Floral company Interflora spoke to 1,000 mums with kids under the age of 18 and found that they rack up a huge 119 hours of unpaid work every seven days - that is a really long week!
It calculated all the tasks a mum carries out in an average week – including head chef, housekeeper and personal shopper - before looking at the usual pay for these jobs.
For example, a head chef's earns an average of £16.83 an hour and a nanny earns £10.58.
This was then totted up to reveal the calculated "salary" they would get - £30,000 more than David Cameron's £142,000 earnings!
The survey also asked mothers what their biggest challenegs are, with a staggering 80 per cent listing emotional demands as the hardest task. Physical exhaustion and lack of training were also high on the list.
Mums also revealed the things they miss the most included girls' nights out and enjoying their favourite TV show.
Speaking about the study, brand manager Bethany Day said: "It's one of the toughest jobs in the world; the hours are long, you'll never get a promotion, and most of what you do goes unnoticed but ask any mum in the world and she'll tell you that motherhood is also the most rewarding job you'll ever have."
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