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Free NZ tool · Website ROI

Website ROI calculator

A good website is a salesperson that never sleeps. Move the sliders and see the extra jobs, revenue and payback a better-converting site could bring you.

This free website ROI calculator for NZ businesses turns your real traffic, conversion and job value into a plain figure: the extra revenue and the payback a better-converting site would earn. Move the sliders below to see your own numbers, then read the notes underneath on why conversion beats traffic almost every time.

WEB GRENADE · WHAT A BETTER SITE RETURNS
Visitors to your site / month400
Enquire now current conversion2%
Enquire after a better site5%
Enquiries you win close rate60%
Average job value$800
Extra revenue / month
$1,728
$20,736 a year · 2.2 extra jobs a month
Pays off a $4,000 site in about 2.3 months then it is money in your pocket every month after
See what your real site scores
A model, not a promise. Real results depend on lead quality, your market and how well the site is built. Build band $3,500 to $5,000; hosting $49 to $279/mo.
The plain guide
01

How to think about website ROI as a tradie

$4,000typical build, pays back in months

Forget the word "website" for a second. What you are actually buying is a machine that turns strangers into enquiries while you are on the tools, asleep, or fishing. The only question worth asking is whether that machine brings in more than it costs. For most trades and small businesses, the answer is not close.

Work the real numbers. Say 400 people find your site in a month. If it is slow and unclear, maybe 2 percent enquire, so 8 leads. Win 60 percent of those and that is under 5 jobs. Now put up a fast, clear site that gets 5 percent enquiring. That is 20 leads, 12 jobs, seven more than before. At an $800 average, seven extra jobs is $5,600 a month. A site that cost $4,000 has paid for itself inside the first month and keeps paying every month after.

Those aren't fantasy figures. Lifting conversion from 2 to 5 percent is ordinary when the starting point is a tired site. The calculator above lets you plug in your own numbers instead of ours.

02

Why conversion beats traffic

2% → 5%conversion, not traffic

Most people obsess over getting more visitors. It is the harder, more expensive lever. Ads cost money every single click, and SEO takes months. Conversion is different. The visitors are already there. You are just losing them at the door.

Here is the maths that changes minds. Doubling your traffic doubles your leads and can cost a fortune. Doubling your conversion rate does exactly the same to your leads, costs nothing per visitor, and often just means fixing things that are quietly broken. Two percent to four percent is a doubling. It is also completely achievable. That is why a good build pays back so fast: it is not buying you more visitors, it is stopping the leak.

03

What actually moves conversion

Conversion is not magic and it is not decoration. A handful of unglamorous things do most of the work:

  • Speed. A slow site bleeds enquiries before the page even loads. Every second of delay quietly sends people back to the search results and on to the next tradie.
  • An obvious way to call you. Your phone number and a clear "get a quote" button should follow the visitor down the page. If someone has to hunt for how to contact you, most will not bother.
  • Proof you are any good. Real reviews, real photos of real jobs, a real face. People hiring a tradie are nervous about getting burned. Proof settles that nerve.
  • It has to work on a phone. Most of your visitors are on a phone, often standing in the problem they need you to fix. If the site is a pinch-and-zoom mess, you have lost them.
04

The honest caveats

A website is not a magic money printer, and anyone telling you otherwise is selling something. A site can only convert the traffic it gets, so if nobody knows you exist, fix that first. Lead quality varies too. Ten tyre-kickers are worth less than two people ready to book, and no site turns a bad lead into a good one. And a site that looks lovely but is slow, unclear or invisible on Google will not move any of the numbers in that calculator.

What a good site does do, reliably, is win you more of the work that is already looking for you. That is the whole game. Not tricks, not hype. Just turning more of your existing visitors into paying customers, and doing it fast enough that the build pays for itself in months, not years.

05

Want the real numbers for your site?

The calculator uses estimates. Your actual starting point is knowable. Drop your URL into our free teardown and we will score your site on speed, SEO and whether it actually closes anyone, with real Google Lighthouse numbers and a plain-English read of where you are losing enquiries. No obligation, and no agency runaround. If you would rather see it live, we will build a real demo of your site on a quick call before you owe us a cent.

Build price band and hosting figures are WEB GRENADE's own current pricing. Conversion and traffic principles reflect standard web analytics practice; treat all figures here as a planning model, not a guarantee.

Quick answers
How do you work out website ROI?

Take the visitors your site gets a month, the share of them who turn into an enquiry now versus after a better site, the share of those enquiries you actually win, and your average job value. The gap between now and better, multiplied by job value, is your extra revenue. Divide the build cost by that monthly figure and you get payback in months.

Is a website really worth it for a tradie?

Usually, yes, if it brings work you would not otherwise get. A site that lands two extra jobs a month at an $800 average is $1,600 a month, which clears a $4,000 build in under three months and then keeps paying. The catch is it has to actually convert. A slow, unclear site that nobody enquires through is worth nothing no matter how it looks.

Why does conversion matter more than traffic?

Because doubling a tiny conversion rate is far easier and cheaper than doubling your traffic, and it lifts revenue just as hard. If 100 people visit and 2 enquire, getting to 4 doubles your leads without a single extra visitor. Traffic costs money to buy. Conversion is mostly craft: speed, clarity, reviews and an obvious way to call you.

What actually improves website conversion?

Four things move the needle most: load speed (every second of delay loses enquiries), a phone number and a clear call to action that follow the visitor down the page, real reviews and proof you do good work, and a site that reads instantly on a phone. Fix those and the conversion number in this calculator stops being hypothetical.

Make this tool better

Blunt feedback welcome. It goes straight to the humans who built it.

You did the maths.

Now see the number your website actually scores.

Get real Lighthouse figures and a plain read of where you lose enquiries. Or book a call and we build a live demo of your new site before you pay a cent.