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What is equanimity?

Equanimity is evenness of mind: the tendency to stay proportionate when good things and bad things happen, rather than swinging far in either direction. In personality psychology it is one of the facets of Emotional Stability, the broad dimension covering worry, irritability and recovery. It describes the size of your reaction to events, not the absence of one.

Last updated September 16, 2026.

What does equanimity mean?

Equanimity comes from the Latin for an even mind, and that is still the best short definition. In ordinary use it describes someone who takes news, good or bad, without being carried away: the person who hears the result and neither celebrates for a week nor spirals for one. Contemplative traditions have used the word for centuries for a practised even-handedness. The personality sense is narrower, and is about the size of the swing.

In the trait bank the definition is this: how steady your mood stays when good or bad things happen, so you do not swing too far either way. Compressed further, it is the even keel beneath your moods: staying proportionate when events pull hard in either direction.

Two misreadings are worth heading off. Equanimity is not detachment: a person at the high end is moved by what happens to them, but they do not overshoot, and they return to centre. And it is not only about bad events. Over-elation counts as a swing: treating one good meeting as proof that everything is solved is the same pattern as treating one bad meeting as proof that nothing is.

Which personality dimension is equanimity part of?

Equanimity sits beneath Emotional Stability, and of the facets in this part of the model it is the closest to the dimension itself. Most research instruments score that dimension from the other end and call it Neuroticism, so a high equanimity score corresponds to a low Neuroticism score. Wellington keys it toward stability so that higher always means more of the quality on the label.

Because it sits so close to the core of the dimension, equanimity does not line up with one named facet the way its neighbours do. It maps onto the Neuroticism domain score as a whole, reverse-keyed, rather than onto Anxiety or Vulnerability alone (Costa & McCrae, 1992). Of the three facets the BFI-2 places beneath Negative Emotionality, Emotional Volatility is the nearest (Soto & John, 2017), and the public-domain IPIP pools supply open-licence items for the same ground under labels such as stability (Goldberg et al., 2006).

Between the domain and its facets sit two aspects, volatility and withdrawal (DeYoung et al., 2007). Equanimity leans toward volatility: it is about amplitude rather than the tendency to retreat. It is one of 6 traits Wellington reports beneath Emotional Stability; the hierarchy is in the Big Five facets, explained.

How is equanimity different from calmness and imperturbability?

The three are near-synonyms in a thesaurus and separate cleanly in behaviour, because each is a reading taken at a different moment. Calmness is resting tension, measured on a quiet day. Equanimity is amplitude, measured across the ups and downs of weeks. Imperturbability is measured in the minutes after a shock: whether you are knocked off balance at all.

A worked example makes it concrete. Three people get an unexpected promotion on Monday and an unexpected rejection on Friday. The calm one was not especially tense on the days in between. The even-minded one was pleased on Monday and disappointed on Friday, in about the right amounts. The imperturbable one might have swung a long way on Monday and still handled the Friday call without going blank.

Three neighbouring facets of Emotional Stability, told apart by when the reading is taken.
The questionCalmnessEquanimityImperturbability
When it is measuredAn ordinary dayAcross weeks of ups and downsThe minutes after a shock
The signalResting tensionThe size of the swingBeing knocked off balance
Does good news count?NoYes, over-elation countsNo

What does high equanimity look like?

High scorers are not unmoved. They are moved in proportion, and they come back to centre without being talked down or talked up.

  • Your mood on a given day is about the day, not a residue from last week.
  • Good news does not make you overpromise; bad news does not make you rewrite the plan.
  • Long projects suit you, because your effort does not track the week's weather.

The costs are quieter. An even response reads as not caring to people who show that something matters by reacting strongly. A steady mood also removes a signal others use, since partners and colleagues often work out that something is wrong by watching for the change. And an unmoved reaction to good news can flatten a shared moment.

What does low equanimity look like?

Low scorers live at higher contrast. The highs are genuinely high, the lows are heavy, and the distance between them is short.

  • You feel things at full strength, and the people close to you know where you are without asking.
  • Enthusiasm from you is real currency, because it is not rationed.
  • You notice shifts in a room early, because you register shifts in yourself.

The costs show up in decisions made at the peaks and troughs, in commitments given on a good day and withdrawn on a bad one, and in the energy the swings cost. The practical move is not to feel less but to slow the point where feeling turns into action: nothing sent, promised or cancelled inside the first hour. If mood swings are interfering with daily life, that is a question for a qualified professional rather than a questionnaire.

What does the research say about equanimity?

Facet-level evidence is thinner than domain-level evidence, so most of this belongs to Emotional Stability as a whole. Research reports it from the other end as Neuroticism, so the findings run opposite to an equanimity score.

  • Well-being. Personality accounts for a large share of the differences between people in subjective well-being, up to 39% of the variance in one meta-analysis (Steel et al., 2008). Early work separated the two sides of it: Extraversion tracks positive feeling and Neuroticism negative feeling (Costa & McCrae, 1980).
  • Relationships. Across 19 samples of intimate partners, a person's Neuroticism was the strongest personality correlate of their partner's relationship satisfaction (r = -.22), ahead of Agreeableness and Conscientiousness (Malouff et al., 2010). A reaction that overshoots has to be repaired afterwards.
  • Coping. Under stress, people higher in Neuroticism reported more wishful thinking, withdrawal and emotion-focused coping; people lower on it did more problem solving and cognitive restructuring (Connor-Smith & Flachsbart, 2007).
  • Age. Emotional Stability rises on average through adulthood, most clearly between the twenties and forties (Roberts et al., 2006).

Two people with the same domain score can differ completely in shape, one tense on quiet days and proportionate in a crisis, the other loose all week and thrown by one call. That is why inventories are built as hierarchies (Soto & John, 2017).

How does Wellington measure equanimity?

Wellington is a science-based personality assessment from Therabot Labs LLC. It measures personality as continuous traits, built on the Big Five and HEXACO models, and writes the results back as a personal report rather than a type.

The free Snapshot is 60 questions, about 7 minutes, across six dimensions: Extraversion, Agreeableness, Conscientiousness, Emotional Stability, Openness to Experience, Honesty-Humility. It reports Emotional Stability as a whole, not its facets. The first ten questions come before anything is asked of you; after question ten you sign in with an email address so answers are saved and results can be shown. There is no card.

Equanimity itself is measured by 7 statements on a five-point accuracy scale, and it is reported in the membership. The score is the average of those statements, placed against a reference sample as a percentile and shown in one of three bands: Quiet below the 30th percentile, Balanced to the 70th, High above. Those norms are provisional until the norming sample is complete. The bands and the Portrait names exist to make the result easier to talk about; the percentile is the measurement, and it is always shown alongside. Each band has a page written in advance by the writing and psychology team: The Full Spectrum (You live at full colour, and the colours change), The Returning Tide (You get pulled, and you come back) and The Even Keel (You are not unmoved; you are moved in proportion).

The Wellington Membership, $4.99 a month, adds the Portrait, 336 questions in 4 chapters, reaching 90 traits: all 6 facets beneath Emotional Stability, every other Big Five facet and the 24 VIA character strengths, then adds a weekly module over 104 weeks toward all 255 traits. See the methodology. Wellington is a wellness tool for reflection, not a medical or psychological diagnosis, and it does not replace care from a qualified professional. It is not for hiring, and you can export or delete your data at any time.

Questions people ask

Can equanimity change?
Modestly, and through practice rather than intention alone. A systematic review of intervention studies found trait change of about a third of a standard deviation over roughly six months, largest for Emotional Stability, and drawn mostly from therapy and counselling trials (Roberts et al., 2017). People who set a goal to change a trait also shifted on it over sixteen weeks, most of all when trained to make specific if-then plans (Hudson & Fraley, 2015).
What is the difference between equanimity and indifference?
Indifference is not caring what happens. Equanimity is caring and still responding in proportion. The test is what a person does next: someone indifferent does nothing, because the outcome does not matter to them, while someone even-minded takes the next sensible step. The facet measures how far you swing, not how much you care.
Is equanimity the same thing as mindfulness?
They are related but not the same kind of claim. Mindfulness names a practice and a state of attention. Equanimity as measured here is a trait: a person's usual amplitude of response across events, estimated from self-report statements and placed against other people. The contemplative use of the word is older and broader.
Does low equanimity mean you are too emotional?
No, and the phrasing does more harm than good. A low score describes a wide amplitude: strong highs, heavy lows, a short distance between them. It carries real advantages, including enthusiasm other people can feel and an early read on a room. The costs are decisions made at the peaks, which is a matter of timing rather than of feeling less.

Sources

Peer-reviewed sources for the claims above. Wellington's own reliability figures will be published once the norming sample is complete.

  1. Costa, P. T., & McCrae, R. R. (1992). Revised NEO Personality Inventory (NEO PI-R) and NEO Five-Factor Inventory (NEO-FFI) professional manual. Psychological Assessment Resources.
  2. Soto, C. J., & John, O. P. (2017). The next Big Five Inventory (BFI-2): Developing and assessing a hierarchical model with 15 facets to enhance bandwidth, fidelity, and predictive power. Journal of Personality and Social Psychology, 113(1), 117–143.
  3. Goldberg, L. R., Johnson, J. A., Eber, H. W., Hogan, R., Ashton, M. C., Cloninger, C. R., & Gough, H. G. (2006). The international personality item pool and the future of public-domain personality measures. Journal of Research in Personality, 40(1), 84–96.
  4. DeYoung, C. G., Quilty, L. C., & Peterson, J. B. (2007). Between facets and domains: 10 aspects of the Big Five. Journal of Personality and Social Psychology, 93(5), 880–896.
  5. Steel, P., Schmidt, J., & Shultz, J. (2008). Refining the relationship between personality and subjective well-being. Psychological Bulletin, 134(1), 138–161.
  6. Costa, P. T., & McCrae, R. R. (1980). Influence of extraversion and neuroticism on subjective well-being: Happy and unhappy people. Journal of Personality and Social Psychology, 38(4), 668–678.
  7. Malouff, J. M., Thorsteinsson, E. B., Schutte, N. S., Bhullar, N., & Rooke, S. E. (2010). The Five-Factor Model of personality and relationship satisfaction of intimate partners: A meta-analysis. Journal of Research in Personality, 44(1), 124–127.
  8. Connor-Smith, J. K., & Flachsbart, C. (2007). Relations between personality and coping: A meta-analysis. Journal of Personality and Social Psychology, 93(6), 1080–1107.
  9. Roberts, B. W., Walton, K. E., & Viechtbauer, W. (2006). Patterns of mean-level change in personality traits across the life course: A meta-analysis of longitudinal studies. Psychological Bulletin, 132(1), 1–25.
  10. Roberts, B. W., Luo, J., Briley, D. A., Chow, P. I., Su, R., & Hill, P. L. (2017). A systematic review of personality trait change through intervention. Psychological Bulletin, 143(2), 117–141.
  11. Hudson, N. W., & Fraley, R. C. (2015). Volitional personality trait change: Can people choose to change their personality traits? Journal of Personality and Social Psychology, 109(3), 490–507.

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