Productivity · ~3 minutes
Will your habit stick?
Whether a habit lasts has less to do with willpower than with design. Name the habit you're building and rate how you've set it up — this scores it across the five factors research ties to habit formation, and shows you the one change likely to matter most.
Rate how much you agree with each statement about how you've set this habit up, from 1 (strongly disagree) to 5 (strongly agree). Answer for how things really are, not how you'd like them to be. Nothing is saved or sent anywhere.
Your habit
Your highest-leverage fixes
A design check, not a prophecy. This scores how you've set the habit up, not your willpower or worth — which is the point, because design is the part you can change. Even a well-built habit takes time: research found a median around 66 days to automaticity, but anywhere from about 18 to 250+. Good design shortens the odds; consistency does the rest.
About this instrument
What this measures — and what it doesn't
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Measures
Habit design strength
How well your habit is set up across five factors research links to formation: a consistent cue, low friction, frequent repetition, an immediate reward, and fit with your identity.
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Method
20-item agreement scale
Four statements per factor, half worded toward weak setups and reverse-scored, so simply agreeing with everything won't inflate your result. Scores are normalized per factor and averaged.
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Result
Strength + fixes
An overall design-strength score and band, a breakdown across the five factors, and specific fixes for your two weakest — the levers likely to help most for the least effort.
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Limits
Honest limits
It scores design, not destiny. Self-report reflects your read of your own setup, and formation still takes time and repetition. It's a mirror and a checklist, not a prediction or a guarantee.
Questions
Before you begin
What does the habit analyzer measure?
How well a habit you're building is designed to stick, across five factors research links to habit formation: a consistent cue, low friction, frequent repetition, an immediate reward, and fit with your identity. It scores your setup, not your willpower — which is the part you can actually change.
How long does it take to form a habit?
There's no magic number. A well-known study found a median of about 66 days to automaticity, but the range was enormous — from roughly 18 days to over 250, depending on the habit and person. Good design shortens the odds and the struggle; it doesn't put a fixed date on it.
Does a high score mean the habit will stick?
It means you've set it up well, which genuinely raises your chances — but design isn't destiny. Life disruptions, competing demands, and plain repetition over time all still matter. Treat a high score as good odds and a low score as a clear map of what to fix, not a prophecy.
Is my data saved anywhere?
No. Everything runs in your browser. The habit you name and your answers never leave your device and nothing is stored or sent to a server. Refreshing the page clears everything.
Go deeper
The science behind this instrument
Design the habit. Find the time for it.
See where your week goes and where a new habit could fit.
Try the time audit