- July 14, 2026
Google Ads can feel like a black box before you start. You know it costs money. You do not know how much, or what you will get back. This free Google Ads cost calculator clears that up. Enter your budget, your cost per click, and your conversion rate. In seconds, you will see clicks, conversions, cost per conversion, revenue, ROAS, and your total campaign cost.
Google Ads cost depends mostly on two numbers. The first is your cost per click. The second is your conversion rate.
Divide your monthly budget by your cost per click to estimate clicks. Then multiply clicks by your conversion rate to estimate conversions. Finally, divide the budget by conversions to get your cost per conversion.
Here is a quick example. A 900 budget at a 2.00 cost per click gives 450 clicks. A 5 percent conversion rate turns that into about 22 conversions. So each conversion costs around 40. Enter your own numbers above for your exact estimate.
Enter your monthly budget, average cost per click, and conversion rate to estimate how many clicks and conversions your Google Ads budget can buy, what each conversion may cost, and your total campaign cost once fees are counted. Pick your currency and campaign type first, then use the same currency in every money field. The calculator does not convert exchange rates.
Results are planning estimates based only on the numbers you enter. Real Google Ads costs depend on your CPC, competition, industry, location, search intent, quality score, landing page, offer, tracking, and setup. This is not financial or advertising advice.
A Google Ads cost calculator is a planning tool. It estimates what a Google Ads budget can realistically buy before you spend anything.
Instead of guessing whether 500 a month is enough, you see the math. You get clicks at your cost per click, conversions at your conversion rate, and a clear cost per conversion.
The tool works the same whether you call it a Google Ads budget calculator, a Google Ads cost estimator, or a PPC cost calculator. The name changes. The arithmetic does not.
What changes between businesses are the inputs. Your cost per click and your conversion rate drive everything. That is why this tool asks for your numbers. It does not fill in industry averages, because an average from another account tells you little about yours.
One honest point comes first. This calculator cannot promise results. It shows what your assumptions imply. Real costs depend on many things a calculator cannot see.
Follow these simple steps.
First, pick your currency and campaign type. The currency selector only changes the symbol. The campaign type changes the wording of your results.
Next, enter your monthly ad budget. This is Google Ads spend only, not fees.
Then set the campaign duration in days. Leave it empty for 30 days.
After that, enter your average cost per click. Use Google Keyword Planner or your own account data.
Now add your landing page conversion rate. This is the share of clicks that become a lead or conversion.
You can also add optional numbers. Add your sale value for revenue and ROAS. Add your close rate if leads are not yet sales. Add customer value if repeat business matters. Add any fees so the total cost is realistic.
Finally, press Calculate Google Ads Cost. Then read the plain English explanation under the results.
Here is exactly what the calculator does. It is written in plain words.
Notice one simple truth. Cost per conversion equals cost per click divided by conversion rate. That single line explains most Google Ads costs.
Imagine a local plumber running a Search campaign. Here are the numbers.
The calculator returns a daily budget of 30. It also shows about 450 clicks and 22 leads. That means a cost per lead of around 40.
Now apply the close rate. A 20 percent close rate turns 22 leads into about 4 customers. If each customer is worth 500, those customers represent roughly 2,250 in value against $900 in spend.
Then change one number. Drop the conversion rate to 2.5 percent. Leads fall to about 11. Cost per lead doubles to 80. The budget never changed. This is why your landing page matters as much as your spend.
Now, picture an online store running a Shopping campaign. Here are the numbers.
The calculator returns 1,500 clicks. It shows about 30 sales. So the cost per sale is around 40. Revenue comes to about 1,800. That is an estimated ROAS of 1.5x on ad spend alone.
Is a 1.5x ROAS good enough? It depends on your product margins. This calculator does not know them. Our break-even ROAS calculator answers that exact question. Run your product costs through it first.
There is no single answer. Anyone who quotes one without knowing your business is guessing.
Costs vary a lot. They depend on your industry, your location, and how many advertisers compete for your keywords. A click in one niche can cost a few cents. A click in another can cost many pounds or dollars.
So work from your own numbers. Take a budget you can afford. Run it through the calculator. Then check whether the cost per conversion makes sense for your business.
Two honest cautions help here. First, a bigger budget does not always mean better results. It buys more clicks at the same quality. Second, a tiny budget struggles to gather data. If it buys only a few clicks a day, you may learn very little.
Costs also change by country. If you target the UK market, our guide on how much PPC costs in the UK gives useful context.
Cost per conversion equals cost per click divided by conversion rate. That one line carries most of the weight.
Say your cost per click is 2.00 and your conversion rate is 5 percent. Each conversion costs 40. Now, imagine competition pushes your cost per click to 3.00. The same conversion now costs 60. Your budget buys fewer results, too.
But you can push the other way. Lift your conversion rate from 5 percent to 7.5 percent. Suddenly, your cost per conversion drops to about 27. You spent nothing extra.
This is why smart advertisers improve pages and offers first. Often, that beats simply raising the budget. Your bidding also shapes your cost per click. If you wonder whether to automate it, our guide on whether you can automate your PPC bidding helps.
Your ad budget is what Google charges you for clicks. Your total campaign cost is what the campaign costs your business. The two are often very different.
Total campaign cost includes more than the ad budget. It adds any management fee, any setup fee, and other costs like landing page tools or call tracking.
Here is an example. Take a 900 ad budget. Add a 200 management fee, a 150 setup fee, and 50 of other costs. Your total campaign cost is 1,300, not 900. The cost per conversion against the true spend is higher, too.
Neither number is wrong. Use the ad budget figure to judge how the ads perform. Use the total figure for business decisions. This calculator shows both. That is why the fee fields exist.
Every result here is an estimate. It is built on your assumptions. Only conversion tracking replaces assumptions with facts.
Without tracking, you know your spend and your clicks. You only guess at leads, sales, and revenue. So you guess at everything that matters.
Set up tracking before you judge a campaign. Make sure leads and sales are counted correctly. Our guide on how to set up PPC conversion tracking walks through it.
Then give the campaign time. Let it gather enough clicks and conversions to form a real sample. A handful of clicks proves nothing either way.
Avoid these common mistakes.
It is a planning tool. It estimates what a Google Ads budget can buy. You get clicks from your cost per click, conversions from your conversion rate, cost per conversion, revenue, ROAS, and total campaign cost with fees. It uses your own numbers, not industry averages.
Work towards your goal. Decide how many conversions you want. Divide by your conversion rate to find the clicks you need. Then multiply clicks by your average cost per click. For example, 20 conversions at a 5 percent rate need 400 clicks. At a 2.00 CPC, that is an 800 budget.
There is no single right amount. It depends on your margins, your goals, and what a customer is worth to you. Start with an amount you can afford while learning. Make sure it buys enough clicks to gather real data. Then adjust once tracking shows results.
It depends on your cost per click. As a rule of thumb, it should cover several clicks per day. Otherwise, the campaign gathers data too slowly. Plan monthly first, then divide by your campaign days. Note that Google treats the daily budget as an average and may spend more on some days.
CPC sets how many clicks your budget buys. A 900 budget buys 450 clicks at a 2.00 CPC. It buys only 300 clicks at 3.00. Since conversions come from clicks, a higher CPC raises your cost per conversion unless your conversion rate improves.
It matters a lot. Cost per conversion equals CPC divided by conversion rate. So doubling your conversion rate halves your cost per conversion. You spend nothing extra. Improving your landing page is often cheaper than raising the budget.
The ad budget is what Google charges for clicks. Total campaign cost adds fees like management, setup, and tools. A 900 ad budget with $400 in fees is a 1,300 campaign. Judge the performance with the first number. Make business decisions with the second.
Yes, if you pay them. Fees do not change how the ads perform. They do change what each conversion truly costs your business. This calculator keeps them separate, then shows the total campaign cost. So you see both views clearly.
Yes. Search is the default here. Use your Search CPC from Keyword Planner or your account. Search intent is usually high, so these campaigns often convert well. Just make sure your landing page matches the Search.
Yes. Pick Shopping as the campaign type. Treat each conversion as a purchase. Enter your average order value for revenue and ROAS. Because Shopping shows products directly, watch your product margins with our break-even ROAS calculator.
Costs rise when CPC is high, conversion rate is low, or both. Common causes include broad targeting, weak landing pages, a soft offer, tough competition, and low quality scores. Poor tracking can also make leads look scarcer than they are. Fix tracking first, then your landing page.
Review it monthly once campaigns run. Also, review it after any big change to ads, keywords, bids, or landing pages. Recalculate with fresh numbers from your account. Budgets set once and forgotten drift away from reality.
A Google Ads budget is not a number you pick. It is a number you calculate. Your cost per click sets how many clicks you get. Your conversion rate sets how many become leads or sales. Your fees set what the whole effort really costs.
So put your own figures into the calculator above. Check the cost per conversion against what a conversion is worth to you. Then let conversion tracking replace estimates with facts once the campaign runs.
Want to plan wider? Our PPC budget calculator and Meta Ads budget calculator help across channels. Our marketing budget calculator splits your total spend. And if you sell products, our break-even ROAS calculator shows the minimum ROAS your margins need.
This calculator provides estimates based on the numbers you enter and is not financial or advertising advice.
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