DesignFlow Build
Construction ERP ROI: The Real Math
Most "ROI" claims are made up. Here is a transparent, sourced way to calculate construction ERP ROI from hard labor savings — with a worked example and a free calculator.
How to calculate it
Count the hours of manual work the software eliminates, value them at the fully-loaded wage of the staff who did that work (base salary × 1.30 for payroll tax, benefits and overhead), and compare the annual savings to the software cost. Lead with the payback period — software cost ÷ monthly savings — because it is exact arithmetic. Count only hard labor savings; leave revenue gains (more bids won, faster delivery) out so the number stays conservative.
Fully-loaded wages used (US benchmarks)
| Role | Base salary | Source | Loaded $/hr |
|---|---|---|---|
| Cost estimator | $77,070 | BLS median, May 2024 | $50.10 |
| Project manager | $100,000 | Indeed avg, 2025 | $65.00 |
| Scheduler / planner | $80,000 | Salary.com / Payscale | $52.00 |
| Admin / data entry | $50,000 | ZipRecruiter | $32.50 |
Worked example — a $10M contractor (12 office + 25 field, $21,900/yr; field seats coming with the mobile app)
| Capability | $/hr | Hrs/wk | Annual |
|---|---|---|---|
| AI Blueprint Takeoff — quantity takeoff (Estimator) | $50.10 | 12 | $31,260 |
| AI Bid Day — scope/spec extraction (Estimator) | $50.10 | 6 | $15,630 |
| Data entry & admin automation (Admin) | $32.50 | 24 | $40,560 |
| AI scheduling (vs manual P6) (Scheduler) | $52.00 | 6 | $16,224 |
| Executive dashboards / reporting (PM) | $65.00 | 5 | $16,900 |
| Total — ~1.4 FTE | 53 | $120,573 |
~2.2 mo
Payback (exact 2.18)$98,673
Net annual savings451%
First-year ROI on software~1.4 FTE
Manual work eliminatedPayback = $21,900 ÷ ($120,573 ÷ 12) = 2.18 months. First-year ROI = ($120,573 − $21,900) ÷ $21,900 = 451%. Hard labor savings only; bid-win and throughput revenue upside excluded by design.
Run your own numbers
Adjust headcount, salaries and hours for your firm.
ROI Calculator
Compare your costs and competitive advantage against companies using enterprise ERPs
Step 1: Your Company Profile
Annual Revenue
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PMs, estimators, office staff
Technicians, field workers. Field seats are coming with the mobile app.
Step 2: Current Operations
Admin, data entry clerks
Review data, generate reports
RFPs, quotes submitted
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Typical contract size
Frequently asked questions
Faster is better; under ~6 months is strong. For a representative $10M-revenue contractor, DesignFlow Build pays back in about 2 months on hard labor savings alone (exact: 2.18 months) — because SaaS cost is small relative to the labor it removes.
Payback is exact arithmetic and hard to dispute; a large ROI percentage invites skepticism. The same model expressed as first-year ROI on software cost is about 451% for the representative firm — but the ~2-month payback is the number a CFO trusts.
Hard labor savings across estimating takeoff, bid scope extraction, data entry, scheduling and reporting — about 53 hours/week (~1.4 full-time positions) for a representative $10M contractor, or roughly $120,600/year in labor, ~$98,700 net of subscription. Revenue upside from winning more bids and faster delivery is excluded to keep the figure conservative.