Model your cash flow. Test your levers. Protect your liquidity.

Disclaimer: RUNWAY+ is a self-service diagnostic tool. All figures, projections and ratios are estimates based solely on the numbers you enter and are not financial, accounting, tax or investment advice. Results may differ materially from your actual cash position. Always validate key assumptions with your CFO, accountant or financial advisor before making funding, hiring or spending decisions.

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BUSINESS PROFILE

Inputs, metrics and levers adapt to the selected profile.

YOUR NUMBERS

Monthly revenue

Gross margin

Cost of goods sold (COGS)

Optional. When set, gross margin = (revenue − COGS) ÷ revenue.

Monthly operating costs

Marketing spend

Sales spend

Prior-period sales & marketing

Optional — enables the magic number without a second month of history.

New customers / month

Monthly churn

Expansion revenue

Contraction / downgrades

Cash in bank

Monthly debt service

Undrawn credit line

Include undrawn credit line in net runway

Annual revenue growth

Team size

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VERDICT

Enter your numbers to see your diagnosis.

Fill the required fields for this profile to unlock the verdict and diagnosis.

Zero-knowledge: inputs, stress tests and exports never leave this browser.

SCENARIO LEVERS

STRESS TEST

Toggle a lever to see the impact on runway before you execute the decision.

Active levers:None — baseline

Net runway

∞

Baseline: ∞

—

Monthly net burn

Baseline: $0

—

LTV : CAC

Baseline: 0x

—

LEVER IMPACT (Δ vs baseline)

Marginal effect of each lever computed alone against your baseline.

Lever	Δ Runway	Δ Burn	Status
CAC −15%	—	—	—
OpEx −10%	—	—	—
Pricing +10%	—	—	—
Churn +2pp	—	—	—
Churn −1pp	—	—	—
Acquisition +20%	—	—	—

Cash runway

—

Cash ÷ (net burn + debt service)

Gross runway

—

Cash ÷ operating costs

Monthly net burn

—

OpEx − gross profit

Total liquidity

—

Cash + undrawn credit line

LTV : CAC

—

Target ≥ 3x

CAC

—

(Marketing + sales) ÷ new customers

CAC payback

—

CAC ÷ (ARPU × gross margin)

LTV

—

Churn > 0 ? ARPU ÷ churn : ARPU × 36

Burn multiple

—

Net burn ÷ net new ARR

SaaS quick ratio

—

(New + expansion) ÷ (churned + contraction)

Magic number

—

(Net new ARR × 4) ÷ prior-period S&M

Insufficient data — add a second month to compute

ARPU

—

Baseline per-customer revenue

Gross profit

—

0% margin

Rule of 40

—

Growth % + operating margin %

Revenue per employee

—

ARR ÷ team size · per year

Net revenue retention

—

Retention + expansion

CASH PROJECTION · 18 MONTHS

18-month projection — compounding growth applied monthly.

LTV VS CAC

Value created per customer against the cost to win them.