Why weight matters before you order
Paper is sold in kilograms or tonnes, while production plans in sheets and run length. A conversion mistake means material shortage or paying for extra pallets.
Single sheet weight
Sheet weight (kg) = (width × height × gsm) ÷ 1,000,000,000
Dimensions in millimetres, grammage in g/m². Example: SRA3 (320×450 mm) at 150 gsm ≈ 0.022 kg per sheet.
From one sheet to the full run
- Count press sheets for the job (including makeready if not already added).
- Multiply by single-sheet weight.
- Round up to supplier pack size.
Use the print run weight calculator for format, gsm and sheet count in one step.
kg ↔ sheets
When the warehouse label says 80 kg and you need to know how many A4 sheets at 80 gsm that is, switch to paper weight calculator in weight-to-sheets mode.
Should I round up?
Yes — round to whole kilograms or supplier pack units for purchasing and freight.