noun, noun or participle which takes 'suru', transitive verb
adding up; cumulative addition; totaling
Refers to adding values together, often over time or across units, to obtain a cumulative total.
観測所ごとの雨量を積算して、総雨量を求めた。
We added up the rainfall at each observation station to find the total rainfall.
毎日の売上を積算すると、月末には大きな金額になる。
When you add up the daily sales, they become a large amount by the end of the month.
noun, noun or participle which takes 'suru', transitive verb
Technical use for integrating or accumulating a quantity mathematically or in engineering contexts; in pure calculus, 積分 is usually the more standard learner-facing word.
電力を時間で積算すると、電力量が求められる。
If you integrate power over time, you can obtain the amount of electric energy.
noun, noun or participle which takes 'suru', transitive verb
cost estimate; quantity survey; estimating quantities and costs
Used especially in construction, civil engineering, and contracting for estimating project costs by calculating material quantities, labor, unit prices, and related items.
設計図を基に工事費を積算する。
Estimate the construction cost based on the design drawings.
積算担当者が材料の数量を拾い、見積書を作成した。
The quantity surveyor measured the material quantities and prepared an estimate.