Paper Weight Calculator

Convert paper weight in gsm to thickness in millimetres and microns, and work out what one sheet or a whole job weighs.

Sheet size

Custom uses the width and height below.

Custom sheet width mm

Only used when the sheet size above is set to Custom.

Custom sheet height mm

Only used when the sheet size above is set to Custom.

Paper weight gsm

The grams per square metre figure on the ream wrapper.

How many sheets

Bulk factor

One for a normal uncoated paper. Below one for coated stock, which is denser, and above one for felt or heavily textured paper.

Reset

Free calculator by Handcraft worked examples and methodology No account, nothing stored.