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    Bean Freshness Calculator

    Type in the roast date on the bag — see exactly where you are in the freshness timeline, plus a brew note if you're past peak.

    Not the "best by" date — look for an actual roast date printed on the bag. If it only has a best-by date a year out, that's worth noticing on its own.

    Enter a roast date

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    Days since roast

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    Peak flavor window

    Days 14–28

    Where these windows come from

    Peak flavor (roughly 2-4 weeks after roast), gradual decline (1-2 months), and mostly-stale (past 2-3 months) are the same shelf-life windows from our fullHow to Store Coffee Beans Properly guide — this tool just does the date math for you instead of making you count weeks by hand.

    This is a one-time calculation, not a tracker — it remembers the last roast date you typed in this browser (so you don't have to re-enter it every visit), nothing more. Nothing you type is sent anywhere.

    If your beans are past peak and shots or cups are tasting flat, theGrind-Size Diagnostic can help you tell a freshness problem from a real grind problem.