Free electrical estimating software: what’s actually free

Type “free electrical estimating software” into any directory and you get a long list. Open the listings and most of them are trials with an expiry date. That is not dishonest, but it is a different product than the one you searched for — so here is what is genuinely free in this category, what the free tiers actually limit, and what free costs you on the other side.

Four different things “free” means

The word is doing four jobs in this category, and they are not interchangeable.

• A time-limited trial. Full product, fixed window. eTakeoff offers a 15-day trial of Dimension; VOLTA runs 30 days. Capterra's own filter copy notes that 85% of professionals take a trial before buying.
• A permanently free tier. Real, ongoing, and capped. Rare.
• A free viewer. You can open and mark up drawings but not produce a priced bid. Useful, not estimating.
• A free template. A spreadsheet someone else built. Free forever, maintained by you.

The useful question is not “is it free” but “what happens on day 31.” A tool you cannot afford at renewal is a tool you will migrate off mid-tender, which is the worst week of the year to migrate.

What is genuinely free right now

We checked the listings rather than trusting the category headings. Capterra's free electrical estimating software page lists ten products; on inspection the offer against nearly all of them is a free trial, not a free version. Two genuine $0 tiers exist in the broader takeoff market:

• Methvin Starter — $0. The published pricing page lists a free Starter plan with one app included and the estimating, job-costing and BIM apps restricted to five projects. Paid tiers run $79 and $179 per month.
• STACK Takeoff & Estimate. STACK states that a free version of Takeoff & Estimate is offered alongside paid seats from US$249 per user per month; Capterra's listing records a free version and a 4.5 rating across 1,399 reviews.

Neither is electrical-specific. Both are general construction takeoff, which means the labour units, assemblies and division structure an electrical estimator wants are yours to build. That is the honest shape of free in 2026.

The free option most shops already run

The real incumbent in this category is not software. It is a spreadsheet an estimator built once and has patched ever since. It costs nothing, it does exactly what your shop does, and it is the single most common way a bid goes out wrong.

The research is unusually consistent. A survey of spreadsheet-error studies published through EuSpRIG reports that field audits found errors in 24% of 367 spreadsheets audited, that more recent audits using better techniques found errors in the large majority of workbooks examined, and that among nearly a thousand subjects building small spreadsheets in controlled conditions, 51% of the spreadsheets contained errors. EuSpRIG's own summary puts it at roughly half of operationally deployed models in large businesses carrying material defects.

None of that means throw the spreadsheet out. It means the spreadsheet is not free of risk, only free of invoice. We go through where it still wins in Excel template vs. estimating software.

What free actually costs

Four costs, none of which appear on a $0 invoice.

• Nobody maintains your prices. The paid suites sell price-file services for a reason — Accubid Anywhere lists Trade Service pricing, ConEst IntelliBid integrates NetPricer, EPIC and TRA-SER. On a free tool, copper moves and your sheet does not.
• Nobody owes you support. On bid day at 4pm, a free tier has no obligation to answer.
• Project caps arrive at the worst time. Five projects is generous until March.
• Your time. Job Bank puts the median wage for electricians in British Columbia at $34.00 an hour for 2023–2024. Three unpaid evenings rebuilding a template is real money, just paid to yourself in arrears.

Where paid tools genuinely earn it — and where VOLTA sits

Being fair about this matters more than being persuasive. The paid incumbents are stronger than any free option in four specific ways, and none of them are marketing claims:

• Measured-geometry takeoff. Scaling a drawing and measuring conduit and tray runs off it. Free tiers rarely include it; VOLTA does not do it either.
• Maintained assembly libraries. ConEst advertises over 140,000 items and 500,000+ prebuilt assemblies; McCormick lists 55,000+ items and 25,000+ assemblies. Decades of upkeep.
• Vendor price feeds and supplier quote integration.
• Someone answerable when it breaks.

VOLTA is not on the free list and should not be. It is a 30-day free trial and then $9.99 CAD a month — a published price, month-to-month, no seat maths. What you get for it is the core loop: PDF to a drafted takeoff you review, labour units and factors applied, markup and Canadian tax, client-ready quote. The AI drafts, you decide. Wire metres in particular are allowances, not measurements, and we say so in the app where it matters.

Frequently asked

Next: estimating glossary