100% Free โ€” No Download Required

Free ConstructionCalculators

Real numbers for real jobs. Built by a subcontractor who knows what it costs to run a crew. Use them free โ€” download the Excel version for your files.

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Labour Costing
True Field Labour Cost Calculator

Build your full crew, add every hidden cost, apply a real productivity factor โ€” and find out what each billable hour actually costs you.

Full crew builder with WCB by trade
Hidden costs: travel, callbacks, tickets
Productivity factor + billing rate check
Open Calculator โ†’
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Estimating
Bid Builder & Estimator

Build a complete bid from scratch โ€” scope items with quantities, unit costs, labour hours, subs, overhead and profit. Submit with confidence.

Scope items with qty, units & waste factor
Labour hours per unit + crew rate
Overhead, profit, GST & bid health check
Open Calculator โ†’
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Cash Flow
Holdback Tracker

Track holdbacks across all your active jobs. Know what’s held, what’s releasable, and which projects are past lien period โ€” across every GC at once.

Multi-project dashboard
Lien period countdown by province
Overdue holdback alerts
Open Calculator โ†’
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Business Health
Overhead Recovery Calculator

Most subs undercharge because they never calculate their real overhead. Break down every cost and find the exact % to add to every job.

Fixed + variable + non-billable labour
Required overhead % per job
Health check + what-if slider
Open Calculator โ†’
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Field Operations
Crew Productivity Calculator

Track if your crew is on pace to finish on time. Enter your scope, log daily output, and get a real-time green/yellow/red status on every work item.

Scope items with production rates by trade
Daily progress log
On-track analysis + estimated finish date
Open Calculator โ†’