Physics

Calculate copper wire mass or length from AWG, diameter, or area, with derived area, diameter, volume, and mass per length.

Calculate density, mass, or volume with unit conversion and optional water displacement for irregular objects.

Enter any 2 isotropic elastic constants to solve E, G, K, nu, and lambda with unit conversion and stability checks.

Calculate elongation, engineering strain, percent elongation, true strain, and elastic extension with clear length-based or load-material modes.

Calculate factor of safety, allowable stress or load, required strength, and working value with clear yield vs ultimate basis guidance.

Estimate gold weight from size or find pure-gold content from measured weight in grams, troy ounces, ounces, and dwt.

Calculate angle of repose, height, or radius from a conical pile using radius or base diameter with clear unit-safe results.

Calculate shaft twist, torque, length, or required diameter for solid or hollow circular shafts with clear units and checks.

Calculate Poisson’s ratio, axial strain, or lateral strain with sign-aware inputs and optional dimension-change mode.

Calculate 2D plane-stress principal stresses, principal angles, mean stress, and maximum in-plane shear with clear sign handling.