What Is The Weight Of A Sheet Of Paper?

The weight of a sheet of paper depends on the size of the sheet and the thickness of the paper, known as grammage internationally and basis weight in North America. The tables below give the weights of sheets of the ISO 216 A paper sizes for various common grammages (e.g. 80gsm, 90gsm, 120gsm) in grams in the first table and in ounces in the second table.

The ISO A series paper sizes are 4A0, 2A0, A0, A1, A2, A3, A4, A5, A6, A7, A8, A9 and A10, see A Paper Sizes for more information and here for US Paper Sizes.

Weights Of Sheets Of A Series Paper Sizes In Grams

Size75gsm80gsm90gsm100gsm110gsm120gsm160gsm
4A0300g320g360g400g440g480g640g
2A0150g160g180g200g220g240g320g
A075g80g90g100g110g120g160g
A137.5g40g45g50g55g60g80g
A218.75g20g22.5g25g27.5g30g40g
A39.38g10g11.25g12.5g13.75g15g20g
A44.69g5g5.63g6.25g6.88g7.5g10g
A52.34g2.5g2.81g3.13g3.44g3.75g5g
A61.17g1.25g1.41g1.56g1.72g1.88g2.5g
A70.59g0.63g0.70g0.78g0.86g0.94g1.25g
A80.29g0.31g0.35g0.39g0.43g0.47g0.63g
A90.15g0.16g0.18g0.20g0.21g0.23g0.31g
A100.07g0.08g0.09g0.10g0.11g0.12g0.16g

 

Weights Of Sheets Of A Series Paper Sizes In Ounces

Size75gsm80gsm90gsm100gsm110gsm120gsm160gsm
4A010.582oz11.288oz12.699oz14.110oz15.521oz16.932oz22.575oz
2A05.291oz5.644oz6.349oz7.055oz7.760oz8.466oz11.288oz
A02.646oz2.822oz3.175oz3.527oz3.880oz4.233oz5.644oz
A11.323oz1.411oz1.587oz1.764oz1.940oz2.116oz2.822oz
A20.661oz0.705oz0.794oz0.882oz0.970oz1.058oz1.411oz
A30.331oz0.353oz0.397oz0.441oz0.485oz0.529oz0.705oz
A40.165oz0.176oz0.199oz0.220oz0.243oz0.265oz0.353oz
A50.083oz0.088oz0.099oz0.110oz0.121oz0.132oz0.176oz
A60.041oz0.044oz0.050oz0.055oz0.061oz0.066oz0.088oz
A70.021oz0.022oz0.025oz0.028oz0.030oz0.033oz0.044oz
A80.010oz0.011oz0.012oz0.014oz0.015oz0.017oz0.022oz
A90.005oz0.006oz0.006oz0.007oz0.007oz0.008oz0.011oz
A100.002oz0.003oz0.003oz0.004oz0.004oz0.004oz0.006oz

Conversion tables for Basis Weight to Grammage Conversion