Tools

Fast calculators for founders and marketers. Each tool includes a short explanation + examples. All free.

CPA Calculator (CPM → CPC → CPA)

Estimate CPC and CPA from CPM, CTR and CVR. Includes optional break-even CPA from AOV, margin, fees and refunds.

MarketingFunnel

Open

ROAS + profit estimator

Turn ROAS into profit using margin, fees and refunds. Includes break‑even ROAS.

MarketingE‑commerce

Open

CAC & LTV (incl. churn)

Compute CAC, LTV and LTV:CAC ratio with margin and churn adjustments.

SaaSUnit economics

Open

Payback period

Months to recover CAC from contribution profit. Helpful to set budget caps.

FinancePlanning

Open

Pricing quick check

Floor price to hit a target margin after COGS, fees and refunds.

PricingOps

Open

CPM Calculator

Compute CPM from spend and impressions.

AdsBasics

Open

CTR Calculator

Compute CTR from clicks and impressions.

AdsBasics

Open

Conversion Rate (CVR) Calculator

Compute CVR from conversions and clicks/sessions.

FunnelBasics

Open

Break-even CPA Calculator

Max CPA you can pay without losing money on first order.

E-commerceUnit economics

Open

LTV:CAC Ratio Calculator

Compute LTV, LTV:CAC and CAC payback.

SaaSUnit economics

Open

MRR & ARR Calculator

Compute ending MRR, net new MRR and ARR.

SaaSRevenue

Open

Churn & Retention Calculator

Compute churn and retention from start/end values.

SaaSRetention

Open

Page RPM & eCPM Calculator

Compute Page RPM and eCPM from earnings and traffic.

AdSensePublisher

Open

Want more tools?

We’re adding more calculators over time (NRR, retention cohorts, CPM→CPA equivalences, cash runway). Meanwhile, the guides section has practical formulas you can reuse.