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    Construction & Electrical

    Construction Cost Sheet Calculator

    About this tool

    Enter just three direct amounts and independently editable insurance and indirect expense rates. See each cost component, works cost, general administration, profit excluding materials, VAT and total. Check project-specific rates before use.

    Construction quotation & BOQ

    Choose a task. Inputs stay in this page only.

    Material estimateQuote PDFCost breakdownBOQ compare
    MAKE IT SIMPLE

    1. Enter direct costs

    2. Indirect labor, insurance & expenses

    3. Administration, profit & VAT

    Enter the applicable rates from your project documents. A zero rate excludes that charge. Safety and environmental rates are simple estimates, not replacements for contract-specific statutory calculation.

    Calculation bases

    Accident/employment: total labor. Health/pension/retirement: direct labor. Long-term care: health insurance premium. Safety: materials + direct labor. Environment: materials + direct labor + direct expenses. Other: materials + total labor. General administration: works cost. Profit: labor + expenses + general administration (excluding materials).

    Result

    Worked examples

    Materials 100m KRW, labor 40m KRW, direct expenses 15m KRW

    Editable rates yield a cost sheet

    Each extra cost is itemized; materials are excluded from the profit base.

    Questions & answers

    Are line-item materials required?

    No. Enter three direct cost amounts and applicable rates.

    Are current statutory rates loaded?

    No. Verify the correct rates for the contract and project. Safety and environment charges are simplified examples.

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