Radiance Unit Converter Enter Radiance Value: From Unit: -- Select Unit -- W·sr⁻¹·m⁻² (Watts per steradian per square meter) mW·sr⁻¹·cm⁻² (Milliwatts per steradian per square centimeter) erg·sr⁻¹·s⁻¹·cm⁻² (Ergs per steradian per second per square centimeter) To Unit: -- Select Unit -- W·sr⁻¹·m⁻² (Watts per steradian per square meter) mW·sr⁻¹·cm⁻² (Milliwatts per steradian per square centimeter) erg·sr⁻¹·s⁻¹·cm⁻² (Ergs per steradian per second per square centimeter) Convert Conversion Result Download PDF Report