The Media Guides’ Essential Marketing Calculators & Planning Tools
Seven free calculators covering CPM, campaign cost, CTR, viewability, CPC, cost per goal and ROI, the core numbers behind any digital media plan. Work out what a campaign should cost, whether your click-through and viewability rates stack up, and what return you actually got, then talk to us about what the results mean for your business.
Which calculator do I need? Find it, or just search for it
| If you’re asking… | Use this calculator |
|---|---|
| “What will 500,000 impressions cost me?” | CPM Calculator |
| “How many impressions can my budget actually buy?” | Campaign Cost Calculator |
| “Are people actually clicking on this ad?” | CTR Calculator |
| “Is my inventory or placement actually being seen?” | Viewability Calculator |
| “What am I really paying per click?” | CPC Calculator |
| “What’s each lead or sign-up actually costing me?” | Cost Per Goal Calculator |
| “Did this campaign actually make money?” | ROI Calculator |
Calculator Help
Or, search for what you’re trying to work out
Search formulas, benchmarks and definitions across all seven calculators on this page.
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Take the questionnaire >Our CPM calculators are useful tools for online marketers and publishers. They help determine the cost of advertising per thousand impressions, commonly known as cost per mille (CPM), the metric almost every display, video, social and CTV buy is still priced against. Knowing how to calculate CPM matters when setting advertising budgets, comparing quotes from different publishers or platforms, and evaluating whether a campaign actually delivered value for money. If you’re planning spend across multiple channels, run the same numbers through each one before you commit, the gap between a “cheap” CPM and an expensive one is rarely obvious until you do the maths.
Example scenarios: CPM vs CPC
Purchase 10,000 ads at a $2 CPM and your campaign costs $20 total. With cost-per-click (CPC) advertising, you only pay for actual clickthroughs, agree to $1.50 per click and you’re charged $1.50 for every click received.
You can convert between CPM and CPC using Click-through Rate (CTR), which tells you how often people click your ads once a campaign is live.
How do you calculate CPM?
CPM stands for cost per thousand impressions. The formula is: CPM = 1000 × cost / impressions.
Cost (what you’ll pay): cost = CPM × impressions / 1000
Impressions (what your budget buys): impressions = 1000 × cost / CPM
CPM is simple to understand, implement and bill, which is why it’s so widely used. Its main limitation is that it isn’t tied to the value of the ad itself, so it’s hard to know whether the traffic it generates actually converts. A cost-per-click (CPC) model gives you a more direct read on that, since you only pay when someone actually clicks through. A related model, cost-per-action (CPA), is considered lower-risk again, you only pay when the user takes a defined action, like registering or purchasing.
What counts as a good CPM?
It depends entirely on your industry and channel, there’s no universal number. The practical approach: find your industry’s typical CPM range (see the benchmark table below), then aim to sit below the middle of that range. The most reliable way to bring your CPM down is lifting the number of views your ads earn relative to spend.
What does a bad CPM look like?
A CPM that’s above your industry average and still climbing. That means you’re paying more for the same views, and downstream metrics like CPC usually rise with it, putting pressure on your margins.
What actually moves CPM down?
Audience targeting, ad positioning and channel mix all play a part, there’s no single lever. Our Media Mastery and Marketing Marvels guides go deeper on multi-channel optimisation if you want to work through it properly.
How do I calculate a blended CPM across multiple channels?
Add up total spend across every channel, then divide by total impressions across those same channels (in thousands): blended CPM = 1000 × total spend / total impressions. It’s a useful top-line number for reporting, but it can mask individual channels running well above or below average, so check each channel’s CPM separately before optimising.
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What does CTR actually measure?
Click-through rate: the share of people who clicked your ad out of everyone who saw it. It’s one of the fastest signals you get on whether a campaign is actually landing.
How do you calculate CTR?
CTR = 0.01 × number_of_clicks / number_of_impressions — it’s expressed as a percentage, hence the 0.01 multiplier.
Choosing between CPM and CPC comes down to what you’re optimising for. CPC ties directly to the value your traffic delivers; CPM is the more reliable read for publishers. If website visits aren’t the goal and brand awareness is, display advertising priced on CPM often makes more sense.
How do you calculate CPC?
The direct formula: CPC = total_cost / number_of_clicks. Or derive it from CPM and CTR: CPC = (CPM / 1000) / (CTR / 100) = 0.1 × CPM / CTR.
Most advertisers today compete for placements through programmatic real-time bidding (RTB), where algorithms weigh each ad’s CPC bid, performance history and available user data to predict likely revenue per impression.
CPM vs CPC — what’s the actual difference?
CPM is what it costs to get your ad seen by 1,000 people. CPC is what you pay for each individual click. One prices exposure, the other prices action.
What actually counts as “viewable”?
Viewability measures whether an ad was actually seen, not just served. Most bodies follow the IAB/Media Rating Council (MRC) standard: for display, at least 50% of pixels visible for one continuous second; for video, at least 50% visible and playing for two continuous seconds.
Why does viewability matter if impressions are already booked?
Because a served impression nobody actually saw is money with no chance of return. Viewability is how advertisers gauge real campaign impact and ROAS, and how publishers and platforms prove their inventory is genuinely worth buying.
What’s a “good” CTR, and does it vary by channel?
Significantly, yes. Search typically sees the highest CTRs (2-5%), display the lowest (0.05-0.15%), with social and video sitting in between, see the benchmark table below for typical Australian ranges. Comparing your display CTR against a search benchmark will make a perfectly healthy campaign look like it’s underperforming, so always benchmark within the same channel.
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Post Click Conversion & ROI Calculators
These conversion calculators go beyond clicks, use them to track your sales funnel and estimate return on investment (ROI). A click tells you someone was interested; cost per goal and ROI tell you whether that interest turned into something worth paying for, a lead, a sale, a sign-up. Run these numbers alongside your CPM, CTR and CPC results and you get the full picture: what a campaign cost, how it performed along the way, and whether it actually paid for itself.
What does ROI actually mean here?
Return on Investment, a ratio of net gain to net cost. It’s how businesses judge whether a campaign or investment actually paid off, not just whether it “worked”.
How do you calculate marketing ROI?
You need two numbers: the gain from the investment, and its total cost.
ROI = ( G – C ) / C
Where G is gain from investment, and C is cost of investment.
Worked example
Say you’re a marketing manager who launches a new program with a $250,000 budget. It drives $200,000 in profit growth in each of the following two years. Your total gain is both years combined: G = $200,000 + $200,000 = $400,000.
Applying the formula: ROI = ($400,000 – $250,000) / ($250,000) × 100% = 0.6 × 100% = 60%. A 60% ROI on the program.
Why use ROI at all?
No complicated maths, it’s a simple ratio. Easy to interpret and compare at a glance. Only needs two inputs: gain and cost.
Where ROI falls short
It ignores the time value of money, so a higher ROI isn’t automatically a better outcome unless you’re comparing like-for-like time periods. It’s also only valid when the gains and costs you’re comparing are actually attributable to the investment, not to other factors.
What’s a good ROI for digital ads?
A common benchmark is 5:1 ($5 earned per $1 spent), with 10:1 considered exceptional. Treat this as a rough yardstick, not a target, the right number depends on your margins, category and objectives.
What’s the difference between ROI and ROAS?
ROAS (Return on Ad Spend) measures revenue against media spend only. ROI factors in your full cost of investment, including production, staff time and platform fees, against net profit, not just revenue. ROAS tells you if the media worked; ROI tells you if the campaign was actually worth running.
Typical Australian market benchmarks
Indicative ranges only — actual performance varies significantly by category, targeting, creative quality and seasonality. Treat these as a rough sense-check against your own calculator results, not a benchmark to hit exactly. For current, authoritative Australian data, see the IAB Australia Online Advertising Expenditure Report.
| Channel | Typical CPM (AUD) | Typical CTR |
|---|---|---|
| Display (standard) | $1 – $6 | 0.05% – 0.15% |
| Video (pre-roll/in-stream) | $15 – $35 | 0.5% – 1.5% |
| CTV / BVOD | $25 – $45 | N/A (view-through metric) |
| Social (feed) | $8 – $18 | 0.8% – 2% |
| Search | N/A (CPC model) | 2% – 5% |
| Digital out-of-home | $10 – $20 | N/A (impression-based) |
Where these numbers come from
IAB Australia
The peak trade association for digital advertising in Australia — research, measurement standards, viewability and ad fraud guidelines.
Peak BodyADMA
Australia’s peak body for data-driven marketing and advertising — compliance guidance, privacy and responsible AI use in marketing.
Peak BodyMedia Federation of Australia
Represents Australian media agencies — industry census data, best-practice guidance and effectiveness benchmarks.
Global StandardsIAB Tech Lab
Global technical standards body for adtech — ads.txt, supply chain transparency and measurement specifications.
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What to do once you’ve got your numbers
I’ve run the numbers — now what?
A number on its own doesn’t tell you whether it’s good, bad, or where to focus first. That context is where most of the value actually sits. If you’d like a second set of eyes on what your results mean for your business specifically, get in touch and we’ll help you make sense of it.
My results look worse than I expected — is that a problem?
Not necessarily — it depends heavily on your category, channel mix and campaign objectives, which a calculator can’t account for. Rather than guessing, book a free consultation and we’ll tell you honestly whether it’s actually a concern.
This all feels like a lot to manage on my own — can someone just do it for me?
Yes. If media planning, MarTech, or campaign performance work feels like more than your team has time or expertise for, that’s exactly the gap The Media Guides fills — from a single audit through to ongoing strategy and execution. See the full range of services we offer.
How do I know which area to focus on first?
Most businesses have one or two levers doing most of the work — the trick is knowing which ones, rather than trying to fix everything at once. This is the first thing we help clients identify. Take the readiness questionnaire for a quick read on where you stand, or go straight to a consultation.
Can The Media Guides help improve these numbers, not just calculate them?
Yes — this is the core of what we do. From MarTech strategy and lifecycle personalisation through to media operations and enterprise transformation, our 18 service lines are built to move these numbers, not just report on them.
How accurate are the benchmark ranges on this page for my specific industry?
They’re a general starting point, not a verdict — actual benchmarks shift significantly by category, audience and even time of year, which is exactly why a generic range can only take you so far. If you want to know what “good” actually looks like for your business specifically, that’s a conversation, not a lookup table — get in touch and we’ll tell you honestly.
Which industry standards body should I actually be paying attention to?
It depends what you’re trying to solve. IAB Australia, ADMA and the Media Federation of Australia each cover different ground — measurement and adtech standards, data and privacy compliance, and agency-side effectiveness benchmarks respectively. If you’re not sure which is relevant to your situation, that’s a quick thing we can point you toward directly.
Is there a Business Challenges page that maps to what I’m seeing in these results?
Yes — if what these numbers point to is really a bigger commercial question (revenue growth, retail media, attribution, M&A integration), the Business Challenges hub maps common situations to the right starting point, including scoped Strategy Sprints.
How often should I rerun these calculations?
At minimum, at the start and end of every campaign. For always-on or ongoing spend, a monthly check is usually enough to catch drift early, seasonality, platform algorithm changes and audience fatigue can all move your numbers gradually without a single dramatic red flag to alert you.
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Formulas, fine print and how these tools actually work
How do I calculate Cost Per Goal (CPG)?
CPG = total campaign cost / number of goals achieved. A “goal” is whatever conversion you’re tracking, a lead, sign-up, sale or app install, so define it clearly before you calculate, the same spend produces a very different CPG depending on what counts as a goal.
What’s a good Cost Per Goal benchmark?
There’s no universal figure, it depends entirely on the value of the goal itself. A $50 CPG is excellent for a high-value B2B lead and poor for a low-margin ecommerce sale. Work backwards from what a goal is actually worth to your business, then treat that as your ceiling.
What’s the difference between Cost Per Goal (CPG) and Cost Per Acquisition (CPA)?
In practice, the terms are used almost interchangeably. CPA traditionally refers specifically to a completed sale or customer acquisition, while CPG (or Cost Per Action) covers any defined action, a lead, sign-up or download included. If a platform reports CPA, check what “acquisition” is actually defined as before comparing it to your own CPG.
How does the Campaign Cost Calculator work?
It runs the CPM formula in reverse: instead of solving for cost, it solves for how many impressions your budget actually buys, impressions = 1000 × budget / CPM. Useful for translating a fixed media budget into an expected reach before you commit spend.
Are these calculators actually free to use?
Yes, no sign-up, no email gate and no limit on how many times you use them. They’re here as a genuine gut-check tool, not a lead-capture mechanism.
Can I use these calculators for offline or traditional media, not just digital?
Partially. CPM works for any media priced on a per-thousand-reach basis, including print, radio and out-of-home. CTR, CPC and viewability are digital-specific, since they rely on click and pixel-level tracking that traditional media can’t measure the same way.
Do these calculations include GST or agency fees?
No, they work off whatever cost figure you enter. If you want an all-in view, add GST and any agency, platform or management fees to your cost input before calculating, otherwise you’re comparing net media cost only.
What currency are these calculators set up for?
They’re currency-agnostic, the formulas work with whatever figures you enter. The benchmark table further down the page is specifically in AUD and reflects the Australian market.
What’s the difference between reach and impressions?
Reach is the number of unique people who saw your ad. Impressions count every individual ad view, including repeat views from the same person. A campaign can have far more impressions than reach if the same audience is seeing your ad multiple times.
What is frequency, and how does it relate to CPM?
Frequency is the average number of times a single person sees your ad (impressions divided by reach). High frequency against a small audience can inflate your effective cost per unique person reached even when your headline CPM looks reasonable, worth checking alongside CPM, not instead of it.
Is my data stored when I use these calculators?
No, the calculators run entirely in your browser, nothing you enter is sent to or stored on our servers.
How often are the benchmark figures on this page updated?
Reviewed periodically against current IAB Australia, ADMA and Media Federation of Australia reporting, but treat the table as a directional sense-check rather than a live feed, always cross-reference the linked industry sources for the most current figures before relying on them for a major decision.
My campaign has a mix of CPM and CPC placements, how do I compare performance across them?
Convert everything to a common unit before comparing, usually effective CPM (eCPM): for CPC placements, eCPM = 1000 × (clicks × CPC) / impressions. That gives you a like-for-like cost-per-thousand figure across both pricing models.
What’s viewable CPM (vCPM), and how is it different from standard CPM?
Standard CPM is priced on served impressions, whether or not the ad was actually seen. vCPM only counts impressions that met the IAB viewability standard (see the Viewability Calculator above), giving a more honest read on what you’re actually paying for genuine attention.
Should I use these calculators instead of working with an agency or consultant?
They’re a starting point, not a replacement. A calculator tells you what a number is; it can’t tell you whether that number is right for your specific business, category and objectives, that’s the part a conversation solves. Book a free consultation if you want the numbers interpreted, not just calculated.
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