521 kg to lbs (Kilograms to Pounds) ConversionBy Rachel Taylor / February 15, 2025 Converting 521 (kg) Kilograms to Pounds (kg to lbs) with our conversion calculator. 521 Kilograms to Pounds equals 1148.61 lbs. FromKilograms = Pounds We are converting 521 kg to lbs with our conversion calculator. 521 kg to lbs equals 1148.61 lbs. Related >> 127 kg to lbs (Kilograms to Pounds) Conversion