Construction Calculators
161 calculators
Construction calculators for materials, measurements, and building.
All Construction Calculators
Gallons per Minute Calculator
Computes flow rate in gallons per minute (GPM) from a measured volume over time.
Gallons per Square Foot Calculator
Calculates application rate (gal/ft²) and coverage (ft²/gal) from total gallons and area.
Gambrel Roof Calculator
Free online Gambrel Roof Calculator. Quickly calculate and get instant results.
Glass Weight Calculator
Free online Glass Weight Calculator. Quickly calculate and get instant results.
Gravel Calculator
Calculate gravel or fill material needed.
Gravel Driveway Calculator
Free online Gravel Driveway Calculator. Quickly calculate and get instant results.
Grout Calculator
Estimates grout volume and weight from tile size, joint width, thickness, area, grout density, and w
Heat Loss Calculator
Computes envelope + infiltration heat loss (BTU/hr) from UA, ACH, building volume, and indoor/outdoo
Hoop House Calculator
Estimates hoop count and plastic cover area/film length for a hoop house based on span, length, and
Insulation Calculator
Calculate insulation materials needed.
Junction Box Sizing Calculator
Estimates minimum junction box volume using standard conductor fill allowances (NEC box-fill method,
K Factor Calculator
Computes thermal resistance R and transmittance U from thermal conductivity (k) and thickness (stead
Ladder Angle Calculator
Calculates ladder angle and height reached from ladder length and base distance, plus recommended ba
Limestone Calculator
Estimate limestone volume and weight from area, depth, density, and waste factor.
Liters per Minute Calculator
Compute liters per minute from volume and time, with L/s and US GPM conversions.
Log Weight Calculator
Free online Log Weight Calculator. Quickly calculate and get instant results.
Lumber Calculator
Calculate lumber in board feet.
Lumber Weight Calculator
Free online Lumber Weight Calculator. Quickly calculate and get instant results.
Material Removal Rate Calculator
Calculate material removal rate from removed volume and elapsed time.
Metal Roof Cost Calculator
Free online Metal Roof Cost Calculator. Quickly calculate and get instant results.
Metal Weight Calculator
Free online Metal Weight Calculator. Quickly calculate and get instant results.
Miter Angle Calculator
Find the miter cut angle for two equal pieces forming a given corner angle.
Mortar Calculator
Free online Mortar Calculator. Quickly calculate and get instant results.
Mulch Calculator
Calculate mulch needed for landscaping.