This comprehensive unit converter is designed for mechanical engineers across all industries, ensuring precise and reliable conversions based on approved international standards. Select a category, input your value, choose your units, and get instant results.

Supported Categories:

• Pressure: From Pascal to PSI, Bar, and more.
• Flow (Volumetric): Convert between Liters/second, CFM, GPM, etc.
• Energy: J, kJ, calories, kWh, BTU, ft-lb.
• Temperature: Celsius, Fahrenheit, Kelvin, Rankine.
• Length: Metric and Imperial units (mm, cm, m, km, inch, foot, mile).
• Mass: kg, g, mg, lb, oz, tonne.
• Volume: m³, Liters, gallons, cubic feet.
• Power: W, kW, HP, BTU/hr, ft-lb/s.
• Torque: N·m, lbf·ft, lbf·in.
• Velocity: m/s, km/h, mph, ft/s.
• Area: m², cm², ft², in².
• Density: kg/m³, g/cm³, lb/ft³.
• Force: N, kN, lbf, kgf.
• Frequency: Hz, kHz, MHz, RPM, rad/s.
• Mass Flow Rate: kg/s, lb/s, tonne/hr.
• Dynamic Viscosity: Pa·s, poise, centipoise, lbf·s/ft².
• Kinematic Viscosity: m²/s, stokes, centistokes.
• Specific Volume: m³/kg, ft³/lb.
• Specific Energy/Heating Value: J/kg, BTU/lb.
• Thermal Conductivity: W/(m·K), BTU/(hr·ft·°F).
• Heat Transfer Coefficient: W/(m²·K), BTU/(hr·ft²·°F).
• Power Density: W/m³, HP/in³.
• Moment of Inertia (Mass): kg·m², lbm·ft².
• Acceleration: m/s², ft/s², km/h·s, mph/s.
• Thermal Resistance: K/W, °C/W, °F·hr/BTU.
• Specific Heat Capacity: J/(kg·K), kJ/(kg·K), BTU/(lb·°F).
• Linear Momentum: N·s, kg·m/s, lbf·s, lb·ft/s.
• Angular Momentum: N·m·s, kg·m²/s, lbf·ft·s, lb·ft²/s.
• Heat Flux (Power per Area): W/m², BTU/(hr·ft²).
• Angular Velocity: rad/s, deg/s, RPM.
• Angular Acceleration: rad/s², deg/s², RPM/s.
• Modulus of Elasticity: Pa, GPa, psi, ksi.
• Spring Constant: N/m, kN/m, lbf/in, lbf/ft.
• Surface Tension: N/m, dyne/cm, lbf/in.
• Thermal Expansion Coefficient: 1/K, 1/°C, 1/°F.
• Area Moment of Inertia: m⁴, cm⁴, in⁴, ft⁴.