Weight Conversion
Mass conversion units
Required Parameters
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Quick Answer
1 kg = 2.205 lbs. 1 lb = 453.6 g. 1 oz = 28.35 g. 1 metric tonne = 1000 kg = 2204.6 lbs. Mass is constant everywhere; weight depends on gravity.
Calculateur de Conversion de Poids
Convertissez entre unites de masse.
Design Notes
Component weight matters for shipping cost calculations, vibration analysis, and aerospace applications. A loaded PCB typically weighs 50-500g. BOM weight estimation helps predict shipping costs early in product design.
Common Mistakes
- 1
Confusing avoirdupois ounces (28.35g, everyday use) with troy ounces (31.1g, precious metals).
- 2
Mixing up metric tonnes (1000 kg) with US short tons (907 kg) or Imperial long tons (1016 kg).
- 3
Using 'weight' when 'mass' is meant — they are different physical quantities (weight = mass × gravity).
Knowledge Base
Combien de grammes dans une once ?
1 once (oz) = 28,3495 g. En conception PCB, l'épaisseur de cuivre est en oz/ft² : 1 oz = 35 µm, 2 oz = 70 µm.