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Engineering & Construction

Construction, woodworking, HVAC, electrical, 3D printing, renewable energy, and more.

205 tools

3D Printing

8 tools

Filament, cost, and print time calculators.

Filament Cost Calculator Filament Cost Calculator Infill Weight Estimator +5 more

Acoustics

7 tools

Sound level, room acoustics, and audio calculators.

Decibel Addition Calculator Reverberation Time (RT60) Calculator Room Mode Calculator +4 more

Construction

37 tools

Concrete, brick, flooring, roofing, and material calculators.

Asphalt Calculator Brick Calculator CMU Block Calculator +34 more

Electrical & Electronics

38 tools

Voltage, current, power, and resistor calculators.

Battery Life Calculator Cable Ampacity Derating Calculator Cable Tray Fill Calculator +35 more

HVAC

17 tools

BTU, duct size, and HVAC calculators.

Boiler Output Calculator BTU Calculator BTU by Room Size +14 more

Materials

4 tools
Heat Conduction Calculator Thermal Expansion Calculator Thermal Expansion Calculator +1 more

Mechanical

9 tools
Bearing Life Calculator (L10) Bearing Life Calculator (L10) Belt Length Calculator +6 more

Plumbing

15 tools

Pipe sizing, flow rate, and plumbing calculators.

Drainage Fixture Units Calculator GPM to Pipe Size Estimator Pipe Thermal Expansion Calculator +12 more

Renewable Energy

12 tools

Solar panel, wind, and energy calculators.

Battery Bank Calculator Battery Bank Sizing Calculator EV Charging Time Calculator +9 more

Safety

9 tools

Fall distance, fire extinguisher, and safety calculators.

Confined Space Air Volume Calculator Crane Lift Capacity Estimator Fall Distance Calculator +6 more

Structural

23 tools

Beam, column, and load calculators.

Beam Bending Stress Calculator Beam Deflection Calculator Simply Supported Beam Deflection +20 more

Surveying

10 tools

Grade, slope, elevation, and surveying calculators.

Triangle Area from Coordinates Bearing to Azimuth Converter Horizontal Curve Length Calculator +7 more

Woodworking

16 tools

Board feet, cutting, and joinery calculators.

Board Feet Calculator Dado Depth Calculator Deck Board Calculator +13 more