Smirnoff is a brand of vodka owned and produced by the British company Diageo. As you asking I am telling Smirnoff is usually alcohol content between 30 to 50 percent .

Most Smirnoff products have an identifying number that is displayed on the label. Some of these numbers are:

21: Smirnoff Red Label, 37.5% or 40% ABV (location dependent).

21: Smirnoff North (previously Smirnoff Norsk). This is the classic Smirnoff Red
Label vodka flavoured with Nordic Berries. In the United Kingdom and some other markets, it is called Smirnoff Nordic Berries.

21: Smirnoff Classic Mix. Smirnoff No. 21 vodka premixed with either lime soda
or cola in a 70-cl bottle.

21: Smirnoff "Expertly Mixed". Smirnoff No. 21 vodka premixed with Cola or
Tonic Water in a 250ml can. Cola mix is 6.4% abv, Tonic is 7.5% abv.

21: Smirnoff Vodka and Cranberry Juice. Smirnoff No. 21 vodka premixed with
Ocean Spray Cranberry Juice in a 250-ml can.

21: Smirnoff Mule. Smirnoff No. 21 vodka premixed with ginger beer and lime,
4.8% ABV.

21: Smirnoff Espresso. Coffee-flavoured Smirnoff vodka, 37.5% ABV.

21: Smirnoff Peppermint Twist, 30% ABV. Holiday release 2015

27: Smirnoff Silver Label Vodka, 45.2% ABV.

55: Smirnoff Black, 40% ABV. A small-batch vodka that is produced in copper
stills.

57: Smirnoff Blue Label Vodka, 45% or 50% ABV (location dependent)

57: Smirnoff Dark Roasted Espresso. Espresso-flavored vodka, 50% ABV.

57: Smirnoff Spiced Root Beer. Root beer-flavored vodka, 50% ABV.

60: Smirnoff Vladimir, 40%. Available only in Poland.