Turn a budget intoa forecast.
Don't gamble with spend. Enter a budget and your funnel rates to see the clicks, leads, customers, revenue, and profit it should produce, and whether the math works before any money moves.
Your numbers
What you plan to spend per month.
Average cost per click.
Clicks that become leads.
Leads that become customers.
Revenue per customer.
What you keep after product cost.
The verdict
Revenue / mo
$16,000
Net profit / mo
$4,600
ROAS
3.20×
Customers
53
Cost per lead
$19
Cost per customer
$94
Spend in, profit out
The funnel
Reverse-solve · plan to a goal
The budget a customer target demands
Budget needed / mo
$4,687
Profit at that scale
$4,313
At a $94 cost per customer, hitting 50 a month takes about $4,687 in spend — and still clears $4,313in profit. If the economics don't hold at scale, fix the weak funnel stage before adding budget.
Sensitivity · does it scale?
Revenue & profit as you change spend
| Monthly budget | Revenue | Net profit |
|---|---|---|
| $2,500 | $8,000 | $2,300 |
| $5,000 | $16,000 | $4,600 |
| $7,500 | $24,000 | $6,900 |
| $10,000 | $32,000 | $9,200 |
| $15,000 | $48,000 | $13,800 |
This forecast scales linearly — so if it loses money at today's budget, spending more just loses faster. Profit comes from fixing a funnel rate, not from a bigger number in the budget box.
Your move
The forecast shows the leak. I help you seal it.
$5,000/mo → 53 customers, $16,000 revenue, 3.20× ROAS, $4,600 profit.
If the weak stage is your page, your follow up, or your offer, that's exactly what I fix. Send me the funnel behind these numbers and I'll show you which single change moves the forecast most.
Plain English
A budget is an input. The forecast is the point.
An ad budget on its own tells you nothing about whether it'll work. The number that matters is what that budget turns into as it flows down the funnel: clicks, then leads, then customers, then revenue and profit.
Each stage is a multiplier. Your budget buys clicks at your CPC; your landing page converts a share of those into leads; your sales process turns a share of leads into customers; and average order value turns customers into revenue. Move any one rate and the whole forecast shifts.
This is the calculator to run before you spend, not after. It shows you the cost per lead and cost per customer the plan implies, the ROAS it should return, and whether the bottom line is profit or loss, so you can fix the weak stage on paper instead of in your bank statement.
The formula
Clicks = Budget ÷ CPC → Leads → Customers → Revenue
$5,000 ÷ $1.50 CPC = 3,333 clicks. At 8% that's 267 leads; at 20% lead to customer, 53 customers; at $300 each, ~$16,000 revenue, a 3.2× ROAS before margin.
The forecast looks weak. Which stage?
Too few clicks.
Your CPC is eating the budget. Lift CTR with stronger creative or test cheaper placements to buy more clicks per dollar.
Clicks fine, few leads.
The landing page is the leak. A conversion rate lift here multiplies every downstream number, usually the highest leverage fix.
Leads fine, few customers.
The gap is sales and follow up. Faster response and a clearer offer convert more of the leads you already paid for.
Everything fine, no profit.
Low AOV or thin margin. Raise order value or protect margin, the funnel can be efficient and still unprofitable if each sale is too small.
Make the budget go further
01Raise landing page conversion
The biggest multiplier in the funnel, small gains here cascade through every later stage.
02Lower CPC with creative
Higher CTR buys more clicks per dollar without raising the budget.
03Speed up follow up
Contacting leads fast lifts lead to customer rate, the cheapest customers you'll get.
04Lift AOV
Bundles and upsells turn the same customers into more revenue and profit.
05Protect margin
Profit is revenue × margin − spend; defending margin keeps the forecast in the black.
06Start small, then scale
Validate the funnel at a modest budget before pouring spend into an unproven sequence.
The vocabulary
- CPC
- Cost per click, what you pay for each visitor.
- Conversion rate
- Share of clicks that become leads on the landing page.
- Lead to customer rate
- Share of leads that become paying customers.
- ROAS
- Revenue ÷ ad spend, the return the forecast implies.
- AOV
- Average order value, revenue per customer.
Ad budget questions
Divide the budget by your CPC to get clicks, apply your landing page conversion rate for leads, your lead to customer rate for customers, and average order value for revenue. This calculator runs the whole chain and adds ROAS and profit.
Keep going
A calculator tells you what. A call tells you what to do about it.
Send me the account behind these numbers. I'll tell you straight where the money's leaking and what I'd fix first — free, and you keep it whether you hire me or not.