Engineering Calculators

Your one-stop resource for precise engineering calculations. Professional-grade tools, beautifully designed, and completely free.

Accurate Results
User-Friendly
Mobile Responsive
Always Free

Popular Calculators

Friction
Calculate friction forces on various surfaces
New
Thermal Expansion
Calculate material expansion due to temperature change
New
Drill Point Depth
Calculate drill point depth from tool geometry
New
O-ring Calculator
Calculate O-ring dimensions and gland design

Why Choose EngiToolbox?

Engineering-Grade Accuracy

Every calculation is verified against engineering standards to ensure precision you can trust

Intuitive Interface

Simple, modern design that provides a seamless experience for engineers and students alike

Growing Collection

New calculators are regularly added to expand our comprehensive engineering toolkit

Ready to Streamline Your Engineering Workflow?

EngCalc provides precise engineering calculators to save you time and reduce errors. Start using our comprehensive toolkit today and focus on what matters most - your engineering projects.

Get Started Now

All calculations are provided for reference only. Always verify results according to your specific engineering requirements.