Engineering calculators
Electrical, civil, mechanical, HVAC, and industrial calculators with practical engineering use cases.
58 tools
Charts and tables
PDF export
Free, no sign-up
Ohm's Law Calculator
Ohm's Law Calculator from Gizcalc helps you estimate results quickly within the Engineering category.
Calculate
Power Calculator
Power Calculator from Gizcalc helps you estimate results quickly within the Engineering category.
Calculate
Capacitor Charge Calculator
Capacitor Charge Calculator from Gizcalc helps you estimate results quickly within the Engineering category.
Calculate
Resistor Color Code Calculator
Resistor Color Code Calculator from Gizcalc helps you estimate results quickly within the Engineering category.
Calculate
Voltage Divider Calculator
Voltage Divider Calculator from Gizcalc helps you estimate results quickly within the Engineering category.
Calculate
Current Divider Calculator
Current Divider Calculator from Gizcalc helps you estimate results quickly within the Engineering category.
Calculate
3-Phase Power Calculator
3-Phase Power Calculator from Gizcalc helps you estimate results quickly within the Engineering category.
Calculate
Solar Panel Output Calculator
Solar Panel Output Calculator from Gizcalc helps you estimate results quickly within the Engineering category.
Calculate
Battery Runtime Calculator
Battery Runtime Calculator from Gizcalc helps you estimate results quickly within the Engineering category.
Calculate
LED Resistor Calculator
LED Resistor Calculator from Gizcalc helps you estimate results quickly within the Engineering category.
Calculate
Transformer Ratio Calculator
Transformer Ratio Calculator from Gizcalc helps you estimate results quickly within the Engineering category.
Calculate
Wire Gauge Calculator
Wire Gauge Calculator from Gizcalc helps you estimate results quickly within the Engineering category.
Calculate
Load Flow Calculator
Load Flow Calculator from Gizcalc helps you estimate results quickly within the Engineering category.
Calculate
Pipe Flow Calculator
Pipe Flow Calculator from Gizcalc helps you estimate results quickly within the Engineering category.
Calculate
Pressure Drop Calculator
Pressure Drop Calculator from Gizcalc helps you estimate results quickly within the Engineering category.
Calculate
Reynolds Number Calculator
Reynolds Number Calculator from Gizcalc helps you estimate results quickly within the Engineering category.
Calculate
Beam Deflection Calculator
Beam Deflection Calculator from Gizcalc helps you estimate results quickly within the Engineering category.
Calculate
Column Buckling Calculator
Column Buckling Calculator from Gizcalc helps you estimate results quickly within the Engineering category.
Calculate
Stress Strain Calculator
Stress Strain Calculator from Gizcalc helps you estimate results quickly within the Engineering category.
Calculate
Factor of Safety Calculator
Factor of Safety Calculator from Gizcalc helps you estimate results quickly within the Engineering category.
Calculate
Gear Ratio Calculator
Gear Ratio Calculator from Gizcalc helps you estimate results quickly within the Engineering category.
Calculate
Torque Calculator
Torque Calculator from Gizcalc helps you estimate results quickly within the Engineering category.
Calculate
RPM Calculator
RPM Calculator from Gizcalc helps you estimate results quickly within the Engineering category.
Calculate
Hydraulic Cylinder Calculator
Hydraulic Cylinder Calculator from Gizcalc helps you estimate results quickly within the Engineering category.
Calculate
HVAC Load Calculator
HVAC Load Calculator from Gizcalc helps you estimate results quickly within the Engineering category.
Calculate
Cooling Capacity Calculator
Cooling Capacity Calculator from Gizcalc helps you estimate results quickly within the Engineering category.
Calculate
Concrete Mix Design Calculator
Concrete Mix Design Calculator from Gizcalc helps you estimate results quickly within the Engineering category.
Calculate
Steel Weight Calculator
Steel Weight Calculator from Gizcalc helps you estimate results quickly within the Engineering category.
Calculate
Civil BOM Estimator
Civil BOM Estimator from Gizcalc helps you estimate results quickly within the Engineering category.
Calculate
Paint Coverage Calculator
Paint Coverage Calculator from Gizcalc helps you estimate results quickly within the Engineering category.
Calculate
Soil Bearing Capacity Calculator
Soil Bearing Capacity Calculator from Gizcalc helps you estimate results quickly within the Engineering category.
Calculate
Earthwork Volume Calculator
Earthwork Volume Calculator from Gizcalc helps you estimate results quickly within the Engineering category.
Calculate
Electrical Bill Calculator
Electrical Bill Calculator from Gizcalc helps you estimate results quickly within the Engineering category.
Calculate
Generator Sizing Calculator
Generator Sizing Calculator from Gizcalc helps you estimate results quickly within the Engineering category.
Calculate
UPS Sizing Calculator
UPS Sizing Calculator from Gizcalc helps you estimate results quickly within the Engineering category.
Calculate
Pump Head Calculator
Pump Head Calculator from Gizcalc helps you estimate results quickly within the Engineering category.
Calculate
Flow Rate Calculator
Flow Rate Calculator from Gizcalc helps you estimate results quickly within the Engineering category.
Calculate
Heat Transfer Calculator
Heat Transfer Calculator from Gizcalc helps you estimate results quickly within the Engineering category.
Calculate
Thermal Resistance Calculator
Thermal Resistance Calculator from Gizcalc helps you estimate results quickly within the Engineering category.
Calculate
dB Calculator
dB Calculator from Gizcalc helps you estimate results quickly within the Engineering category.
Calculate
Frequency Calculator
Frequency Calculator from Gizcalc helps you estimate results quickly within the Engineering category.
Calculate
Wavelength Calculator
Wavelength Calculator from Gizcalc helps you estimate results quickly within the Engineering category.
Calculate
PLC Scan Time Estimator
PLC Scan Time Estimator from Gizcalc helps you estimate results quickly within the Engineering category.
Calculate
PCB Trace Width Calculator
PCB Trace Width Calculator from Gizcalc helps you estimate results quickly within the Engineering category.
Calculate
Ohms Law Solver
Ohms Law Solver from Gizcalc helps you estimate results quickly within the Engineering category.
New
Calculate
Series Parallel Resistor Calculator
Series Parallel Resistor Calculator from Gizcalc helps you estimate results quickly within the Engineering category.
New
Calculate
Series Parallel Capacitor Calculator
Series Parallel Capacitor Calculator from Gizcalc helps you estimate results quickly within the Engineering category.
New
Calculate
Power Factor Correction Calculator
Power Factor Correction Calculator from Gizcalc helps you estimate results quickly within the Engineering category.
New
Calculate
Motor Efficiency Calculator
Motor Efficiency Calculator from Gizcalc helps you estimate results quickly within the Engineering category.
New
Calculate
Cable Sizing Voltage Drop Calculator
Cable Sizing Voltage Drop Calculator from Gizcalc helps you estimate results quickly within the Engineering category.
New
Calculate
Short Circuit Current Estimator
Short Circuit Current Estimator from Gizcalc helps you estimate results quickly within the Engineering category.
New
Calculate
Solar Battery System Sizing Calculator
Solar Battery System Sizing Calculator from Gizcalc helps you estimate results quickly within the Engineering category.
New
Calculate
Reinforcement Bar Weight Calculator
Reinforcement Bar Weight Calculator from Gizcalc helps you estimate results quickly within the Engineering category.
New
Calculate
Column Load Capacity Calculator
Column Load Capacity Calculator from Gizcalc helps you estimate results quickly within the Engineering category.
New
Calculate
Slab Thickness Calculator
Slab Thickness Calculator from Gizcalc helps you estimate results quickly within the Engineering category.
New
Calculate
Plinth Carpet Super Built-Up Calculator
Plinth Carpet Super Built-Up Calculator from Gizcalc helps you estimate results quickly within the Engineering category.
New
Calculate
Footing Depth Calculator
Footing Depth Calculator from Gizcalc helps you estimate results quickly within the Engineering category.
New
Calculate
Brick Quantity Estimator
Brick Quantity Estimator from Gizcalc helps you estimate results quickly within the Engineering category.
New
Calculate
No calculators match your search
Try a different word, or clear the search to see every tool in Engineering.
