Advertising returns
ROAS & Break-even Calculator
Compare attributed revenue with ad spend, then apply gross margin to estimate contribution after advertising.
- ROAS
- Break-even ROAS
- Gross profit
- Contribution
Free browser-based tools
Marketing math, without the spreadsheet detour.
Choose a dedicated calculator or builder. Every tool runs in your browser; DMG does not receive or store the values you enter.
Tool directory
One focused page for every job
Open a calculator, adjust the example inputs, and share or bookmark its permanent URL for the next campaign review.
Acquisition costs
CPA & Cost-per-Lead Calculator
See what you paid for each lead and completed conversion, plus the rate at which leads became conversions.
- Cost per lead
- CPA
- Lead conversion rate
Delivery diagnostics
Campaign Efficiency Calculator
Turn impressions, clicks, spend, and conversions into four common campaign diagnostic metrics.
- CTR
- CPM
- CPC
- Conversion rate
Spend control
Campaign Budget Pacing Calculator
Compare actual spend with a simple even-spend plan and estimate where the current daily rate will finish.
- Pacing status
- Percent of pace
- Projected total
- Daily budget remaining
Campaign tracking
UTM Campaign URL Builder
Create an encoded campaign URL using consistent parameters. Values stay on this device unless you copy and share the completed link.
- Source
- Medium
- Campaign
- Content
Private by design
Your working values stay in the browser
The calculators use client-side arithmetic and the UTM builder assembles its URL locally. Inputs are not submitted to or stored by DMG. Values may still appear in browser history, screenshots, or links you choose to copy and share.
Need the vocabulary behind a result? Browse the metrics playbook or search the A–Z glossary.