1.
household finances, family budget, household economy
The income and expenditures of a household. Refers to the overall financial management of a family's daily living expenses.
Usage
A common word in discussions about personal finance and daily life. 家計簿 (household account book) is a traditional tool for tracking income and expenses, and many Japanese households still keep one. 家計 appears frequently in news reports about the economy's impact on ordinary families.
Do not confuse with the homophone 家系 (family lineage, genealogy), which has a different meaning.