Use this calculator to work out how much nicotine to add to your shortfills to get the strength you want.

Works for any strength nicotine or shortfill size. Just enter the details below.

To make 3mg nicotine strength

50ml Shortfill: Add 1 x 18mg Nic Shot

100ml Shortfill: Add 2 x 18mg Nic Shot

To make 6mg nicotine strength (50ml sizes only)

50ml Shortfill: Add 2.5 x 18mg Nic Shot