Engineering Calculators
Professional-grade calculators for engineers. Convert units, calculate material properties, and solve technical problems with precision.
All Engineering Calculators
Showing 24 of 44 calculators
Air Flow Calculator (CFM)
Calculate air flow rate (CFM), duct velocity, and duct sizing for HVAC systems. Determine ventila...
Battery Calculator
Calculate battery capacity, runtime, charging time, and battery bank sizing. Supports multiple ba...
Beam Load Calculator
Calculate beam deflection, bending stress, and maximum load capacity for simply supported and can...
Capacitance Calculator
Use our free capacitance calculator for parallel-plate capacitors, series and parallel combinatio...
Carpet Calculator
Calculate exactly how much carpet you need for any room or commercial space. Enter room dimension...
Cloud Cost Calculator
Estimate and compare cloud computing costs across AWS, Azure, and GCP. Calculate pricing for comp...
Concrete Calculator
Calculate concrete volume and materials needed for your construction project. Supports slabs, foo...
Duct Sizing Calculator
Calculate the correct HVAC duct size based on airflow (CFM), velocity, and duct type. Supports ro...
EV Charging Calculator
Calculate EV charging time, cost, and energy usage for any electric vehicle. Compare Level 1, Lev...
Electrical Power Calculator
Calculate electrical power, current, voltage, or resistance from any two known values. Supports D...
Electricity Cost Calculator
Calculate electricity costs for any appliance based on wattage, usage hours, and your electricity...
Fence Calculator
Calculate posts, panels, gates, concrete and total cost for any residential or commercial fence p...
Force Calculator
Calculate force using Newton's second law (F=ma), net force from multiple forces, weight, frictio...
Frequency and Wavelength Calculator
Convert between frequency, wavelength, wave speed and period for any wave type. Supports light, s...
Fuel Consumption Calculator
Calculate your vehicle's fuel consumption, trip cost, and CO2 emissions. Supports both metric (L/...
Gear Ratio Calculator
Calculate gear ratios, output speed, and torque multiplication for gear trains, sprockets, pulley...
HVAC Load Calculator
Calculate HVAC heating and cooling load requirements using Manual J simplified methodology. Deter...
Heat Transfer Calculator
Calculate heat transfer through materials using conduction, convection, and radiation formulas. D...
Kinetic Energy Calculator
Calculate kinetic energy (KE = ½mv²) for any object given its mass and velocity, or solve the e...
Material Strength Calculator
Calculate normal stress (σ = F/A), shear stress (τ = V/A), bending stress (σ = Mc/I), strain (...
Mulch Calculator
Calculate exactly how much mulch you need for any garden bed, tree ring, flower border or playgro...
Ohm's Law Calculator
Free Ohm's Law calculator. Solve for voltage (V), current (I), resistance (R), or power (P) using...
Paint Calculator
Calculate exactly how much paint you need for any interior or exterior project. Enter room dimens...
Pipe Flow Calculator
Calculate fluid flow rate, velocity, pressure drop, and Reynolds number for pipes. Determine if f...