One 1.5-oz shot of Kirkland Signature vodka (80-proof) has about 98 calories from alcohol alone.
1 Oz Shot
Standard Shot (1.5 Oz)
Double (2 Oz)
Straight Or Rocks
- No sugar or carbs
- Calorie load from ethanol only
- Slow sip keeps intake steady
Clean & Simple
Soda Or Tonic
- Seltzer adds 0 kcal
- Light tonic trims sugars
- Citrus wedge for bite
Light Mixer
Sweet Cocktails
- Juices & syrups spike kcal
- Smaller glass, more ice
- Measure pours
Watch The Mix
Calories In Kirkland Signature Vodka By Pour Size
Kirkland’s American and French vodkas are 80-proof (40% ABV). That means the calorie math matches any unflavored 80-proof vodka. The energy comes from ethanol at ~7 kcal per gram, not from sugar or carbs. A standard drink equals 1.5 fl oz of 40% spirits, which lands near 98 calories per shot based on the alcohol mass.
Quick Reference Table (80-Proof, Unflavored)
| Serving | Calories | Notes |
|---|---|---|
| 1 fl oz (30 ml) | ~65 | ~9.3 g ethanol |
| 1.25 fl oz (bar mini pour) | ~82 | Smaller shot size |
| 1.5 fl oz (standard shot) | ~98 | 1 drink-equivalent |
| 2 fl oz (double) | ~131 | ~18.7 g ethanol |
| 3 fl oz (martini base) | ~197 | Stirred with ice |
| 100 ml | ~221 | Metric quick check |
Once you know your daily calorie intake, it’s easy to budget a pour without derailing dinner.
Why The Numbers Look Consistent Across Brands
Two parts drive the count: proof and volume. Spirits at the same proof deliver near-identical calories for the same pour size, whether the label says American, French, or a big-name brand.
Proof Sets The Baseline
Proof is simply two times the alcohol by volume. So 40% ABV equals 80-proof. Spirits at 80-proof sit in the same calorie band for a 1.5-oz shot. The federal regulator explains the proof definition in plain terms, and that standard keeps comparisons clean. TTB’s proof FAQ covers the basics, and the Dietary Guidelines define a standard drink as 1.5 fl oz of 40% spirits.
Alcohol Delivers The Calories
Ethanol carries about 7 kcal per gram. If a pour contains more grams of alcohol, the total rises. No carbs or fat are needed to reach those numbers. That’s why an unflavored vodka pour looks lean on labels yet still packs energy.
American Vs French Bottles: Any Calorie Difference?
From a calorie standpoint, no. Both house vodkas are 40% ABV. Taste and mouthfeel may differ, but energy per ounce sits in the same lane when proof and pour size match.
How We Calculated The Calories
Here’s the simple method used by nutrition databases and beverage calculators:
Step-By-Step Math
- Pick the pour: 1.5 fl oz is the usual shot size.
- Convert to milliliters: ~44 ml.
- Find pure alcohol volume: 40% of 44 ml ≈ 17.6 ml ethanol.
- Convert to grams: ethanol density ~0.789 g/ml → ~13.9–14.0 g.
- Multiply by 7 kcal/g → ~98 kcal.
You can check the same logic with the NIAAA alcohol calorie calculator, which aligns with this range.
Do Mixers Change The Total?
Yes. The spirit brings a fixed base. Mixers swing the final tally up or down. Seltzer and diet mixers add almost nothing. Regular sodas, tonic, and juices add fast.
Practical Ways To Keep A Pour Light
- Build highballs with seltzer and a citrus wedge.
- Use light tonic when you want a quinine bite.
- Measure syrups and juices with a jigger, not the bottle.
- Chill glassware and use more ice for a slower sip.
Mixer Math For A 1.5-Oz Pour
The table shows typical add-ons you’ll see at home or bars. Totals pair a standard shot with a common mixer amount.
| Drink Build | Added Mixer Calories | Approx. Total |
|---|---|---|
| Shot + Seltzer (8 oz) | 0 | ~98 |
| Shot + Diet Tonic (8 oz) | 0 | ~98 |
| Shot + Regular Tonic (8 oz) | ~80 | ~178 |
| Shot + Cola (6 oz) | ~70–85 | ~168–183 |
| Shot + Orange Juice (4 oz) | ~55–60 | ~153–158 |
| Shot + Cranberry Juice Cocktail (4 oz) | ~60–70 | ~158–168 |
Serving Context And Portion Control Tips
Glassware And Pour Size
Rocks glasses vary. A “home pour” can creep past 2 oz without a jigger. Use a marked measure to keep servings consistent.
Pre-Batching For Parties
Mix light, carbonated bases in larger formats and keep spirits in measured bottles. Label the recipe with ounces per serving so guests know what they’re getting.
Calories By Proof: What Changes If The Bottle Is Stronger?
If you step up from 80-proof to 90- or 100-proof, the same 1.5-oz pour carries more alcohol grams, so the total rises. That’s why “higher proof, same glass” means a heavier tally even before any mixer joins.
Carbs, Sugar, And Flavored Vodkas
Plain vodka has no carbs and no sugar. Flavored versions can vary based on added sweeteners. When in doubt, treat sweetened flavors like a cocktail base, not like plain spirits.
Label Clarity: Why You Rarely See A Nutrition Panel
Spirits follow labeling rules set by the Alcohol and Tobacco Tax and Trade Bureau. Calories may appear when brands choose to include them, yet many skip a panel. TTB has active guidance and rulemaking about Alcohol Facts panels and related statements, aimed at standardizing what shows on bottles. See the current labeling page and the proposed rule summary for context: alcohol beverage labeling and the proposed Alcohol Facts statements.
Smart Ordering Moves At Bars
Keep It Crisp
Ask for soda water and citrus with your pour. You’ll keep flavor and bubbles while holding totals near the base count from the spirit.
Sweet Drinks In Smaller Glasses
When you want a lemon drop or a cosmo, go smaller and stick to one. Sugar syrups and juice drive most of the extra energy.
Batch-Made Cocktails
Some bars pre-batch popular drinks. Ask about pour size in ounces, not “house style,” so you can gauge the calorie impact.
Home Bar Cheatsheet
What To Stock
- Seltzer or club soda
- Fresh citrus
- Light tonic
- Bitters for aroma without sugar load
- A jigger with 1 oz and 1.5 oz marks
Frequently Tricky Spots
Martinis And “Dirty” Builds
Olive brine adds a small amount of sodium, not many calories. The calorie jump comes from larger spirit volumes in martini builds.
Bloody Mixes
Tomato juice mixes vary widely. Read the bottle. Some have added sugar, some don’t. The spirit portion stays the same; the mixer makes the difference.
When You’re Tracking Intake
Pick a method that’s easy to stick with. Some people log shots. Others log total ounces of 80-proof spirits. If a night includes doubles or cocktails, convert back to 1.5-oz drink-equivalents so the weekly picture stays honest. The Dietary Guidelines frame that drink-equivalent size clearly for spirits, wine, and beer, so you can compare across beverages.
Bottom Line For Calorie Budgeting
Unflavored 80-proof vodka gives you predictable numbers: about 65 kcal per ounce and ~98 kcal per standard shot. Keep pours measured, choose light mixers, and reserve the sweet builds for when you want a treat. If you want a deeper primer on energy balance and weight goals, you can skim our calories and weight loss guide.