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Tools that share one spine
Every tool runs the same precision engine and unit registry. No disconnected calculators.
Conversion
Unit ConverterConvert between length, mass, velocity, pressure and more with full dimensionality checks.
liveUnit CalculatorEvaluate compound engineering expressions with strict unit consistency and traceable results.
liveScientific CalculatorA full scientific calculator with trig, logs, powers, and constants.
liveMechanical
Torque CalculatorCompute torque, leverage, and bolt clamping force across metric and imperial systems.
livePressure & StressStress, strain and pressure conversions with safety-factor overlay.
soonBearing Life CalculatorCalculate L10 bearing life from dynamic load capacity and equivalent load per ISO 281.
liveISO 286 Fit CalculatorCalculate hole/shaft tolerance deviations and fit type per ISO 286.
liveThermal
Thermal & HeatHeat transfer, conductivity and temperature scaling across resistance networks.
soonFluid
Fluid FlowVolumetric and mass flow rates, Reynolds number, pipe sizing.
soonCAD
CAD ConverterConvert STEP and IGES files to STL directly in your browser.
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