messbar
measurable
Something that can be recorded and quantified using instruments or numbers.
Der Anstieg der Feinstaubbelastung in der Stadt ist deutlich messbar.
The increase in particulate matter pollution in the city is clearly measurable.

measurable
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measurable
Something that can be recorded and quantified using instruments or numbers.
Der Anstieg der Feinstaubbelastung in der Stadt ist deutlich messbar.
The increase in particulate matter pollution in the city is clearly measurable.

The word consists of the verb 'messen' (to measure) and the ending '-bar'. The ending '-bar' with verbs means 'can be ...' and thus forms adjectives. 'Messbar' (measurable) therefore literally means 'can be measured'.
Die Temperaturveränderung ist mit diesem Gerät genau messbar.
The change in temperature is precisely measurable with this device.
'Messbar' (measurable) belongs to the word family of 'messen' (to measure). If you know the verb 'messen' (to measure) and the noun 'die Messung' (the measurement), you can easily work out the meaning of 'messbar' (measurable).
Die Messung ergab einen messbaren Unterschied zum Vortag.
The measurement showed a measurable difference compared with the previous day.
You can recognize the figurative meaning 'spürbar' (noticeable) from the fact that 'messbar' (measurable/noticeable) is combined with abstract nouns such as 'Erfolg' (success), 'Fortschritt' (progress), or 'Verbesserung' (improvement). In that case, it is not about an exact number, but about a clear change.
Nach dem Training war ein messbarer Fortschritt zu sehen.
After the training, noticeable progress could be seen.
noticeable / palpable
'spürbar' and 'messbar' can both mean that an effect is clear. The difference lies in how you recognize that effect. 'spürbar' is used when people feel, notice, or perceive something, for example less pain or more calm. 'messbar' is more precise when something can be shown with numbers, data, or instruments, for example a temperature or an improvement in a test. Sometimes 'messbar' is also used more generally to mean 'clear' or 'noticeable', but then it sounds more factual. Learners confuse the words because both describe a clear change. When it is about feeling or perception, 'spürbar' fits better; when numbers are possible, 'messbar' fits better.

Die Temperatur im Raum ist nach zehn Minuten messbar gestiegen.
The temperature in the room has measurably risen after ten minutes.
Nach der neuen Medizin sind die Schmerzen spürbar schwächer.
After taking the new medicine, the pain is noticeably weaker.