CostLogic
CostLogic is construction quantity takeoff and valuation software. You can upload construction PDFs in a browser, measure by scale, automatically identify rooms, generate valuations and convert them into invoices, and also sync with QuickBooks.
Updated: 2026-10-27
What is CostLogic?
CostLogic is a quantity takeoff, valuation and invoicing tool for construction contractors. Its official website states that it streamlines the entire process from drawing to payment collection into a single browser workflow. After users upload construction PDFs, they can measure areas, lengths and quantities directly on the drawings, then convert the engineering quantities into valuation line items. Compared with scattered quantity takeoff software and spreadsheets, it eliminates redundant data entry and format conversions. The official website links measurement, valuation, invoicing and QuickBooks synchronization into a seamless chain, reducing repetitive data entry and document transfer.
Who is it for?
- Contractors who frequently create construction drawings and quantity takeoffs.
- Estimators and project managers who want to reduce duplicate data entry in Excel.
- Construction companies that manage quotes, invoices, and payments across multiple job sites.
- Construction teams that need to hand over quantity takeoff results to accountants or bookkeepers.
- Small construction companies that need to manage quotations and payments for multiple construction sites simultaneously.
Key features
6PDF Drawing Takeoff
After uploading multi-page construction drawings, the system can automatically name pages, read scales from title blocks, and directly measure linear dimensions, areas, and quantities on the drawings.
Auto Room Recognition
Automatically identifies rooms and areas, converts the results into measurable takeoff layers, and reduces manual tracing and repetitive calculations.
Onyx Assistant
The built-in assistant can answer questions, locate rooms, price takeoffs, draft estimates and invoices, and modify takeoff layers on command.
Estimating and Line Items
Measurement results flow directly into estimates, supporting settings such as markups, wastage, taxes, and deposits, reducing cross-table copying.
Invoicing and Payment Tracking
Converts accepted estimates into invoices, sends branded PDFs, records payments, and syncs with QuickBooks Online or exports to CSV.
Browser and Team Collaboration
No need to install desktop software; it can be used on browsers for both Mac and PC, and it retains customer, project, and estimate records.
How to use CostLogic
- 1First test the takeoff, valuation and invoicing workflow with a completed old project to confirm that the results are consistent with the existing standards.
- 2After uploading the drawings, first verify the scale and page names; an incorrect scale will distort all subsequent quantities and quotes.
- 3Create templates for common markups, contingencies, taxes, and terms to eliminate repetitive setup for each project.
- 4Manual review of the quantity takeoff and contract terms is still required before formal bidding; the content generated by the AI assistant cannot replace professional judgment.
- 5First, calibrate unit prices, wastage, and taxes based on historical projects, then have Onyx draft new estimates for results that are closer to actual costs.
Traffic & popularity
Data month Sep 2026
CostLogic receives about 1.7K visits per month.
Monthly visits
5 monthsEstimated from third-party traffic data.
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