{"success":true,"version":"v1","request":{"tool":"get_calculator_schema","calculator_id":"cocktail-abv"},"result":{"entity_type":"calculator","id":"cocktail-abv","calculator_id":"cocktail-abv","canonical_url":"https://tttkmbb.com/food/cocktail-abv","name":"Cocktail ABV Calculator","title":"Cocktail ABV Calculator – Strength, Alcohol Grams and Standard Drinks of a Mixed Drink with Ice Dilution","category":"food","category_name":"Food & Cooking","tool_name":"calculate_cocktail_abv","featured_mcp_tool":false,"description":"Computes the alcohol by volume of a cocktail from the volume and strength of each ingredient plus the water added by shaking or stirring with ice, and converts the pure alcohol to grams, US and Australian standard drinks and UK units per serving.","use_when":"You want to know how strong a cocktail recipe is, how much pure alcohol a serving contains, or how many standard drinks or units it represents.","do_not_use_when":"You need the alcohol of a fermented batch from gravity readings (use homebrew-abv). Results are informational and must not be used to decide whether someone is fit to drive or how much is safe to drink.","inputs":[{"name":"ingredient_volumes_ml","label":"Ingredient volumes","type":"number_list","unit":"ml","required":true,"description":"Volume of each ingredient in millilitres (1 US fl oz = 29.57 ml), in order.","example":[60,30]},{"name":"ingredient_abvs_percent","label":"Ingredient strengths","type":"number_list","unit":"%","required":true,"description":"Alcohol by volume of each ingredient in percent (0 for juice, syrup, soda), same order.","example":[40,18]},{"name":"dilution_percent","label":"Dilution from ice","type":"number","unit":"%","required":false,"default":25,"min":0,"max":100,"description":"Water added by ice as a percentage of the undiluted volume: about 20–30 % for shaken or stirred drinks, 10–15 % for drinks built over ice and sipped quickly, 0 for neat or pre-batched drinks.","example":25},{"name":"servings","label":"Servings","type":"integer","required":false,"default":1,"min":1,"max":100,"description":"Number of servings the listed ingredients make (per-serving outputs divide by this).","example":1}],"outputs":[{"name":"total_volume_ml","label":"Total volume (with dilution)","type":"number","unit":"ml","decimals":1,"description":"Sum of ingredient volumes plus dilution water, for all servings."},{"name":"serving_volume_ml","label":"Volume per serving","type":"number","unit":"ml","decimals":1,"description":"total_volume_ml / servings."},{"name":"alcohol_ml","label":"Pure alcohol (total)","type":"number","unit":"ml","decimals":2,"description":"Σ volume_i × abv_i / 100 for all servings."},{"name":"final_abv_percent","label":"Cocktail ABV","type":"number","unit":"%","decimals":2,"description":"alcohol_ml / total_volume_ml × 100 after dilution."},{"name":"alcohol_grams","label":"Pure alcohol (total)","type":"number","unit":"g","decimals":1,"description":"alcohol_ml × 0.789 g/ml for all servings."},{"name":"alcohol_grams_per_serving","label":"Pure alcohol per serving","type":"number","unit":"g","decimals":1,"description":"alcohol_grams / servings."},{"name":"standard_drinks_us","label":"US standard drinks per serving","type":"number","decimals":2,"description":"Grams of alcohol per serving / 14 g."},{"name":"standard_drinks_au","label":"Australian standard drinks per serving","type":"number","decimals":2,"description":"Grams of alcohol per serving / 10 g."},{"name":"units_uk","label":"UK units per serving","type":"number","decimals":2,"description":"Grams of alcohol per serving / 8 g (= ml of alcohol / 10)."},{"name":"strength_description","label":"Strength","type":"string","decimals":4,"description":"The cocktail's ABV compared with beer, wine, fortified wine and neat spirits."},{"name":"warning","label":"Warning","type":"string","decimals":4,"description":"Informational-use notice."}],"input_schema":{"type":"object","properties":{"ingredient_volumes_ml":{"description":"Volume of each ingredient in millilitres (1 US fl oz = 29.57 ml), in order. Unit: ml.","type":"array","items":{"type":"number"},"examples":[[60,30]],"x-unit":"ml"},"ingredient_abvs_percent":{"description":"Alcohol by volume of each ingredient in percent (0 for juice, syrup, soda), same order. Unit: %.","type":"array","items":{"type":"number"},"examples":[[40,18]],"x-unit":"%"},"dilution_percent":{"description":"Water added by ice as a percentage of the undiluted volume: about 20–30 % for shaken or stirred drinks, 10–15 % for drinks built over ice and sipped quickly, 0 for neat or pre-batched drinks. Unit: %.","type":"number","minimum":0,"maximum":100,"default":25,"examples":[25],"x-unit":"%"},"servings":{"description":"Number of servings the listed ingredients make (per-serving outputs divide by this).","type":"integer","minimum":1,"maximum":100,"default":1,"examples":[1]}},"additionalProperties":false,"required":["ingredient_volumes_ml","ingredient_abvs_percent"]},"output_schema":{"type":"object","properties":{"total_volume_ml":{"description":"Sum of ingredient volumes plus dilution water, for all servings. Unit: ml.","type":"number","x-unit":"ml"},"serving_volume_ml":{"description":"total_volume_ml / servings. Unit: ml.","type":"number","x-unit":"ml"},"alcohol_ml":{"description":"Σ volume_i × abv_i / 100 for all servings. Unit: ml.","type":"number","x-unit":"ml"},"final_abv_percent":{"description":"alcohol_ml / total_volume_ml × 100 after dilution. Unit: %.","type":"number","x-unit":"%"},"alcohol_grams":{"description":"alcohol_ml × 0.789 g/ml for all servings. Unit: g.","type":"number","x-unit":"g"},"alcohol_grams_per_serving":{"description":"alcohol_grams / servings. Unit: g.","type":"number","x-unit":"g"},"standard_drinks_us":{"description":"Grams of alcohol per serving / 14 g.","type":"number"},"standard_drinks_au":{"description":"Grams of alcohol per serving / 10 g.","type":"number"},"units_uk":{"description":"Grams of alcohol per serving / 8 g (= ml of alcohol / 10).","type":"number"},"strength_description":{"description":"The cocktail's ABV compared with beer, wine, fortified wine and neat spirits.","type":"string"},"warning":{"description":"Informational-use notice.","type":"string"}}},"formula":"alcohol_ml = Σ ingredient_volumes_ml_i × ingredient_abvs_percent_i / 100; total_volume_ml = Σ ingredient_volumes_ml_i × (1 + dilution_percent / 100); final_abv = alcohol_ml / total_volume_ml × 100; alcohol_g = alcohol_ml × 0.789; per serving = ÷ servings; US standard drinks = g / 14, Australian = g / 10, UK units = g / 8","method":"Ethanol density 0.789 g/ml at 20 °C; the small volume contraction when mixing alcohol and water is ignored. Dilution defaults to 25 %, a typical value for a shaken or stirred cocktail; actual dilution depends on ice, time and technique. Informational only: results must not be used to decide whether anyone is fit to drive.","sources":[{"name":"NIAAA – What is a standard drink? (14 g of pure alcohol)","url":"https://www.niaaa.nih.gov/alcohols-effects-health/overview-alcohol-consumption/what-standard-drink","type":"government","retrieved_at":"2026-09-24"},{"name":"NHS – Calculating alcohol units (1 unit = 10 ml / 8 g of pure alcohol)","url":"https://www.nhs.uk/live-well/alcohol-advice/calculating-alcohol-units/","type":"government","retrieved_at":"2026-09-24"},{"name":"Wikipedia – Standard drink (grams of ethanol per standard drink by country)","url":"https://en.wikipedia.org/wiki/Standard_drink","type":"reference","retrieved_at":"2026-09-24"}],"freshness":{"type":"static","max_age_seconds":null,"note":"Deterministic formula with fixed constants; results never go stale. Inputs supplied by the caller determine the output."},"examples":[{"name":"Martini: 60 ml gin 40 % + 30 ml vermouth 18 %, 25 % dilution","inputs":{"ingredient_volumes_ml":[60,30],"ingredient_abvs_percent":[40,18],"dilution_percent":25,"servings":1},"expected":{"alcohol_ml":29.4,"total_volume_ml":112.5,"final_abv_percent":26.13,"alcohol_grams":23.2,"standard_drinks_us":1.66,"standard_drinks_au":2.32,"units_uk":2.9},"url":"https://tttkmbb.com/api/v1/calculate/cocktail-abv?ingredient_volumes_ml=60%2C30&ingredient_abvs_percent=40%2C18&dilution_percent=25&servings=1"},{"name":"Margarita batch for 4: 200 ml tequila 40 %, 100 ml triple sec 30 %, 100 ml lime, 20 % dilution","inputs":{"ingredient_volumes_ml":[200,100,100],"ingredient_abvs_percent":[40,30,0],"dilution_percent":20,"servings":4},"expected":{"alcohol_ml":110,"total_volume_ml":480,"serving_volume_ml":120,"final_abv_percent":22.92,"alcohol_grams_per_serving":21.7,"standard_drinks_us":1.55},"url":"https://tttkmbb.com/api/v1/calculate/cocktail-abv?ingredient_volumes_ml=200%2C100%2C100&ingredient_abvs_percent=40%2C30%2C0&dilution_percent=20&servings=4"}],"faq":[{"q":"How much water does ice really add?","a":"Measured dilution is roughly 20–25 % for a stirred drink and 25–30 % for a shaken one (shaking chips ice faster); a drink served on the rocks keeps diluting as it sits. Set dilution_percent to 0 for neat pours or pre-diluted batches."},{"q":"Why do standard drinks differ between countries?","a":"A US standard drink is 14 g of pure alcohol, an Australian one 10 g and a UK unit 8 g (10 ml); other countries use 8–20 g. Compare grams of alcohol when in doubt."},{"q":"Can I enter ounces?","a":"Convert first: 1 US fl oz = 29.57 ml, so a 2 oz pour is 59.1 ml. Using 30 ml per ounce introduces only about 1.5 % error."}],"tags":["cocktail abv","drink strength calculator","standard drinks","alcohol units","cocktail dilution","how strong is my cocktail"],"related":[{"calculator_id":"homebrew-abv","reason":"Alcohol content of home-fermented beer, cider or mead."},{"calculator_id":"cooking-converter","reason":"Convert fluid ounces or cups to millilitres."},{"calculator_id":"calories-from-macros","reason":"Alcohol grams contribute 7 kcal/g to the drink's energy."}],"links":{"html":"https://tttkmbb.com/food/cocktail-abv","markdown":"https://tttkmbb.com/food/cocktail-abv.md","json":"https://tttkmbb.com/food/cocktail-abv.json","api":"https://tttkmbb.com/api/v1/calculate/cocktail-abv","schema":"https://tttkmbb.com/api/v1/calculators/cocktail-abv","openapi":"https://tttkmbb.com/openapi.json","mcp":"https://tttkmbb.com/mcp"},"version":"v1","updated_at":"2026-09-24"},"timestamp":"2026-09-24T03:48:41Z"}