What is gutter margin for Amazon KDP?

Gutter is the extra inside margin needed so text does not get swallowed by the book spine binding. It increases with page count (0.375" up to 150 pages, 0.500" up to 300 pages, up to 0.875" for thick books).

How do mirror margins work for paperback printing?

Mirror margins place the gutter on the left side of odd (right) pages and on the right side of even (left) pages. Our tool applies this transformation automatically.

Amazon KDP Manuscript Formatter & Gutter Margin Calculator

Automatically format PDF book manuscripts for Amazon KDP trim sizes, alternating mirror margins (gutter), running headers, and page numbering.

PDF

1. Manuskript (PDF) hochladen

PDF-Manuskript auswählen oder ablegen

Wird 100% lokal im Browser an KDP-Maße & Bundsteg angepasst

2. KDP Ziel-Buchformat

US Trade - Der weltweite Bestseller-Standard für Sachbücher, Ratgeber & Romane

3. Bundsteg & Ränder (Amazon KDP Vorgabe)

Spiegelränder (Mirror Margins)

Wechselnder Bundsteg für linke und rechte Seiten

Bundsteg (Innenrand)

9.5 mm

(0.375")

Außen-, Oben-, Untenrand

6.3 mm

(0.25")

4. Kolumnentitel & Seitenzahlen

Buchtitel (Kopfzeile rechte Seite)

Autor (Kopfzeile linke Seite)

Seitenzahlen einfügen

Position

Erste Seiten ohne Nummer

KDP Buchseiten-Layout (Doppelseite)

6" × 9" (15.24 × 22.86 cm)

Autor Name

BUND

Buchtitel

BUND

Erforderlicher Bundsteg

9.5 mm

Sicherheits-Außenabstand

6.3 mm

Amazon KDP Status

100% Valide

How it works

Simply upload your file using the dropzone above. Our cloud-based processing engine will handle the heavy lifting and provide you with a high-quality result in seconds.

Safe & Secure

Your privacy is our priority. Files are processed over encrypted connections and automatically deleted from our servers after 2 hours.

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