Compare calculators

Both calculators run independently — change the inputs on either side to compare results.

Asphalt Calculator

Compute tons of hot-mix asphalt (HMA) needed for a driveway or paving project from length, width, and thickness. Uses the standard 145 lb/ft³ compacted density.

Length (ft)

Width (ft)

Compacted thickness (in)

HMA density (lb/ft³)

Fill in the required fields to see your result.

Construction

Paint Calculator (Gallons for a Room)

Calculate how many US gallons of paint you need for a room. Uses the standard 350 sq ft/gallon coverage rate common on US paint cans, adjusted for number of coats.

Total wall area (sq ft)

Number of coats (coats)

Coverage per gallon (sq ft/gal)

Fill in the required fields to see your result.

Key differences

	Asphalt Calculator	Paint Calculator (Gallons for a Room)
Category	Construction	Construction
Inputs required	4	3
Result	Asphalt required (tons)	Gallons needed (gal)
What it does	Compute tons of hot-mix asphalt (HMA) needed for a driveway or paving project from length, width, and thickness. Uses the standard 145 lb/ft³ compacted density.	Calculate how many US gallons of paint you need for a room. Uses the standard 350 sq ft/gallon coverage rate common on US paint cans, adjusted for number of coats.