HOW YOU PRICE Overhead rate Your yearly overhead divided by your yearly revenue: truck, insurance, phone, office. Enter as a decimal, 0.12 = 12%. Target profit margin Margin, not markup. 0.25 = 25%. The bid divides by (1 - margin), so this is the margin you keep. Sales tax on materials Kentucky is 6%. Set to 0 if you are tax exempt or your state differs. Waste factor Simple gable 0.10. Cut-up hips and valleys 0.15 or more.

GOOD / BETTER / BEST Good tier adjustment Applied to the Better price. Negative = cheaper. Good is cheaper because you scope it smaller, never because you cut your own margin. Better tier adjustment Your standard bid. Best tier adjustment Premium materials, longer warranty.

AFTER THE JOB Contract amount (what you actually sold) Leave blank to use the bid price. Actual material spent Actual labor spent Actual subcontractor spent Actual other (permit, dumpster, misc)

TAKEOFF

Measured squares—

Squares to order—

THE ESTIMATE

Material—

Labor—

Subcontractor—

Other—

Direct cost—

Sales tax on material—

Total cost—

Overhead—

Cost + overhead—

THE PRICE

BID PRICE—

Your profit—

Margin check (equals your target)—

What markup math would have left behind—

GOOD / BETTER / BEST

Good—

Margin at the Good price—

Better—

Best—

Margin at the Best price—

DID THE JOB MAKE MONEY

Actual cost—

Revenue—

Gross profit—

Gross margin—

Cost variance (over / under estimate)—

Verdict—

Takeoff

Measure the footprint of each roof plane. Pitch factor = the square root of 1 + (rise / 12) squared, the standard slope multiplier. Flat or low slope: enter pitch 0.

	Pitch factor	Actual sq ft	Squares
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Estimate

Pick a line item from the Price Book list, enter the quantity, and tag its type. Unit cost looks itself up; the totals on the right follow.

	Unit	Unit cost	Line cost
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Price Book

Starter figures are Kentucky ranges so the page calculates something on day one. They are not a quote. Replace them with your supplier pricing and your labor cost; the Estimate follows.

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Roofing Bid & Profit Calculator

TAKEOFF

THE ESTIMATE

THE PRICE

GOOD / BETTER / BEST

DID THE JOB MAKE MONEY

Takeoff

Estimate

Price Book

Want it as a spreadsheet you own?

Roofing Bid & Profit Workbook: the full workbook

Email me these results

	Pitch factor	Actual sq ft	Squares
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	Pitch factor	Actual sq ft	Squares
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