Stop 06 · Paid Advertising (PPC)Topics · 9/12

Campaign Budgeting

In short

A budget isn't a number you pick because it feels right. Work backwards from the result you want, and you'll know exactly how much to spend and when to stop.

Allocating and pacing spend across campaigns — daily versus lifetime budgets, and deciding how much to invest in testing new audiences/creative versus scaling what already works.

The blob sits on a hostel bed counting coins into a row of small glass jars.

Think of it like this

Hostel pocket money

You get ₹6,000 a month at the hostel. Some days you spend ₹300 on a birthday treat, some days ₹100. You're fine as long as the month adds up. Google Ads daily budgets behave a lot like that.

Watch it happen

A ₹1,000 daily budget over one week

Mon ₹800

Tue ₹1,500

Wed ₹1,900

Thu ₹600

Fri ₹1,200

Sat ₹700

Sun ₹300

1/4Daily budget is ₹1,000. Google is allowed to spend more on busy days and less on quiet ones.

The big ideas

What you need to know

Work backwards

Leads wanted x cost per lead = budget needed. Start from the goal, not from a round number.

Daily vs lifetime

Daily budgets keep spend steady. Lifetime budgets (common on Meta) spread a total across set dates.

Keep a test budget

Hold back some money, say 10 to 20 percent, for trying new audiences and ads.

Scale slowly

Raise budgets in steps and watch cost per result. Big jumps can push costs up.

See it in code

Walk through the code

excel

1B1  Target leads per month     1002B2  Expected cost per lead     ₹2503B3  Monthly budget needed      =B1*B2          → ₹25,0004B4  Daily budget               =B3/30.4        → ₹8225B5  Test budget (15%)          =B3*0.15        → ₹3,750

1/3Inputs: how many leads you want and what each usually costs.

A tiny Google Sheets planner. Change the cost per lead and see how fast the budget moves.

Save yourself the pain

Common mistakes

Oops

Panicking when one day spends almost double the daily budget.

Do this instead

That's normal on busy days. Check the monthly total instead.

Oops

Splitting a tiny budget across ten campaigns.

Do this instead

Each campaign gets too little data to learn. Fewer campaigns with enough budget learn faster.

Your mission

Build a budget planner

~20 min

Quick check

A client wants 60 leads a month and each lead costs about ₹400. What monthly budget do you need?

Go deeper

1Draft a budget split for a hypothetical multi-campaign paid strategy.
2Learn the difference between daily budgets and campaign lifetime budgets.
3Practice reasoning about when to scale spend on a winning campaign versus keep testing.