needs may vary based on site conditions and compaction.