Estimate every working hour
Separate delivery from discovery, meetings, email, scheduling, invoicing, and handoff. Those hours may not appear in the final deliverable, but the project still uses them.
Project estimator Free browser tool
Build a fixed project price from production time, hidden coordination, direct costs, uncertainty, and a deliberate operating margin.
Count delivery, coordination, project costs, and uncertainty.
THE PROJECT COST METHOD
A project estimate is more than production hours multiplied by a rate. Discovery, meetings, administration, tools, contractors, and ordinary uncertainty all consume the fee. Model those costs first; then decide what margin the project must leave behind.
The calculator rounds the result up. It treats margin as a share of the final quote, which is different from simply adding the same percentage as a markup.
Separate delivery from discovery, meetings, email, scheduling, invoicing, and handoff. Those hours may not appear in the final deliverable, but the project still uses them.
Include approved contractors, stock assets, travel, licenses, hosting, and materials. A deposit should at least keep those costs from becoming credit you extend to the client.
A contingency covers ordinary estimating uncertainty. It does not purchase unlimited revisions or new deliverables; those still need a written scope and change process.
WORKED EXAMPLE
At a 100 hourly target, 38 total hours create 3,800 of labor value. Add 200 of direct costs and a 15% contingency to protect 4,600. A 20% final operating margin requires a 5,750 quote—not 5,520—because margin is measured against the client price.
ESTIMATE, THEN TEST
After you build the quote, test the payment timing, revision cap, decision-maker, deadline, and scope-creep probability. Project economics and client risk belong in the same decision.
NEED THE COMPLETE SYSTEM?
Worth the Work includes the editable 20-project workbook and 24 client-ready counteroffer, scope, deposit, payment-delay, decline, and follow-up scripts.
General planning information only—not legal, tax, or financial advice. Review contract language with a qualified professional for your jurisdiction and circumstances. Inputs stay in your browser; this site uses no analytics, cookies, or accounts. Open-source MIT code. Affiliate program.