Notebook Cover Size & Compatibility Guide

Choosing a cover for a 2027 planner or notebook? Start with the paper size, notebook model or binding system you already use. Use the sections below to compare compatible sizes and find the matching leather cover.

Sizes can vary between brands and models. Before ordering, confirm the measurements shown in the Size & Compatibility section on the individual product page. Notebooks and paper inserts are not included unless stated otherwise.

Choose Your Format

Ring Binders & Smart Ring

Choose this format for refillable loose-leaf paper held by a ring mechanism. Use the insert measurements—not the size name alone—to confirm fit.

• A7 ring — 125 × 82 mm (4.9 × 3.2 in) — 6-ring
• A6 / Personal ring — 171 × 95 mm (6.7 × 3.7 in) — 6-ring
• A5 ring — 210 × 148 mm (8.3 × 5.8 in) — 6-ring
• B5 ring — 255 × 180 mm (10.0 × 7.1 in) — 9-ring or 26-ring

Smart Ring covers use the same insert dimensions with a slimmer mechanism that folds 360°. Paper inserts are not included.

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Discbound Planners

Choose this format for removable, rearrangeable disc-punched paper. Dimensions are height × width; match both the paper size and disc count.

• Pocket — 140 × 95 mm (5.5 × 3.7 in) — 5 discs
• Mini — 178 × 118 mm (7.0 × 4.6 in) — 7 discs
• A5 — 210 × 148 mm (8.3 × 5.8 in) — 8 discs
• Junior / Half Letter — 216 × 140 mm (8.5 × 5.5 in) — 8 discs
• Classic / Midway — 235 × 178 mm (9.3 × 7.0 in) — 9 discs
• Letter / Big — 279 × 216 mm (11.0 × 8.5 in) — 11 discs
• A4 — 297 × 210 mm (11.7 × 8.3 in) — 11 discs

The appropriate number of Layers of LeRoi solid brass discs is included. Paper inserts are not included.

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Fixed Notebooks & Brand Formats

Choose this format for bound notebooks that slide into a made-to-measure leather cover.

Standard model options include selected Midori MD, Hobonichi, Moleskine, Field Notes and Nolty notebooks. Select the exact brand and model at checkout; size names alone are not enough because dimensions and thickness can vary between models.

For a Filofax Refillable Notebook or any model not listed, select Custom Size and provide the brand, model, and closed height × width × thickness in millimetres. Measure the notebook itself, not an existing cover.

The notebook is not included.

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Legal Pad & Notepad Covers

Choose this format for top-bound writing pads held in a dedicated pad slot. Dimensions are height × width.

• 4×6 Pocket — 152 × 102 mm (6.0 × 4.0 in)
• 5×8 Junior — 203 × 127 mm (8.0 × 5.0 in)
• 5.5×8.5 Medium — 216 × 140 mm (8.5 × 5.5 in)
• Letter / US Letter — 279 × 216 mm (11.0 × 8.5 in)

Measurements refer to the compatible paper pad, not the finished leather portfolio. Select the size that matches your pad. Paper pad and pen are not included.

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