Drywall Calculator

Calculate drywall sheets and materials needed

Sheets = Total Area / Sheet Size | Include 10-15% waste for cuts

Room Length (ft)

Room Width (ft)

Ceiling Height (ft)

Number of Rooms

Sheet Size

Include Ceiling

Doors Count

Windows Count

Drywall Material Estimates

Wall Area = Perimeter × Height
Net Area = Total - Doors - Windows

Standard door = 21 sq ft (3' × 7')
Standard window = 12 sq ft (3' × 4')
Joint compound = ~0.05 gal per sq ft
Tape = ~2 ft per sq ft

All Engineering Calculators

Ohm's Law

V=IR calculations

Voltage Drop

Electrical wiring

BTU

Heating/cooling load

Square Footage

Area measurement

Concrete

Concrete volume needed

Resistor

Resistor color code

Electricity

Electrical calculations

Horsepower

Engine power

Roofing

Roofing materials

Stair

Stair dimensions

Tile

Tile quantity needed

Mulch

Mulch volume

Gravel

Gravel volume

Pipe Volume

Pipe capacity

Water Heater

Heater size needed

Insulation

Insulation needed

Fence

Fencing materials

Drywall

Drywall sheets needed

Paint

Paint quantity needed

Flooring

Flooring materials