Kira Ketebalan Tulang Buku
Kira lebar tulang buku yang tepat mengikut ketebalan kertas dan bilangan halaman fizikal.
Bookbinder Spine Settings
About This Tool
The PDF Spine Bookbinder is a pre-press savior for designers, self-publishing authors, and commercial bidding teams.
When compiling thick book catalogs, bidding proposals, or annual directories, perfect binding (glue binding) requires a cover with precise spine coordinates. If the spine width is off by even 1mm, the bound cover will warp, shift, or crease. Calculating page counts against paper weight is complex and error-prone.
This tool utilizes a physically modeled GSM paper-to-thickness library. Simply input your PDF page count and select paper stock (e.g. 80 GSM offset, 100 GSM glossy). The engine calculates spine width down to micrometers and compiles a print-ready, extra-wide cover PDF complete with standard front/back flaps and precise fold mark creases.
How to Use
Muat Naik Fail
Pilih fail dari peranti anda atau seret dan lepaskan ke sini.
Pilih Pilihan
Sesuaikan tetapan mengikut keperluan dokumen anda.
Proses dan Muat Turun
Klik butang muat turun setelah fail selesai diproses.
Use Cases
Thick Bidding Proposals
Design professional cover sheets with precise spine crease alignments for thick tender bids.
Thesis Hardcover Binding
Map out perfect spine layout widths for university master/doctorate degree theses.
Self-Publishing Novel Covers
Calculate book spine width easily before submitting files to Print-on-Demand publishing services.
Frequently Asked Questions
Highly accurate. Our physics library matches industry averages (e.g. 70 GSM = 0.09mm, 80 GSM = 0.10mm, 150 GSM glossy = 0.125mm). We also include a "Double-sided printing" toggle to halve calculations automatically.