About the Stress Score Calculator

What it is

The Stress Score Calculator is an educational self-reflection tool based on the Holmes-Rahe Social Readjustment Rating Scale (SRRS), first published in 1967 by psychiatrists Thomas H. Holmes and Richard H. Rahe. The scale consists of 43 common life events, each assigned a "Life Change Unit" (LCU) value representing the average readjustment effort required by that event in the original study.

You tick the events that have happened to you in the past 12 months, and the tool totals your LCUs into a single score. That score is placed in one of three general bands (low, moderate, or high) based on the thresholds Holmes and Rahe identified. The result comes with a supportive, non-alarming explanation of what the score means in context — along with a clear account of the scale's limitations.

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The Holmes-Rahe scale — background

Holmes and Rahe developed the scale by surveying thousands of people about significant life events and asking them to rate how much readjustment each event required. "Marriage" was set as an anchor at 50 LCUs, and all other events were rated relative to it. The resulting 43-item list, published in the Journal of Psychosomatic Research (1967), became one of the most widely cited stress-measurement tools in psychology.

In a prospective follow-up study, Holmes and Rahe found statistical associations between higher LCU totals over a 12-month period and a greater likelihood of reporting a health change in the following year. The three bands commonly cited are:

These figures are population-level associations from the original 1967 study. They are not individual predictions.

The 43 events and their LCU weights

The standard LCU weights used in this tool are the original Holmes-Rahe values (Holmes & Rahe, 1967):

Source: Holmes, T.H. & Rahe, R.H. (1967). "The Social Readjustment Rating Scale." Journal of Psychosomatic Research, 11(2):213–218.

Known limitations of the scale

The Holmes-Rahe scale is widely cited but also widely critiqued. Understanding its limits is important for interpreting your score honestly:

A note on tone and framing

Life can be genuinely hard. The events on this scale — bereavement, illness, job loss, relationship breakdown — are among the most difficult experiences a person can face. This tool is designed to acknowledge that honestly while also offering realistic, supportive context.

A high score is not a sentence. It's a reflection of a demanding year. Many people come through periods of intense change with their health intact — particularly when they have support, self-awareness, and space to rest. If your score is high, we hope this calculator prompts you to be kind to yourself, not to be anxious about your future.

If you're struggling, please talk to someone — a trusted friend, your GP, or a therapist. You don't need a high stress score to justify seeking support.

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