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Contractor Ledger

Free estimating tools for U.S. contractors

Know your costs. Price the job.

Use six free calculators to price jobs, estimate labor and material costs, and build bids from your own numbers.

Transparent formulas
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Calculators for everyday estimating

Pick the tool that matches the number you need for this bid.

How Profit Margin Pricing Works

Selling price is computed by dividing total job costs by (1 − Target Margin % ÷ 100), ensuring your actual dollar return matches your intended yield.

Total Job Cost$1,200.00Labor, supplies & gear
Target Profit Margin25.0%Yield on selling price
Recommended Selling Price$1,600.00Client billed figure
Estimated Gross Profit$400.00Exact 25% of $1,600.00
Contract Allocation Breakdown$1,600.00 Total Job Value
Total Job Cost:$1,200.00(75.0%)
Gross Profit:$400.00(25.0%)
Markup Equivalent: 33.3% on Cost
Defensible Standard: Selling Price = Total Estimated Cost ÷ (1 − Target Margin % ÷ 100)