Free tools
Free marketing calculators for agencies.
A growing toolkit of fast, no-signup calculators for the metrics agency and marketing teams reach for every day — from CPM and ROAS to LTV, churn, and A/B test sizing.
27 tools
- Media & ads
Ad Fatigue / Frequency Calculator
Enter impressions and unique reach to see average frequency — and whether your creative is heading for fatigue.
Open tool - Media & ads
Conversion Rate Calculator
Work out conversion rate from visitors and conversions — or solve for the visitors or conversions a target rate implies.
Open tool - Media & ads
CPA Calculator
Work out cost per action — or solve for spend or actions when you already know two of the three.
Open tool - Media & ads
CPC Calculator
Work out cost per click — or solve for spend or clicks when you already know the CPC.
Open tool - Media & ads
CPL Calculator
Work out cost per lead — or solve for spend or lead volume when you know the CPL.
Open tool - Media & ads
CPM Calculator
Work out cost per thousand impressions — or solve for spend or impressions when you know the CPM.
Open tool - Media & ads
CPV Calculator
Work out cost per view for a video campaign — or solve for spend or views when you know the CPV.
Open tool - Media & ads
CTR Calculator
Work out click-through rate — or solve for clicks or impressions when you already know the CTR.
Open tool - Media & ads
DOOH CPM Calculator
Turn digital out-of-home media spend, ad plays, and audience per play into a comparable CPM.
Open tool - Media & ads
Engagement Rate Calculator
Turn total engagements and your reach or follower count into a clean engagement-rate percentage.
Open tool - Media & ads
OOH Budget Simulator
Split an out-of-home budget across formats and markets to estimate impressions and effective CPM.
Open tool - Media & ads
ROAS Calculator
Work out return on ad spend — or solve for the revenue or spend you need when you know the ROAS.
Open tool - Growth & retention
Agency Health Score
A 15-question diagnostic that scores your agency’s resilience across revenue, pipeline, team, and process.
Open tool - Growth & retention
Break-Even Calculator
Enter fixed costs, price, and variable cost per unit to find the volume where a product pays for itself.
Open tool - Growth & retention
Churn Rate Calculator
Enter customers at the start of a period and how many you lost to see your churn rate and retention rate.
Open tool - Growth & retention
Customer Acquisition Cost (CAC) Calculator
Divide your sales & marketing spend by new customers to see what each one costs — and check it against LTV.
Open tool - Growth & retention
Customer Lifetime Value (LTV) Calculator
Estimate the gross profit a customer generates over their lifetime from monthly revenue, margin, and lifespan.
Open tool - Growth & retention
Email Campaign ROI Calculator
Model the full email funnel — sends, opens, clicks, conversions — to see the revenue and ROI a campaign returns.
Open tool - Growth & retention
Rate & Margin Calculator
See the billing rate your agency needs to charge to hit a target margin after overhead.
Open tool - Growth & retention
ROI Calculator
Enter revenue and total cost to see return on investment, net profit, and the cost-to-profit split.
Open tool - PR & influence
AVE Calculator
Estimate the paid-advertising cost equivalent of earned media coverage — a contested metric, used with caution.
Open tool - PR & influence
Event Cost (CPX) Calculator
Divide total event cost by attendees — and qualified leads — to see your true cost per attendee and cost per lead.
Open tool - PR & influence
KOL / Influencer Pricing Calculator
Estimate a fair sponsorship fee for a creator from their followers, engagement rate, and your target CPM / CPE.
Open tool - PR & influence
Share of Voice (SOV) Calculator
Work out your share of voice from mentions or spend — or solve for the total market or your own share when you know the other two.
Open tool - Experiments & utilities
A/B Test Sample Size Calculator
Work out how many visitors per variant you need before an A/B test result is statistically valid.
Open tool - Experiments & utilities
QR Code Generator
Turn any link into a downloadable QR code for posters, packaging, and out-of-home placements.
Open tool - Experiments & utilities
UTM Builder
Generate clean, consistent tracking links with UTM parameters so every visit is attributed correctly.
Open tool
These tools answer one number — Multiply answers the rest
A calculator tells you a CPM. Multiply is the AI operating system that connects every metric, brief, and signal across the brands you manage — so your whole agency works sharper.