Know your revenue numbers.

MRR / ARR

Turn plans, seats and billing terms into clean MRR and ARR — including net-new MRR after churn.

NRR

Calculate NRR from expansion, contraction and churn — and see how it compares to SaaS benchmarks.

GRR

Measure the revenue you keep before expansion — your retention floor — against benchmarks.

Churn Rate

Calculate customer and revenue churn, and convert between monthly and annual churn correctly.

ARPU

Average revenue per user/account from MRR and active accounts — monthly and annual.

CAC

Customer acquisition cost from sales & marketing spend and new customers won.

LTV

Customer lifetime value from ARPA, gross margin and churn — the right way, margin-adjusted.

LTV:CAC

The LTV:CAC ratio with payback period — is your acquisition efficient enough to scale?

CAC Payback

How many months to recover CAC from gross-margin-adjusted new MRR.

Magic Number

Sales efficiency: new ARR generated per dollar of prior-quarter sales & marketing spend.

Quick Ratio

Growth efficiency: new + expansion MRR divided by churned + contraction MRR.

Rule of 40

Growth rate + profit margin, including the weighted variant — do you clear 40%?

Burn & Runway

Net burn and months of runway, with a hiring-plan scenario to stress-test your cash.

Break-Even ROAS

The ROAS you need just to break even — and the target ROAS to hit a profit goal.

Ecommerce Margin

Real per-order profit and margin after COGS, marketplace fees, shipping and ad cost.

Margin vs Markup

Convert between profit margin and markup, and find price from cost or cost from price.