Cost Calculator Builder Pro
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About Cost Calculator Builder Pro
The number the calculator gives is a promise you will have to stand behind
It is what to understand before building one, because it is where these projects either work out or turn into a problem.
An estimate calculator works very well at capturing leads: people use it, they stay on your site and they leave an email to receive the detail. That much is beyond doubt.
The risk appears afterwards. If the number it produces is always optimistic, every lead arrives with a wrong expectation, and your first call becomes an explanation of why it actually costs more. That burns leads, burns your time and creates the sense that you mislead, even though that was never the intention.
Cost Calculator Builder Pro, by StylemixThemes, builds those estimate forms with a calculation builder and unlimited forms.
What it brings
- Unlimited estimate forms, built in a few steps.
- A calculation builder, for defining how the price is composed.
- Lead capture, which is what it genuinely serves.
- Price transparency, with the cost calculated on the spot.
- A professional finish so the calculator does not look bolted on.
How to build it so the number holds up
Include the variables that genuinely move the price. On a renovation it is not only the floor area: it is whether things have to be stripped out, whether the building has a lift, which floor, and whether the client is living there while it happens. A calculator asking only for square metres gives a number that never holds.
Give a range, not an exact figure. "Between this and this" is honest and still tells the person whether it is within their budget, which is the only thing they need at that moment.
Say what is not included, right there. Materials, permits, waste removal, tax. One line under the result avoids the entire awkward conversation.
The result before the email. Asking for contact details before giving the number sends people to another site. The email gets asked for afterwards, to send the breakdown, and then they give it without hesitation.
Who it works for and who it does not
It works when the price is composed of variables the customer knows: metres, units, hours, rooms, distance. Renovations, cleaning, removals, printing, transport, web development.
It does not work when the price depends on a diagnosis only you can make. There a calculator gives an invented number and does damage. In those cases the right answer is a form collecting the details and promising a quote within twenty-four hours.
Requirements
It needs WordPress. And prior work from you: you have to know how your price is composed before you can programme it, and that exercise is half the value of building it.
Alternatives in the catalogue
The direct alternative is Stylish Cost Calculator, with more weight on design and on a quote that can be printed or emailed, which matters in domestic selling because it has to be discussed at home.
If the calculation is for a loan, do not use a general calculator: WP Amortization Calculator produces a genuine amortisation schedule, with interest.
If the calculated price has to end in a cart rather than a lead, that is something else: Uni CPO calculates a WooCommerce product's price from a formula, which is what made-to-measure selling requires.
And if the price always has to be negotiated, the right piece is not a calculator: Request a Quote turns the buy button into a quote request.
So the long form gets completed, WS Form PRO splits it into steps with conditional logic.
Frequently asked questions
Is it useful for capturing leads?
Yes, that is its best use: people use it even when they are not ready to hire.
Should I ask for the email before the result?
No. Putting the wall before the number makes them leave. Ask afterwards, for the breakdown.
Exact figure or range?
Range. It is honest and still answers the only thing the person needs to know.
And if the price depends on a diagnosis?
Then do not use a calculator. A form promising a quote within a set time is better.
Can it charge the calculated amount?
Not its territory. Selling at a formula-based price needs a WooCommerce plugin.
What is the real work of building it?
Understanding how your price is composed. That exercise is worth almost more than the calculator.
Topics
Version history
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v
3.6.12 Current 17 Mar 2026
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Frequently asked questions
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GPL (General Public License) is the license under which WordPress and most premium plugins/themes are distributed. It grants you the right to use, modify and redistribute the software in as many projects as you want, with no domain restrictions.
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Yes. With membership you get automatic updates via our GPLClub Updater plugin (installed on your WP, detects new versions and applies them). With individual purchase, you get one year of manual updates from your account.
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Depends on the plan. Monthly: 3 domains. Semi-annual: 7. Annual and Lifetime: 15. Individual purchase: 1 domain.
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GPLClub offers its own support for installation, configuration and compatibility. For direct support from the original author (feature requests, product-specific bugs), a license purchased from the author is required.