Google Ads Budget Calculator
Clicks, leads and budget for a target number of enquiries.
Your numbers
Monthly budget
₹60,000
Clicks needed
2,000
Effective CPL
₹600
Daily budget
₹2,000
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Definition
A Google Ads budget is the monthly spend needed to buy enough clicks to produce your target number of leads. Work backwards: leads needed, divided by landing-page conversion rate, gives clicks; clicks multiplied by cost per click gives budget. Guessing a round number first is how accounts end up under-funded.
The formula
Budget = (Leads needed ÷ Conversion rate) × Cost per click
This gives the media budget only. Add management fees and any landing-page or tracking costs on top to get what the channel actually costs you — and treat the first two months as a learning investment, because the algorithm needs conversion volume before it optimises well.
A worked example
A Gurugram interior design firm wanting 40 enquiries a month
- 1Target: 40 qualified enquiries per month.
- 2Landing page converts at 4%, so clicks needed = 40 ÷ 0.04 = 1,000.
- 3Average CPC for their keywords in Delhi NCR: ₹85.
- 4Media budget = 1,000 × ₹85 = ₹85,000 per month.
₹85,000 in media, plus management. Had they set a ₹40,000 budget as originally planned, they would have bought roughly 470 clicks and 19 leads — then concluded Google Ads does not work for interiors.
How to move the number
Buy conversion rate before you buy clicks
Every point of landing-page conversion rate reduces the budget you need for the same leads. Going from 3% to 5% cuts the required spend by 40% — no auction involved.
Concentrate budget, do not spread it
A small budget split across Search, PMax, Display and YouTube gives none of them enough conversion data to optimise. One well-funded Search campaign beats four starved ones almost every time.
Fund the learning period honestly
Smart Bidding needs roughly 30 conversions in 30 days per campaign to work well. If your budget cannot produce that, either narrow the targeting until it can or use manual bidding until volume arrives.
Set the budget from what a lead is worth
If a customer is worth ₹40,000 in gross profit and one in four leads closes, a ₹3,000 lead is still a 3:1 return. Budget from that ceiling rather than from what feels comfortable.
Where people get this wrong
- Picking a round budget first and hoping it produces enough leads, instead of calculating backwards from the lead target.
- Spreading a small budget across every campaign type, so none of them accumulates enough data to optimise.
- Forgetting that management fees, landing pages and tracking sit on top of the media number.
- Judging the account in month one, before the learning period has finished and before the sales cycle has closed.
Google Ads Budget Calculator — questions we get
What is the minimum Google Ads budget in India?
There is no platform minimum, but there is a practical one. Below roughly ₹30,000-₹50,000 a month in most competitive categories you cannot generate enough conversions for automated bidding to learn, so results stay erratic. In cheap, low-competition local niches, less can work.
How much should I spend as a percentage of revenue?
Common guidance is 5-10% of revenue for established businesses and 12-20% when you are growing aggressively. Treat that as a sanity check rather than a method — budgeting backwards from lead targets and lead value is far more accurate.
Should I include agency fees in the budget?
Separate them, but plan for both. Media buys the clicks; the fee buys the management that decides whether those clicks are wasted. Budgeting only for media and then discovering the fee is a common reason accounts get cut short.
How long before Google Ads produces results?
Search campaigns can generate enquiries in the first week or two once tracking is live. Stable, optimised cost per lead usually takes six to twelve weeks, because that is how long it takes to accumulate the conversion data the system needs.
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