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Stella Wu

Stella Wu is the founder and CEO of Eano and a B2B SaaS leader focused on building modern, AI-powered platforms for the construction industry. With a background spanning product strategy, technology, and operations, she has led the development of Eano’s end-to-end solutions that help contractors streamline project management, estimating, and execution. Stella brings a customer-first mindset to product development, translating real-world industry challenges into scalable software that drives efficiency, visibility, and growth. She is passionate about leveraging AI to modernize legacy workflows and empower teams to deliver projects faster and more profitably.

Still Using Excel for Estimates? Here’s What It’s Really Costing You

Apr 24, 2026
•
3
min read
Excel has been the default estimating tool for years. It’s flexible, familiar, and easy to start with. But what works early on can quietly become a problem as your business grows.

Spreadsheet Use From an Industry Standpoint

According to JBKnowledge’s annual construction tech reports that ~85–90% of contractors report using some form of software, but Excel/spreadsheets are still one of the most widely used tools—especially for estimating and job costing.

Data from Dodge Construction Network shows that contractors using integrated project and estimating software report significantly higher productivity and fewer errors compared to those relying on manual or spreadsheet-based processes.

The Hidden Costs of Excel

At first, Excel feels efficient. Over time, it starts costing you in ways that aren’t always obvious.

Time

Every estimate requires:

  • Copying old sheets
  • Updating line items
  • Rechecking formulas

That adds up quickly, especially during busy seasons.

Errors

Manual input leads to:

  • Missed line items
  • Incorrect formulas
  • Outdated pricing

Even small errors can wipe out profit on a job.

Inconsistency

Without a standardized system:

  • Markups vary
  • Line items get skipped
  • Estimates look different every time

That makes it harder to scale your business.

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Why Contractors Are Moving Away from Excel

The shift isn’t about abandoning spreadsheets—it’s about outgrowing them.

Modern estimating tools help:

  • Standardize pricing
  • Reuse templates automatically
  • Generate clean, client-ready proposals
  • Connect estimates to the rest of your workflow

Instead of rebuilding estimates, you’re refining a system.

When Excel Still Makes Sense

Excel isn’t useless.

It can still work if:

  • You’re doing a low volume of jobs
  • Your projects are simple
  • You have a very tight, consistent process

But once complexity increases, the limitations show up fast.

The Real Question

It’s not “Does Excel work?”

It’s:
Is it helping you estimate faster, more accurately, and more consistently?

If the answer is no, it may be time to upgrade your process—not just your tool.

Check out the Remodel Estimating Software Guide for how to evaluate the best options.

Eano Pro offers next gen construction estimating software that is built for high performing construction teams. Get a demo and free trial for your team.

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Get a Personalized Demo

See how Eano Pro can streamline your contracting workflow.

FAQs

Is Excel good for construction estimating?

Excel can work for basic estimates, but it often becomes inefficient as projects grow more complex. Manual updates, errors, and inconsistent formatting can limit its effectiveness.

What are the drawbacks of using Excel for estimates?

Common drawbacks include time-consuming updates, formula errors, outdated pricing, and inconsistent estimates across projects.

Why are contractors switching from Excel to estimating software?

Contractors switch to improve speed, accuracy, and consistency. Software helps standardize pricing, reuse templates, and generate professional proposals quickly.

Can Excel still be used for small jobs?

Yes, Excel can still be useful for simple or low-volume projects. However, as job complexity increases, its limitations become more noticeable.

How does estimating software improve efficiency?

Estimating software reduces manual work by automating calculations, storing pricing data, and streamlining proposal creation within a single workflow.

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