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How To Calculate Your Estimated Blood Alcohol Content (BAC)

Blood Alcohol David M. Manilla

Showing estimated percent of alcohol in the blood by number of drinks in relation to body weight. This percent can be estimated by:

1. Count your drinks (1 drink equals 1 ounce of 100-proof liquor, one five ounce glass of table wine or one 12-ounce bottle of regular beer).

2. Use the chart below and under number of “drinks” and opposite “body weight” find the percent of blood alcohol listed.

3. Subtract from this number the percent of alcohol “burned up” during the time elapsed since your first drink. This figure is .015% per hour. (Example: 180 lb. man – 8 drinks in 4 hours / .167% minus (.015×4) = .107 %

DRINKS
Body weight 1 2 3 4 5 6 7 8 9 10 11 12
100 lb. .038 .075 .113 .150 .188 .225 .263 .300 .338 .375 .413 .450
110 lb. .034 .066 .103 .137 .172 .207 .241 .275 .309 .344 .379 .412
120 lb. .031 .063 .094 .125 .156 .188 .219 .250 .281 .313 .344 .375
130 lb. .029 .058 .087 .116 .145 .174 .203 .232 .261 .290 .320 .348
140 lb. .027 .054 .080 .107 .134 .161 .188 .214 .241 .268 .295 .321
150 lb. .025 .050 .075 .100 .125 .151 .176 .201 .226 .251 .276 .301
160 lb. .023 .047 .070 .094 .117 .141 .164 .188 .211 .234 .258 .281
170 lb. .022 .045 .066 .088 .110 .132 .155 .178 .200 .221 .244 .265
180 lb. .021 .042 .063 .083 .104 .125 .146 .167 .188 .208 .229 .250
190 lb. .020 .040 .059 .079 .099 .119 .138 .158 .179 .198 .217 .237
200 lb. .019 .038 .056 .075 .094 .113 .131 .150 .169 .188 .206 .225
210 lb. .018 .036 .053 .071 .090 .107 .125 .143 .161 .179 .197 .215
220 lb. .017 .034 .051 .068 .085 .102 .119 .136 .153 .170 .188 .205
230 lb. .016 .032 .049 .065 .081 .098 .115 .130 .147 .163 .180 .196
240 lb. .016 .031 .047 .063 .078 .094 .109 .125 .141 .156 .172 .188
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BLOOD ALCOHOL AND PHYSICAL IMPAIRMENT CHART

Blood Alcohol David M. Manilla

Blood Alcohol Concentration (% w/v) Stage of Alcohol Influence Clinical Signs/Symptoms
0.09-0.25 Excitement Beginning sensory-motor impairment Slow information processing

Loss of efficiency in finer performance tests

Emotional instability; loss of critical judgment

Impairment of perception, memory, and comprehension

Decreased sensory response; increased reaction time

Reduced visual acuity, peripheral vision and glare recovery

Sensory-motor incoordination; impaired balance

Drowsiness
0.18-0.30 Confusion Disorientation, mental confusion; dizziness

Exaggerated emotional states (fear, rage, etc.)

Disturbances of vision (diplopia, etc.)

Increased pain threshold

Increased muscular incoordination; staggering gait, slurred

speech

Apathy, lethargy
0.25-0.40 Stupor General inertia; approaching loss of motor

functions

Markedly decreased response to stimuli

Marked muscular incoordination; inability to

stand or walk

Vomiting; incontinence of urine or feces

Impaired consciousness; sleep or stupor
0.35-0.50 Coma Complete unconsciousness; coma; anesthesia

Depressed or abolished reflexes

Subnormal temperature

Incontinence of urine or feces

Impairment of circulation and respiration

Possible death
0.45+ Death Death from respiratory arrest
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Conversion Tables

Blood Alcohol David M. Manilla

Metrics Made Easy

Metrics Made Easy
5.00L = 169.0oz 750.0ML = 25.4oz
4.00L = 135.0oz 500.0ML = 16.9oz
3.00L = 101.0oz 375.0ML = 12.7oz
2.00L = 67.6oz 1.75L 355.0ML = 12.0oz
1.75L = 59.2oz 200.0ML = 6.8oz
1.50L = 50.7oz 187.5ML = 6.3oz
1.00L = 33.8oz .50ML = 1.7oz

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Caloric Guide To Alcoholic Beverages

WINES Calories pet’ ounce

(approx.)
Red table wine 18
Dry white table wine 20
Champagne (brut) 21
Champagne (extra dry) 29
Catawba (sweet) 30
Madeira 32
Port (U.S.) 43
Porto (imported) 39
Sherry (U.S.) 36
Sherry (dry, imported) 32
Vermouth (dry; French) 27
Vermouth (sweet, Italian) 44
MALT BEVERAGES Calories per 8 ounces

(approx.)
Beer 100
Ale 150
SPIRITS Calories per ounce

(approx.)
Brandies 70-44
Gin 69
Rum (Jamaica) 147
Rum (Puerto Rico) 74
Vodka; 80 prf 70
Whiskey (Canadian & Scotch) 74
Whiskey (Irish & U.S.) 84
LIQUEURS Calories per ounce

(approx.)
Benedictine; Chartreuse,

Drambuie, & other proprietary

& generic liqueurs

 100-200
BITTERS Calories

per teaspoon
Aromatic bitters 10

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The following are some guidelines to use in calculating

quantities of drinks per bottle:

DRINKS PER BOTTLE & BOTTLE SIZE

Distilled Spirits & Liqueurs

(Based on 1.5 ounces, Liquor Serving: Per Drink)

Bottles 1 2 4 6 8 10 12
750 ML (25.4 oz.) 16 33 67 101 135 169 203
1 Liter (33.8 oz.) 22 45 90 135 180 225 270
1.75 Liters (59.2 oz.) 39 78 157 236 315 394 473

Wine & Champagne

(Based on 5 ounces, Wine Serving: Per Glass)

Bottles 1 2 4 6 8 10 12
750 ML (25.4 oz.) 5 10 20 30 40 50 60
1 Liter (33.8 oz.) 6 13 27 40 54 67 81
1. 5 Liters (50.7 oz.) 10 20 40 60 81 101 121
3 Liters (101 oz.) 20 40 80 121 161 202 242
4 Liters (135 oz.) 27 54 108 162 216 270 324
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