{"success":true,"version":"v1","request":{"tool":"get_calculator_schema","calculator_id":"rice-water"},"result":{"entity_type":"calculator","id":"rice-water","calculator_id":"rice-water","canonical_url":"https://tttkmbb.com/food/rice-water","name":"Rice to Water Ratio Calculator","title":"Rice to Water Ratio Calculator – Water for White, Jasmine, Basmati, Brown, Sushi and Wild Rice","category":"food","category_name":"Food & Cooking","tool_name":"calculate_rice_water_ratio","featured_mcp_tool":false,"description":"Computes the water needed for a quantity of uncooked rice (cups or grams) using absorption-method ratios by rice type: long-grain white 1:1.5, jasmine 1:1.25, basmati 1:1.5, brown 1:2, sushi 1:1.1, wild 1:3.","use_when":"You are cooking rice by the absorption method (tight lid or rice cooker) and need the water amount for a given quantity and type of rice.","do_not_use_when":"You boil rice in excess water and drain it (ratio irrelevant), cook risotto or paella, or follow a package instruction that specifies a different ratio for that product.","inputs":[{"name":"rice_cups","label":"Rice","type":"number","unit":"cups","required":false,"max":100,"exclusive_min":0,"description":"Uncooked rice in US cups (236.6 ml). Give this or rice_g.","example":2},{"name":"rice_g","label":"Rice","type":"number","unit":"g","required":false,"max":20000,"exclusive_min":0,"description":"Uncooked rice in grams; converted at 185 g per cup. Ignored when rice_cups is given.","example":370},{"name":"rice_type","label":"Rice type","type":"enum","required":false,"default":"white_long","values":[{"value":"white_long","label":"Long-grain white (1:1.5)","aliases":["white","long grain","long-grain"]},{"value":"jasmine","label":"Jasmine (1:1.25)","aliases":["thai jasmine"]},{"value":"basmati","label":"Basmati (1:1.5)"},{"value":"brown","label":"Brown (1:2)","aliases":["brown rice","whole grain"]},{"value":"sushi","label":"Sushi / short-grain Japanese (1:1.1)","aliases":["short grain","japanese","calrose"]},{"value":"wild","label":"Wild rice (1:3)","aliases":["wild rice"]}],"description":"Rice type; sets the water-to-rice volume ratio.","example":"jasmine"}],"outputs":[{"name":"water_cups","label":"Water","type":"number","unit":"cups","decimals":2,"description":"Water in US cups."},{"name":"water_ml","label":"Water","type":"number","unit":"ml","decimals":0,"description":"Water in millilitres (cups × 236.6)."},{"name":"rice_cups_used","label":"Rice","type":"number","unit":"cups","decimals":2,"description":"Rice quantity used, in cups."},{"name":"ratio","label":"Rice : water ratio","type":"string","decimals":4,"description":"Volume ratio applied, rice : water."},{"name":"cooked_rice_cups_approx","label":"Cooked yield (approx.)","type":"number","unit":"cups","decimals":1,"description":"Approximate cooked volume: about 3× for white and brown rice, 4× for wild rice."}],"input_schema":{"type":"object","properties":{"rice_cups":{"description":"Uncooked rice in US cups (236.6 ml). Give this or rice_g. Unit: cups.","type":"number","maximum":100,"exclusiveMinimum":0,"examples":[2],"x-unit":"cups"},"rice_g":{"description":"Uncooked rice in grams; converted at 185 g per cup. Ignored when rice_cups is given. Unit: g.","type":"number","maximum":20000,"exclusiveMinimum":0,"examples":[370],"x-unit":"g"},"rice_type":{"description":"Rice type; sets the water-to-rice volume ratio.","type":"string","enum":["white_long","jasmine","basmati","brown","sushi","wild"],"default":"white_long","examples":["jasmine"]}},"additionalProperties":false},"output_schema":{"type":"object","properties":{"water_cups":{"description":"Water in US cups. Unit: cups.","type":"number","x-unit":"cups"},"water_ml":{"description":"Water in millilitres (cups × 236.6). Unit: ml.","type":"number","x-unit":"ml"},"rice_cups_used":{"description":"Rice quantity used, in cups. Unit: cups.","type":"number","x-unit":"cups"},"ratio":{"description":"Volume ratio applied, rice : water.","type":"string"},"cooked_rice_cups_approx":{"description":"Approximate cooked volume: about 3× for white and brown rice, 4× for wild rice. Unit: cups.","type":"number","x-unit":"cups"}}},"formula":"rice_cups = rice_g / 185 (if grams given); water_cups = rice_cups × ratio; water_ml = water_cups × 236.588; ratio: white_long 1.5, jasmine 1.25, basmati 1.5, brown 2, sushi 1.1, wild 3","method":"Ratios are by volume for rinsed rice cooked covered with minimal evaporation (rice cooker or tight lid). Stovetop guides such as USA Rice quote up to 2:1 for white and 2¼:1 for brown rice because more water boils off; larger batches need proportionally less water.","sources":[{"name":"USA Rice – How to cook rice (liquid-to-rice ratios by type)","url":"https://www.usarice.com/thinkrice/how-to/how-to-cook-rice","type":"reference","retrieved_at":"2026-09-23"},{"name":"America's Test Kitchen – Nailing the perfect ratio of water to rice (absorption vs evaporation)","url":"https://www.americastestkitchen.com/articles/1692-nailing-the-perfect-ratio-of-water-to-rice","type":"reference","retrieved_at":"2026-09-23"}],"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":"2 cups jasmine","inputs":{"rice_cups":2,"rice_type":"jasmine"},"expected":{"water_cups":2.5,"water_ml":591,"rice_cups_used":2,"ratio":"1:1.25"},"url":"https://tttkmbb.com/api/v1/calculate/rice-water?rice_cups=2&rice_type=jasmine"},{"name":"300 g basmati","inputs":{"rice_g":300,"rice_type":"basmati"},"expected":{"rice_cups_used":1.62,"water_cups":2.43,"water_ml":575,"ratio":"1:1.5"},"url":"https://tttkmbb.com/api/v1/calculate/rice-water?rice_g=300&rice_type=basmati"}],"faq":[{"q":"Should I rinse the rice and does it change the water?","a":"Rinse until the water runs mostly clear for fluffier long-grain and sushi rice; drained rinsed rice carries a little water, so the ratios already assume rinsing. Soaking basmati 20–30 min lets you use slightly less water."},{"q":"Why does my pot need more water than a rice cooker?","a":"Evaporation. A loose lid or long simmer loses water that a rice cooker retains; add about ¼ cup per cup of rice on the stove if the rice comes out dry."}],"tags":["rice to water ratio","how much water for rice","jasmine rice ratio","brown rice water","rice cooker ratio"],"related":[{"calculator_id":"cooking-converter","reason":"Convert the water to millilitres or fluid ounces."},{"calculator_id":"recipe-scaler","reason":"Scale the whole meal by servings."}],"links":{"html":"https://tttkmbb.com/food/rice-water","markdown":"https://tttkmbb.com/food/rice-water.md","json":"https://tttkmbb.com/food/rice-water.json","api":"https://tttkmbb.com/api/v1/calculate/rice-water","schema":"https://tttkmbb.com/api/v1/calculators/rice-water","openapi":"https://tttkmbb.com/openapi.json","mcp":"https://tttkmbb.com/mcp"},"version":"v1","updated_at":"2026-09-23"},"timestamp":"2026-09-23T23:32:17Z"}