{"success":true,"version":"v1","request":{"tool":"list_units","quantity":"density"},"result":{"entity_type":"unit_list","status":"completed","count":10,"quantities":[{"quantity":"density","name":"Density","base":"kg/m3","units":[{"symbol":"kg/m3","name":"kilogram per cubic metre","aliases":["kg/m³","kilogram per cubic meter","kilograms per cubic metre","kilograms per cubic meter"]},{"symbol":"g/cm3","name":"gram per cubic centimetre","aliases":["g/cm³","gram per cubic centimeter","grams per cubic centimetre","grams per cubic centimeter","g/cc"]},{"symbol":"g/mL","name":"gram per millilitre","aliases":["gram per milliliter","grams per millilitre","grams per milliliter"]},{"symbol":"g/L","name":"gram per litre","aliases":["gram per liter","grams per litre","grams per liter"]},{"symbol":"mg/L","name":"milligram per litre","aliases":["milligram per liter","milligrams per litre","milligrams per liter"]},{"symbol":"kg/L","name":"kilogram per litre","aliases":["kilogram per liter","kilograms per litre","kilograms per liter","kg/dm³","kg/dm3"]},{"symbol":"lb/ft3","name":"pound per cubic foot","aliases":["lb/ft³","pounds per cubic foot","pcf"]},{"symbol":"lb/in3","name":"pound per cubic inch","aliases":["lb/in³","pounds per cubic inch"]},{"symbol":"oz/in3","name":"ounce per cubic inch","aliases":["oz/in³","ounces per cubic inch"]},{"symbol":"lb/gal_us","name":"pound per US gallon","aliases":["lb/gal (US)","pounds per US gallon","pound per gallon","pounds per gallon","lb/gal"]}]}]},"timestamp":"2026-09-24T03:49:32Z","next_actions":[{"tool":"convert_units","reason":"Convert a value using any two symbols of the same quantity."}],"links":{"docs":"https://tttkmbb.com/conversion.md"}}