Press Fit Calculator
Interference fit analysis: contact pressure, assembly force, and hub stress for shaft-hub connections.
Coming soonResources
Engineering Resources
The Fastener Calculator is available now and runs client-side with no sign-up required. Additional engineering tools are in development and will be published when ready.
Available now
In development
21 tools. Expand a category to browse.
Fasteners & Joints3 tools in development
Bolted, pressed, welded and dimensional joint analysis.
Weld Joint Calculator
Fillet and butt weld stress analysis per Eurocode 3 and AWS D1.1 standards.
Coming soon
Tolerance Stack-Up
Worst-case, RSS, and Monte Carlo tolerance analysis for dimension chains with contribution breakdown.
Coming soonDrives & Motion5 tools in development
Power transmission, motion profiles and control sizing.
Gear Train Calculator
Spur, planetary, harmonic, cycloidal, and worm drive sizing: ratio, torque, and efficiency for multi-stage trains.
Coming soon
Belt & Chain Drive Calculator
V-belt, timing belt, and roller chain drive sizing.
Coming soon
Cam Profile Designer
Motion laws, pressure angle, curvature analysis for disk cams.
Coming soon
Motor Sizing
Load inertia and motion profile analysis for servo and stepper motor selection.
Coming soon
PID Tuning Simulator
Interactive step response, Bode plot, and auto-tuning rules for PID controllers.
Coming soonRobotics2 tools in development
Kinematics and workspace tools for serial & cable robots.
Robot Kinematics
Interactive FK/IK visualizer: DH parameters, Jacobian, singularities for serial manipulators.
Coming soon
Cable Robot Workspace
Feasible workspace, cable tensions, and wrench analysis for cable-driven parallel robots.
Coming soonStructural & Fatigue7 tools in development
Strength, stability, fatigue and dynamic isolation.
Beam Deflection
Interactive bending moment, shear force, and deflection diagrams for common beam configurations.
Coming soon
Shaft Fatigue Analyzer
DIN 743 shaft strength verification with notch effects and Goodman correction.
Coming soon
Column Buckling Calculator
Euler, Johnson, Eurocode 3 with standard steel profiles.
Coming soon
Bearing Life Calculator
ISO 281 bearing life (L10/L10m) for ball and roller bearings.
Coming soon
Spring Design
Compression, extension, and torsion spring sizing with stress and fatigue life estimation.
Coming soon
Hydraulic Cylinder Calculator
ISO 3320 cylinder sizing, Euler buckling, Lamé wall thickness.
Coming soon
Vibration Isolator Calculator
SDOF transmissibility, natural frequency, mount selection.
Coming soonThermal & Fluids3 tools in development
Heat transfer and pipe flow design tools.
Thermal Resistance
Layer-by-layer thermal resistance network for electronics cooling and enclosure design.
Coming soon
Heat Exchanger Calculator
LMTD and NTU-effectiveness methods for 4 configurations.
Coming soon
Pipe Flow Calculator
Darcy-Weisbach, Colebrook-White, Moody chart, fittings library.
Coming soonUtilities1 tool in development
General-purpose engineering helpers.
Unit Converter
20 categories, 148 units covering mechanical, thermal, and fluid domains.
Coming soonStay in the loop
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