CalculatorUnits converterMass and linear weightHardness converterCaracteristic and carbon eqUnits converter AmountFromToResultLength (m ↔ ft) mft mft Surface (mm² ↔ in²)mm ²in² mm²in² Volume (m³ ↔ ft³)m³ft³ m³ft³ Mass (kg ↔ lbs)kglbs kglbs Density (kg/m³ ↔ lbs/in³)kg/m³lbs/in³ kg/m³lbs/in³ Stress (N/mm² ou MPa ↔ ksi)N/mm² or MPaksi N/mm² or MPaksi Pressure (bar ↔ psi)barpsi barpsi Temperature (°C ↔ °F)°C°F °C°F Energy (J ↔ ft/lbf)Jft/lbf Jft/lbf