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Construction & Trade Calculators
16 free construction & trade calculators.
🎨Construction & Trade CalculatorsPaint
Free paint calculator. Estimate how many gallons of paint you need for any room. Enter wal…Open →
💨Construction & Trade CalculatorsRoom CFM
Free room CFM calculator. Calculate required HVAC airflow (CFM) from room dimensions and a…Open →
❄️Construction & Trade CalculatorsCooling Airflow
Free cooling airflow calculator. Convert air conditioning tons to CFM. Calculate required …Open →
🌡️Construction & Trade CalculatorsSensible Heat
Free sensible heat airflow calculator. Calculate required CFM from BTU/h and temperature d…Open →
🚿Construction & Trade CalculatorsBath Exhaust
Free bathroom exhaust fan calculator. Calculate the required CFM for a bathroom exhaust fa…Open →
⚡Construction & Trade CalculatorsWatts & Amps
Free watts to amps calculator. Convert volts and amps to watts and kilowatts. Essential fo…Open →
🔌Construction & Trade CalculatorsVoltage Drop
Free voltage drop calculator. Calculate voltage drop, drop percentage, and voltage at load…Open →
🔩Construction & Trade CalculatorsPipe Volume
Free pipe volume calculator. Calculate the volume of water in a pipe in gallons and liters…Open →
📐Construction & Trade CalculatorsDrain Slope
Free drain slope calculator. Calculate the required drop for a drain pipe based on run len…Open →
🌬️Construction & Trade CalculatorsWind Chill
Free wind chill calculator. Calculate the apparent temperature (feels like) based on air t…Open →
🌡️Construction & Trade CalculatorsHeat Index
Free heat index calculator. Calculate the apparent temperature (feels like) based on air t…Open →
🪜Construction & Trade CalculatorsStair Calculator
Free stair calculator. Calculate number of stairs, riser height, tread depth, and stringer…Open →
🏠Construction & Trade CalculatorsRoofing
Free roofing calculator. Calculate roofing squares, shingle bundles, and material needed f…Open →
🌱Construction & Trade CalculatorsMulch & Gravel
Free mulch and gravel calculator. Calculate cubic yards and bags of mulch, gravel, or tops…Open →
🔲Construction & Trade CalculatorsTile Calculator
Free tile calculator. Calculate how many tiles you need for any floor or wall area, includ…Open →
🧱Construction & Trade CalculatorsConcrete
Free concrete calculator. Enter slab length, width, and thickness to get cubic yards, cubi…Open →