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Quick answer
The Roterfaden Monthly Calendar is a slim undated booklet from Saarbrücken, Germany: 32 pages of 80 g/m² natural-white FSC paper with an orange dot grid, a recycled-cardboard cover and red open-thread binding. It has 12 double-page months, a 36-row to-do list on each spread, and costs €11.00 (about US$12.30).
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Notes on these facts
Made by Roterfaden (Saarbrücken, Germany). Made in Germany: Roterfaden's site says its notebooks are printed by small and medium-sized businesses in Germany and bound with red thread, and describes the range as 100% made in Germany. Price: example listing.
Price bands are typical US retail, checked October 2026. Conversions to US dollars are approximate, at October 2026 rates (US$1 = ¥158 = ₩1,330 = NT$32.5 = CN¥6.7 = SEK 9.9 = DKK 6.7 = ₺49.6 = C$1.41 = A$1.43 = CZK 21.7; €1 = US$1.12; £1 = US$1.32; CHF 1 = US$1.21).
Key takeaways
Roterfaden's site lists a slim, undated calendar with one double-page spread per month, 12 spreads for a calendar year, in 32 pages.
Each spread has a seasonal timeline, a calendar-week space, weekday names in German and English, a square box per day and a to-do list of 36 rows.
The paper is 80 g/m² natural white, FSC-certified, with an orange dot grid; the cover is 160 g/m² light grey cardboard from 100% certified recycled paper.
It is sewn with red thread, lies flat, and is listed in Format M at 14 × 20 cm, made to clip into the maker's Taschenbegleiter covers.
Roterfaden lists it at €11.00 (about US$12.30) including German VAT, and says it is made and printed in Germany.
What is the Roterfaden Monthly Calendar?
It is a slim, undated booklet that gives each month a double-page spread. Roterfaden, a small German maker in Saarbrücken, lists 12 spreads for a calendar year in 32 pages, sewn with red thread so it lies flat when open.
Because it is undated, you write in the month and the dates yourself. That makes it a monthly overview you can start in any month, and the booklet is a thin add-in for a notebook cover rather than a book on its own. For a dated monthly planner with a notebook attached, see our Leuchtturm1917 Monthly Planner 2027.
What does a month look like?
Each spread carries a seasonal timeline, a calendar-week space, weekday names, a box for every day and a 36-row to-do list. Roterfaden lists the weekday names in German and English, and says each day gets a square box with room for the date.
The inside paper is 80 g/m² natural white, FSC-certified, with an orange dot grid. The cover is 160 g/m² light grey cardboard made from 100% certified recycled paper, and Roterfaden’s product page mentions colored end paper. The binding is open thread binding in red.
We haven’t tested how pens behave on the paper, so we don’t make claims about show-through. Roterfaden’s pages don’t give a drying or bleeding rating either.
What size is it, and what does it fit?
It is Format M, listed at 14 × 20 cm in Roterfaden’s size chart. Roterfaden says you can clip its booklets, and other booklets or loose papers, into its Taschenbegleiter covers, and the chart pairs each booklet format with a cover format.
The chart lists booklet and cover sizes separately, so check the row for your cover before buying. A thin monthly booklet suits a cover that already holds a notebook.
How does it compare with other monthly planners?
Choose it if you want a thin, undated monthly page you can slip into a cover. A dated monthly planner with a notebook, like Leuchtturm1917’s, starts and ends on set months, and a weekly or daily book gives more room per day; see our best planners 2027 roundup. If you prefer a blank page and your own layout, the Maruman Septcouleur notebook has a 3 mm grid for drawing your own month.
How do you use an undated monthly calendar?
You fill in the month name and the dates yourself, so the booklet starts whenever you do. The weekday names and day boxes are already printed, so each month takes a minute to set up: write the month at the top, number the boxes from the right weekday, and note the calendar week where Roterfaden has left a space for it.
The 36-row to-do list gives each month its own task column, which means you can carry unfinished items forward by copying them onto the next spread. With 12 spreads in 32 pages, a year fits with a few pages spare, though Roterfaden’s page doesn’t say what the remaining pages hold. Because nothing is dated, a missed month costs you nothing, and a second booklet can run a project year in parallel.
Who makes it?
Roterfaden is a small maker in Saarbrücken, Germany, known for notebooks bound with red thread. Its site says it uses recycled or FSC-certified paper only and has printers in Germany do the work. The product page lists delivery times of one to three working days plus shipping, so check its shop for stock.
Where is it made, and what does it cost?
Roterfaden says its notebooks are printed in Germany and the range is 100% made in Germany. Its English shop lists the Monthly Calendar at €11.00 (about US$12.30) at 1.12 dollars to the euro, including 19% German VAT, with shipping extra. That places it in our $$ band ($5–20).
Frequently asked questions
What kind of calendar is the Roterfaden booklet?
A slim, undated booklet with one double-page spread for each month. Roterfaden says it has 12 double-page spreads for a calendar year, sewn with red thread so it lies flat.
How many pages does it have?
32 pages, per Roterfaden. The inside paper is 80 g/m² natural white, FSC-certified, printed with an orange dot grid.
What size is the Monthly Calendar?
Format M. Roterfaden's size chart lists its monthly calendar at 14 × 20 cm, the same as its Teacher's Calendar, project-planning and sketch booklets.
Is the Roterfaden Monthly Calendar dated?
No. It is undated, so you write the month and the dates yourself and can start in any month.
What is on each monthly spread?
A seasonal timeline at the top, a space for the calendar week, weekday names in German and English, a square box for every day with a space for the date, and a to-do list of 36 rows.
Does it fit a Roterfaden Taschenbegleiter cover?
Roterfaden says its booklets clip into its Taschenbegleiter covers, and the size chart pairs each booklet format with a cover format. Check the chart for your cover, since Format M books do not fit every size.
How much does it cost and where is it made?
Roterfaden lists €11.00 (about US$12.30) including German VAT, shipping extra. It says its notebooks are printed in Germany and the range is 100% made in Germany. That is our $$ band ($5–20).
