Sorry but your question is wrong.
FIrst of all, it doesn't make any sense to say one litre of water 1 mm deep.
Second, how can it equal to 1 square meter of water?
Maybe you spelled litre wrong and you were trying to say metre.
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1 liter is 33.81 fluid ounces.
1000 ml
3.55 litres
1 liter is equal to approximately 0.59 bottles of water.
About 33.8 fluid ounces.