Printable Habit Streak Chart (Free PDF)
One habit, one hundred boxes. Fill a box a day and watch the run of them get long enough to be worth protecting.

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Fillable PDF — type into the fields online or in any PDF viewer before printing.
This is a single-habit sheet, which is what makes it different from a month grid where fifteen habits compete for the same evening. The page carries one habit, written across the top in a line of its own, a hundred boxes in a ten by ten grid, and nothing else to dilute it. Every tenth row is marked down the right edge so you can see at a glance that you are at sixty without counting.
Under the habit line is a ruled panel for why it matters to you, in your own words. Three weeks in, when the novelty has gone, that sentence is the thing that gets read. At the foot of the page two more panels ask the questions that decide whether a streak survives: what your plan is for the day you miss one, and what you give yourself at a hundred.
Choose numbered boxes, which print 1 to 100 with a tick box in each, or blank boxes you can date, colour in or cross off by hand. Numbered boxes are fillable, so you can tick them in a PDF viewer on a phone; blank boxes are text fields, so you can type the date you did it. One page, US Letter or A4, and if a day gets missed the advice printed on the sheet is to fill the next box rather than start again.

