BAC UNITS BY COUNTRY

FRANCE : g / L
UNITED STATES / AUSTRALIA / CANADA : % cg / mL
GERMANY / NETHERLAND / LITHUANIA$ : mg / mL
U.K : µg / mL
FINLAND / NORWAY / SWEDEN / DENMARK : mg / g
MEDICAL UNITS : mmol / L

BAC LEGAL LIMITS BY COUNTRY

• Zero tolerance,

Romania
Saudi Arabia
Slovakia
United Arab Emirates
Brazil
Bangladesh
Czech Republic

• 0.2 g/L – 0.02% (cg / mL) – 0.2 mg/L – 200 µg / L

Estonia
Hungary
Poland
Norway
Sweden

• 0.3 g/L – 0.03% (cg / mL) – 0.3 mg/L – 300 µg / L

India (note: In the State of Kerala, a policy of zero tolerance has developed.)
Japan
Russia
Uruguay

• 0.4 g/L – 0.04% (cg / mL) – 0.4 mg/L – 400 µg / L

Lithuania (0.2 g/L – 0.02% for drivers in their first two years after gaining a driving license)
Saskatchewan

• 0.5 g/L – 0.05% (cg / mL) – 0.5 mg/L – 500 µg / L

Argentina (0.2 g/L – 0.02% for motorbikes, 0.00 g/L for truck/taxi/bus drivers)
Australia (0.2 g/L – 0.02% for Australian Capital Territory learner, probationary & convicted DUI drivers, 0.2 g/L – 0.02% for truck/bus/taxi, 0.00 g/L for learner drivers, provisional/probationary drivers (regardless of age) and DUI drivers in all other states)
Austria
Belgium
Bulgaria
Canada: British Columbia, Ontario, Manitoba, Newfoundland, Nova Scotia (0.05 g/L is a 24-hour suspension and a fine, 0.8 g/L – 0.08% is a D.U.I. charge)[10] (0.00 g/L for drivers with class G1 or G2 licenses in Ontario, or class 7 or 5P in the Northwest Territories, or drivers with a under the Graduated License System in Manitoba, and Alberta, or class 7 or 7L in British Columbia, or class 7 and 5N in Nova Scotia
Costa Rica
Croatia
Denmark
Finland
France (0.25 g/L – 0.025% for bus drivers)[12]
Germany (0.00 g/L for learner drivers, all drivers 18-21 and newly licensed drivers of any age for first two years of licence)
Greece
Hong Kong
Iceland
Italy
Israel
Latvia (0.2 g/L – 0.02% for drivers in their first two years after gaining a driving license)
Luxembourg
Macedonia (0.00 g/L for drivers in their first two years after gaining a driving license)
Netherlands (0.2 g/L – 0.02% for drivers in their first five years after gaining a driving license)
Peru
Portugal
Serbia
Slovenia (0.00 g/L for drivers in their first two years after gaining a drivers licence)
South Africa
Spain (0.3 g/L – 0.03% for drivers in their first two years after gaining a driving licence and common carriers, such as buses, trucks…)
Switzerland
Thailand
Turkey

• 0.8 g/L – 0.08% (cg / mL) – 0.8 mg/L – 800 µg / L

Canada. Please note that within this subsection of the criminal code of Canada, one can be charged for impaired driving without necessarily having a blood alcohol content of greater than 0.8 g/L – 0.08%.
0.5 g/L – 0.05% can get you a 24 hour suspension. If one is a new driver (2 years) they may not have any alcohol in their blood.[dubious – discuss]
Malaysia
Malta
Mexico
New Zealand (0.3 g/L – 0.03% for drivers under 20)
Ireland
Singapore
United Kingdom (0.2 g/L – 0.02% for operators of fixed-wing aircraft)
United States

Source : Wikipédia