Engineering calculators and references

Practical engineering tools, all in one place.

Browse calculators, conversion tools, material data, property tables, and reference resources for everyday engineering work.

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Calculators Engineering calculators for everyday problem solving. Start with electrical, structural, fluids, thermodynamics, mechanical, materials, geometric, and mathematical tools. Open calculators Unit converters Convert engineering units without friction. Convert pressure, force, torque, power, energy, flow, viscosity, thermal, electrical, and geometry units. Convert units Glossary Definitions for engineering terms. Look up terminology, symbols, concepts, and definitions across major engineering disciplines. Search glossary Materials Compare material properties quickly. Search density, modulus, yield strength, thermal properties, and other practical engineering data. Explore materials Resources Charts, formula sheets, and references. Find structural steel tables, fastener charts, geometry sheets, command references, and engineering guides. Browse resources Tables Reference property tables. Look up air, water, steam, refrigerants, standard conditions, material properties, and common constants. View tables Tools Practical utilities for technical work. Use graphing tools, plotting utilities, PDF helpers, timers, notes, and quick productivity tools. Open tools

Engineering reference workspace

Built for Fast Technical Decisions

EngLab brings together calculators, material properties, unit converters, reference tables, formula sheets, and technical tools for early-stage design, study, estimating, and day-to-day engineering checks. The pages are structured to help you move quickly from a formula or property lookup to a useful result.

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Ohm's Law Calculator Voltage, current, resistance, and power Beam Bending Calculator Support reactions, shear, and moment checks Unit Converter SI, metric, imperial, and US customary units Air Property Tables Standard atmosphere and air reference data Von Mises Stress Calculator Equivalent stress for ductile material checks Pressure Drop Calculator Pipe flow friction and head loss estimates