useful life
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useful life
The period of time over which an item, piece of equipment, or building is expected to be usable economically or technically. After the useful life has expired, the object is often depreciated or must be replaced.
Die steuerliche Nutzungsdauer für einen neuen Laptop beträgt in der Regel drei Jahre.
The tax useful life for a new laptop is usually three years.
This word is made up of 'Nutzung' (use) and 'Dauer' (duration). 'Nutzung' comes from the verb 'nutzen' (to use), and 'Dauer' means 'Zeitraum' (period of time). So 'Nutzungsdauer' (useful life) is literally the period of use.
Die erwartete Nutzungsdauer der Maschine beträgt zehn Jahre.
The expected useful life of the machine is ten years.
'Nutzungsdauer' (useful life) is a technical term from business, law, and technology. It is often used in connection with taxes, depreciation of equipment, or the durability of products.
Für die Abschreibung ist die betriebsgewöhnliche Nutzungsdauer entscheidend.
For depreciation, the ordinary useful life of the asset is decisive.
Common adjectives are 'wirtschaftliche' (economic), 'technische' (technical), or 'betriebsgewöhnliche' (ordinary for business purposes) with 'Nutzungsdauer' (useful life). Typical verbs are 'eine Nutzungsdauer haben' (to have a useful life) or 'die Nutzungsdauer beträgt' (the useful life is/amounts to).
Die technische Nutzungsdauer des Akkus ist auf etwa 500 Ladezyklen begrenzt.
The technical useful life of the battery is limited to about 500 charging cycles.
runtime / term
'Laufzeit' and 'Nutzungsdauer' both describe a period of time. 'Laufzeit' often means the time during which a contract is valid or a technical process is running. 'Nutzungsdauer', on the other hand, means how long an object, piece of equipment, or building can be used sensibly or economically. The words can be confusing because both point to duration and time. 'Laufzeit' fits better with contracts, programs, or ongoing processes. 'Nutzungsdauer' fits better with things that are used over years and eventually replaced.
Die Nutzungsdauer der Maschine liegt bei ungefähr zehn Jahren.
The useful life of the machine is about ten years.
Heute prüft ihr die Laufzeit des neuen Handyvertrags.
Today you are checking the term of the new mobile phone contract.