TNT Equivalent Calculator

Convert energy, TNT mass, or explosive mass into TNT equivalent with clear units, TNT factor options, and readable outputs.

Work Calculator

Calculate work, net work from speeds, or friction work with clear units, signs, and step-by-step physics formulas.

Pressure Calculator

Calculate pressure, force, or area, plus fluid depth pressure with unit conversion, gauge vs absolute results, and input checks.

Reduced Mass Calculator

Calculate reduced mass, or solve for mass 1 or mass 2, with unit handling, validation, and quick physics checks.

Normal Force Calculator

Calculate normal force on a flat surface or incline, including angled forces, contact loss, and optional friction limits.