Site & estimation
Rate Analysis Calculator — BOQ Item Rate vs Schedule of Rates (SOR/DSR)
Rate analysis builds up the cost of one unit of a BOQ item from the materials, labour and sundries it needs, then adds water charges and contractor's overheads and profit — commonly about 15% in CPWD analysis.
Compare your built-up rate with the schedule of rates to decide what percentage above or below estimate to quote.
Item
Start from a template with typical quantities, then enter your local rates.
Materials
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Labour
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Machinery & sundries
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Add-ons and comparison
CPWD: 1%
CPWD: 15%
From DSR / state SOR
Rate per m³
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How this is worked out
Rate = (materials + labour + machinery) × (1 + water %) × (1 + overheads & profit %) ÷ quantity analysed.
Template quantities are typical CPWD-style figures to get you started — adjust them to your specification and site conditions. Compare your rate with the SOR to decide how far below estimate you can safely quote.
Frequently asked questions
What is rate analysis in construction?
Working out the cost of one unit of an item of work (per m³, m² or number) from the quantities and rates of materials, labour and equipment, plus water charges and overheads and profit.
How much overhead and profit is added in rate analysis?
CPWD analysis of rates commonly adds about 15% for contractor's overheads and profit and about 1% for water charges, but you can set your own figures.
Figures are for planning. The conditions in your tender document or contract always take precedence.
Let the calculators fill themselves in
With a free Digi Karya account, these tools pull in your own contracts, tenders, bills and documents — and you also get licence and GST expiry reminders, a tender workspace, milestone billing and EMD & bank guarantee tracking.