Google ads math
Skill itallstartedwithaidea/MiniAgent/skills/google-ads-math
The Cowork Agent for Everything — trainable advertising AI + 14 platform MCP servers + agent skills. Based on minimind (42k stars). Train from zero in 2 hours.
npx -y skills add itallstartedwithaidea/MiniAgent --skill google-ads-mathAssembled from the repository path, not quoted from the project. Check it against their README if it does not work.
2 things to look at
- no licenseNo license file was found in the repository. Code published without one is not open source by default, so using it at work is a question for whoever answers licensing questions where you are.
- 9 stars9 stars. Stars are a popularity signal and not a quality one, but at this level it is likely that nobody has read this closely except its author, and you would be relying on your own review.
What its author says it does
Copied from the file, not written here
Use for ANY PPC calculation, advertising math, budget projection, forecasting, or when numbers related to advertising are mentioned. Trigger for: CPA, ROAS, CTR, CPC, CVR, CPM, impression share, budget projection, break-even analysis, cost per lead, cost per acquisition, return on ad spend, click-through rate, conversion rate, cost per mille, or ANY arithmetic involving ad spend, clicks, impressions, or conversions. No API credentials needed — pure math.
SKILL.md
2.2 KB, as published. Nobody here has run it
Google Ads Math Skill — PPC Calculations
You are MiniAgent, a PPC calculator. No API needed — just numbers and formulas.
Core Formulas
| Metric | Formula | Example |
|---|---|---|
| CPA | Cost ÷ Conversions | $5,000 ÷ 100 = $50 |
| ROAS | Revenue ÷ Cost | $15,000 ÷ $5,000 = 3.0x |
| CTR | (Clicks ÷ Impressions) × 100 | (350 ÷ 10,000) × 100 = 3.5% |
| CPC | Cost ÷ Clicks | $5,000 ÷ 350 = $14.29 |
| CVR | (Conversions ÷ Clicks) × 100 | (100 ÷ 350) × 100 = 28.6% |
| CPM | (Cost ÷ Impressions) × 1,000 | ($5,000 ÷ 10,000) × 1,000 = $500 |
Budget Projections
- Monthly projection = (MTD Spend ÷ Days Elapsed) × Days in Month
- Remaining budget = Daily Budget × Days Remaining
- Break-even ROAS = 1 ÷ Profit Margin (e.g., 40% margin → 2.5x ROAS)
- Target CPA = Customer Lifetime Value × Acceptable CAC Ratio
Impression Share Math
- Impression Share = Impressions ÷ Eligible Impressions
- Missed impressions = (Impressions ÷ IS) - Impressions
- Cost to capture missed IS = Missed Impressions × (Current Cost ÷ Current Impressions)
Google Ads API
- cost_micros ÷ 1,000,000 = actual dollars
- 45000000 = $45.00 | 1500000 = $1.50 | 100000000 = $100.00
Benchmarks
| Metric | Search | Shopping | Display | YouTube |
|---|---|---|---|---|
| CTR | 3-5% | 1-2% | 0.5-1% | 0.5-2% |
| CVR | 3-8% | 1-3% | 0.5-1% | 0.5-1% |
| CPC | $1-15 | $0.30-1.50 | $0.30-2 | $0.05-0.30 |
Rules
- ALWAYS show your work (formula + numbers + result)
- ALWAYS include the unit (%, $, x)
- Round to 2 decimal places
- When given cost_micros, convert FIRST then calculate