Professional Engineering Tools

Precision Engineering Calculations in Seconds

Access professional-grade calculators and reference tables for strength of materials, fasteners, geometry, and hydraulics—all free and instant.

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50+ Calculators

Comprehensive engineering calculation tools

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Real-time engineering calculations

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Theory & Examples

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Main calculators categories

Explore our comprehensive of engineering calculators, organized by discipline

Strenght of Materials & Mechanics

Calculate bending stress, torsion, shear stress, buckling loads, fatigue limits, and section modulus for structural components.

Fluid Mechanics

Compute flow rate, pressure drop, Reynolds number, pump power, hydraulic line sizing, and fluid dynamics relationships.

Thermodynamics

Compute heat flux, conduction, convection, radiation, steam properties, gas laws, combustion parameters, thermal efficiency, and energy balance in thermal systems.

Materials & Properties

Access density, thermal conductivity, modulus of elasticity, hardness, allowable stresses, fatigue properties, and standard mechanical characteristics for engineering materials.

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Bending Stress Calculator

Calculate bending stress in beams under various loading conditions. Includes support for multiple cross-sections and loading types with detailed step-by-step solutions.

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Flow Rate Calculator

Determine flow rates in pipes and channels for various fluids. Calculate velocity, volumetric flow, and mass flow with comprehensive fluid properties database.

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Professional Tools Built By Engineers, For Engineers

Every calculator is designed with precision and validated against industry standards. Get accurate results instantly with comprehensive documentation and examples.

Theory & Examples Included
Every calculator comes with detailed theoretical background, formulas, and worked examples so you understand the engineering principles.

Instant, Accurate Results
Get immediate calculations with step-by-step breakdowns. No waiting, no registration, no downloads required

Works Anywhere
Fully responsive design means you can use our calculators on any device—desktop, tablet, or smartphone—in the office or on-site.

Always Free
All calculators, reference tables, and materials database are completely free. No hidden costs, no premium tiers, no limits.