household finances; family budget
Refers to the overall financial situation of a household, including income, expenses, and budgeting.
家計の見直しを始めた。
I started reviewing our household finances.
光熱費が家計を圧迫している。
Utility bills are straining the family budget.
She works part-time to help support the household finances.
We've been tightening our household budget lately.
Rising prices are straining our household finances.
My wife manages the household finances.
We grow a home garden to help supplement our household budget.
家系 (family lineage) and 家計 (household finances/budget) are pronounced identically but written with different kanji and mean completely different things.
家計 means a household's budget or day-to-day finances, while 家財 refers to physical belongings or overall family wealth, not spending.