Can I change my scale? If you think you are eligible for a different scale, you can contact one of our colleagues. We would be happy to take a look with you. Gerelateerde vragen How do I recognise the peak surcharge on my invoice? How do I calculate the volume of a parcel with unequal sides? What does 1dm3 mean? Does the PostNL volume surcharge also apply to return parcels within the Netherlands? Could several surcharges be applied for the same parcel shipment?