Leaf & Spine

Text / Book / Offset grade

45 lb text paper

45 lb text paper is about 67 g/m². Equivalent to 17.7 lb bond / writing. Book interiors (lightweight), notebooks, forms. Basis weight is measured on 500 sheets of 25 x 38 in.

66.6 g/m²grammage
≈ 83 µmthickness (uncoated)

Same paper in other grades

GradeEquivalent
Bond / Writing17.7 lb
Cover24.6 lb
Index36.8 lb
Bristol30.4 lb
Newsprint / Tag40.9 lb

Typical uses

Book interiors (lightweight), notebooks, forms. Common in mass-market and long paperbacks to control thickness and postage.

See the closest metric weight: 64 gsm.

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