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Project Estimator

What is this tool?

A phase-based project estimator. Add phases with estimated hours, set your hourly rate and a contingency percentage, and it totals the cost, timeline and buffered estimate for the whole project.

When to use it

  • Putting together a freelance project quote
  • Estimating internal project cost and timeline before kickoff
  • Breaking a large project into phases to estimate more accurately
  • Adding a contingency buffer to a client-facing estimate
  • Comparing how changing the hourly rate affects total project cost

How to use it

  1. 1Add a phase and estimate its hours — repeat for each phase of the project
  2. 2Set your hourly rate
  3. 3Set a contingency percentage to buffer for the unexpected
  4. 4Review the total hours, cost and buffered total
  5. 5Adjust phases, rate or contingency and watch the totals update

Frequently asked questions

How many phases can I add?

As many as your project needs — add or remove phases freely.

What does the contingency percentage do?

It adds a buffer on top of the base estimate to account for scope creep or unexpected work, shown as a separate buffered total.

Can I use this for an hourly-rate quote to a client?

Yes — it's built for exactly that, breaking work into phases so a client can see where the estimate comes from.

Is my project data saved anywhere?

Only in your own browser session — nothing is sent to a server.