1.
daily rate; prorating by the day; per diem calculation
Dividing a total amount (typically rent, salary, or fees) by the number of days to calculate a daily rate. Used when charges need to be prorated for a partial period.
家賃は日割りで計算する。
The rent is calculated on a daily basis.
月の途中で入居したので日割り家賃になった。
Since I moved in mid-month, the rent was prorated by the day.
給料は日割り計算で支払われた。
The salary was paid based on a daily prorated calculation.
Composed of 日 (day) + 割り (division, rate). Common compounds: 日割り家賃 (prorated rent), 日割り計算 (daily proration), 日割り料金 (daily rate charge). Frequently encountered when moving into or out of an apartment mid-month, or when starting/ending a subscription partway through a billing period. Related: 月割り (monthly rate), 時間割 (timetable/schedule).