# Wks per YEar

Important Facts
New answer on Apr 25, 2021
3 Answers
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Anonymous A asked on Apr 24, 2021

Aren't there 52 weeks per year? This article mentions 50 weeks per year.

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Francesco
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replied on Apr 25, 2021
#1 Coach for Sessions (4.000+) | 1.500+ 5-Star Reviews | Proven Success (➡ InterviewOffers.com) | Ex BCG | 9Y+ Coaching

Hi there,

Yes, in a year there are 52 weeks. However, you can usually ask the interviewer if you can simplify things and use 50, in particular if you are doing market sizing/estimation.

It seems PrepLounge reported directly the approximated value. Same thing for the number of days in 3 years for which they reported 1000 instead of 1095.

It is important you explicitly ask the interviewer if you can approximate, as otherwise he/she may assume you made a mistake / don’t know the real value.

Best,

Francesco

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Ian
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replied on Apr 25, 2021
MBB | 100% personal interview success rate (8/8) and 95% candidate success rate | Personalized interview prep

Hi there,

In most cases, if you need to annualize a weekly number, you can use 50 weeks. Equally, to annualize a daily number you can use 350.

Of course, check with the interviewer beforehand to make sure that's alright!

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Antonello
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replied on Apr 25, 2021
McKinsey | MBA professor for consulting interviews

Hi, I confirm the correct number is 52 but oftentimes 50 is used to run calculation easier, especially in estimations.

Best,
Antonello

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Francesco gave the best answer

Francesco

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