| To calculate the cost in £ per 1000 sheets given the price in pence per Kg and weight in Kg per 1000 sheets: |
(Price in pence per Kg x Kg per 1000 sheets) / 100 |
| To calculate the cost in £ per 1000 sheets given the price in & per tonne (1000Kg) and weight in Kg per 1000 sheets: |
(Price in £ per tonne x Kg per 1000 sheets) / 1000 |
| To calculate the number of sheets per tonne (1000Kg), given Kg per 1000 sheets of the paper: |
1000000 / Kg per 1000 sheets |
| To calculate the cost per 1000 sheets of a size in (mm) given the price in £ per square metre: |
Price x Sheet Dimensions / 1000 |
| To calculate the grammage, given sheet size in (mm) and weight in Kg per 1000 sheets: |
Kg per 1000 sheets x 1000000 / [length in (mm) x width in (mm)] |
| To calculate the weight in Kg of a quantity ordered in sheets, given weight in Kg per 1000 sheets: |
(Kg per 1000 sheets x number of sheets) / 1000 |
| To calculate the thickness of a book in (mm) given the volume basis of the paper, grammage and the number of the pages: |
(Volume basis x number of pages x gsm) / 20000 |
| To convert i) inches to millimetres or ii) paper or board in thou. to microns: |
Multiply by 25.4 |
| To convert: yards to meters |
Multiply by 0.914 |
| To convert: Ib to Kgs |
Divide by 2.204 |
| To calculate the number of sheets per tonne (1000Kg), given Kg per 1000 sheets: |
1000000 / Kg per 1000 sheets |
| To calculate the number of square meters per tonne, given the grammage: |
1000000 / gsm |
| To calculate the cost per square metre, given the price in £ per tonne and grammage |
£ per tonne x gsm / 1000 |
| To obtain weight in Kg per 1000 sheets, given sheet size in (mm) and grammage: |
[length in (mm) x width in (mm) x gsm] / 1000000 |