Calculator Units converterMass and linear weightHardness converterCaracteristic and carbon eqUnits converter Amount From To Result Length (m ↔ ft) m ft m ft Surface (mm² ↔ in²) mm ² in² mm² in² Volume (m³ ↔ ft³) m³ ft³ m³ ft³ Mass (kg ↔ lbs) kg lbs kg lbs Density (kg/m³ ↔ lbs/in³) kg/m³ lbs/in³ kg/m³ lbs/in³ Stress (N/mm² ou MPa ↔ ksi) N/mm² or MPa ksi N/mm² or MPa ksi Pressure (bar ↔ psi) bar psi bar psi Temperature (°C ↔ °F) °C °F °C °F Energy (J ↔ ft/lbf) J ft/lbf J ft/lbf