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How to do web design project estimation without undercharging
Web design project estimation starts with your real hourly cost, not a competitor's price. Here is how US agencies build a range and stop undercharging.
What to take away
- Estimate from your own loaded hourly cost, not from what a competitor quoted. A solo designer in Ohio and a four-person shop in Seattle cannot share a rate card.
- Build every estimate as a low-to-high range. A single number invites the client to treat the low end as the price.
- Separate one-off build cost from recurring cost. Hosting, maintenance and support renew every month or year and should never hide inside the project fee.
- Track actual hours against every estimate for at least two quarters. Your first estimates will be wrong, and the log is what corrects them.
- Put scope boundaries in writing before design starts. Unbounded revision rounds are the single largest source of undercharging.
Line by line: what a small business build actually costs
Start with your loaded hourly rate. Take the salary or owner draw you need, add payroll taxes, health coverage, software and a share of rent, then divide by billable hours. A US agency billing 1,000 hours a year against $90,000 in total cost has a floor near $90 per hour, before profit.
The table below shows an illustrative range for a five-page marketing site with a contact form, built by a small US studio. Figures are labeled illustrative and assume a loaded rate between $85 and $150 per hour.
| Work phase | Low estimate | High estimate |
|---|---|---|
| Discovery and content inventory | $1,200 | $2,800 |
| Wireframes and design concepts | $2,500 | $6,000 |
| Build and responsive QA | $3,000 | $7,500 |
| Copy layout and image preparation | $800 | $2,500 |
| Launch, DNS and analytics setup | $500 | $1,500 |
| Two revision rounds | $700 | $2,000 |
| One-off project total | $8,700 | $22,300 |
Recurring cost sits outside that total. Managed hosting typically runs $25 to $150 per month. A maintenance retainer covering plugin updates, backups and small edits commonly runs $150 to $600 per month, which is a separate line the client approves.
Fixed against variable
Fixed fees work when scope is genuinely closed: a defined page count, a defined number of revision rounds, a defined launch date. Most small business sites are not that tidy, which is why fixed pricing fails so often.
Time and materials billing protects you when the client keeps adding pages. The tradeoff is that clients dislike open-ended invoices, so many agencies cap the variable portion and convert anything beyond it into a change order.
A hybrid works well. Quote a fixed price for the defined build, then attach an hourly rate for anything the client requests after sign-off. State that rate in the contract terms that prevent disputes so nobody argues about it in month three.
What the tools do not include
Estimating software and time trackers measure hours. They do not tell you what to charge, and they will happily record a project that loses money from start to finish.
Three costs sit outside almost every tool:
- Sales time spent on proposals that never convert
- Project management, which often runs 15 to 20 percent of build hours
- Rework caused by client-side delays and late content
Budget for all three. A proposal that took six hours to write is a real cost even when the client says no. If you cannot name where those hours go, time tracking for a design agency is the fastest way to find out.
Where budgets leak
Revision rounds are the classic leak. A client who asks for "one more pass" four times has effectively doubled the design phase while the invoice stays flat.
Scope creep arrives disguised as small favors: a new page, a logo tweak, an extra form field. Each one is minor. Together they consume days.
Payment terms matter too. Net 30 on a $12,000 project means you fund the work for a month. Many US agencies now take 40 to 50 percent upfront, which is standard practice rather than an aggressive ask.
An estimate is a promise about time. If you cannot describe the work in phases with hour ranges attached, you are guessing, and the client will pay for your guess.
Example: a $14,000 estimate that should have been $19,000
A two-person studio in Denver quoted $14,000 for a seven-page site with a blog. Discovery ran long because the client had no content. Design took three extra rounds. The build was clean, but the team logged 190 hours against an estimate of 120.
At a $95 loaded rate, the project returned roughly $73 per hour. The fix was not a higher rate. It was a content deadline in the scope of work, a cap of two revision rounds, and a change-order rate of $110 per hour for anything after that.
The next similar project was quoted at $19,000 with the same boundaries and closed at 165 hours. A web design scope of work template that names deliverables, round limits and client obligations is the cheapest insurance an agency can buy.
