Burn Rate & Runway Calculator

Calculate gross/net burn, runway months, cash-out date, and default-alive with optional revenue growth.

Guide
How this tool worksShow steps
  1. 1

    Enter cash on hand, monthly expenses, and revenue.

  2. 2

    View gross burn, net burn, and runway in months.

  3. 3

    Enable revenue growth to model default-alive scenarios.

  4. 4

    Use cash-out date for fundraising timelines.

  • Use cash-out date for fundraising timelines
  • Clear numbers you can trust for planning decisions

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Created by Ranburg · Updated 2026-08-14

What is the Burn Rate & Runway Calculator?

The Burn Rate & Runway Calculator is a free online business tool on Ranburg.com designed for people who need a burn rate & runway calculator without installing software or creating an account. Calculate gross/net burn, runway months, cash-out date, and default-alive with optional revenue growth.

Calculate gross/net burn, runway months, cash-out date, and default-alive with optional revenue growth. Use Burn Rate & Runway Calculator online for free — fast, secure, no software or signup required. Instant results in your browser. Unlike crowded “all-in-one” converter portals that bury the action behind ads and signwalls, this page focuses on one job: help you finish burn rate & runway calculator tasks quickly with transparent steps and clear output.

Who it is for: financial tools professionals, students, freelancers, small businesses, and anyone who needs a reliable browser utility on desktop or mobile. How to start: Enter cash on hand, monthly expenses, and revenue. View gross burn, net burn, and runway in months. Full step-by-step instructions appear above the interactive tool and again in the How to use section below.

Technical basis: Net burn = expenses − revenue; Runway = cash ÷ net burn (or growth simulation). Ranburg publishes free web tools based on real search demand across finance, creators, developers, image/PDF utilities, and Salesforce helpers. Bookmark the Burn Rate & Runway Calculator, share it with teammates, and explore related business tools from the same hub to build topical workflows instead of one-off visits.

Created by Ranburg (Ranburg LLP) — free tools & digital excellence. This page is updated regularly with clearer guides, FAQs, and related links so it stays useful for both users and search engines.

Why use this Burn Rate & Runway Calculator?

Guessing numbers in your head (or rebuilding the same spreadsheet) wastes time and invites mistakes. A dedicated burn rate & runway calculator gives transparent math you can re-run in seconds while you negotiate, plan, or learn.

Ranburg calculators are free, mobile-friendly, and require no signup. Adjust inputs, compare scenarios, and capture results for meetings or personal decisions. That combination — speed, clarity, and zero account friction — is why people keep returning to simple online calculators instead of complex finance apps for everyday questions.

How to use the Burn Rate & Runway Calculator

How to use the Burn Rate & Runway Calculator on Ranburg:

Follow the on-page steps: Enter cash on hand, monthly expenses, and revenue. View gross burn, net burn, and runway in months. Enable revenue growth to model default-alive scenarios. Use cash-out date for fundraising timelines.

Results update as you change inputs so you can experiment without reloading. Technical basis: Net burn = expenses − revenue; Runway = cash ÷ net burn (or growth simulation).

When you finish, copy or download the output and continue in your CMS, spreadsheet, IDE, email, or Salesforce org. Related Business Tools tools sit below so you can chain workflows — for example convert, then compress, then resize — without hunting the directory.

Tip: add this page to bookmarks or your phone home screen if you repeat the same task weekly. Free access and no signup mean the tool stays available whenever you need it.

Step-by-step

  1. Enter cash on hand, monthly expenses, and revenue.
  2. View gross burn, net burn, and runway in months.
  3. Enable revenue growth to model default-alive scenarios.
  4. Use cash-out date for fundraising timelines.

Why use an online burn rate & runway calculator?

Why use an online burn rate & runway calculator?
FeatureManual / desktop softwareBurn Rate & Runway Calculator (Ranburg)
CostLicenses or installsFree forever
SetupDownload & configureOpen the page and start
AccountOften requiredNo signup
SpeedDepends on appInstant in-browser results
PrivacyVaries by vendorClient-side where possible
DevicesOS-specific installsPhone, tablet, desktop

Examples

  • Enter sample values to see how outputs change in real time before applying your actual numbers.
  • Compare multiple scenarios by adjusting inputs — useful for meetings and client quotes.
  • Screenshot or copy results to share with your team, advisor, or accountant.

Benefits

  • Free forever — no signup, subscription, watermarks, or hidden usage limits on Ranburg.com
  • Instant results with a clean interface optimized for the job — not a maze of upsells
  • Works on phone, tablet, and desktop browsers without installing software
  • Clear documentation: steps, examples, FAQs, comparison tables, and related tools on this page
  • Privacy-minded design: calculations run locally in your browser
  • Fast pages built for Core Web Vitals — get to the result quickly
  • Part of a connected Business Tools toolkit so every visit strengthens the same workflow
  • Created and maintained by Ranburg — transparent contact, privacy, and terms pages

Common use cases

  • Everyday financial tools tasks for professionals, students, and freelancers
  • Quick checks during meetings, client calls, demos, or code reviews
  • Learning while doing — read formulas, comparisons, and FAQs beside the live tool
  • Sharing a direct bookmark with teammates instead of forwarding installers
  • Replacing one-off spreadsheet or desktop-app steps for recurring jobs
  • Personal finance planning in INR and quick business quote checks

Supported devices & compatibility

Works on any device with a modern browser. Figures are shown for planning and education; always confirm final loan, tax, or investment decisions with your bank, CA, or advisor. Mobile-friendly inputs make it easy to run numbers during client calls.

Common issues & tips

Results differ from bank apps when fees, floating rates, compounding conventions, or taxes are excluded. Double-check tenure units (months vs years) and whether GST or processing fees apply. Use multiple scenarios before making money decisions.

Privacy & security

Privacy & security: the Burn Rate & Runway Calculator is designed so your inputs and files are processed in your browser whenever possible. That means typical conversions and calculations are not uploaded to Ranburg servers for storage. We do not require an account to use this tool. Review our Privacy Policy and Terms for analytics and contact-form details. Prefer tools that state “files stay on your device” when handling sensitive photos, PDFs, or credentials.

Read our Privacy Policy, Terms, and Contact pages for full details.

Technical reference

Net burn = expenses − revenue; Runway = cash ÷ net burn (or growth simulation)

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Burn Rate & Runway Calculator FAQs

Is this calculator free?

Yes. No signup required.

What is net burn?

Monthly expenses minus monthly revenue. Negative net burn means cash-flow positive.

What is default alive?

A startup reaches default alive when revenue growth covers burn before cash runs out.

Is this financial advice?

No. Use for planning estimates only.

What is Burn Rate & Runway Calculator?

Burn Rate & Runway Calculator is a free browser tool on Ranburg.com. Calculate gross/net burn, runway months, cash-out date, and default-alive with optional revenue growth. It requires no install and no account.

Are the calculations accurate?

The Burn Rate & Runway Calculator uses standard formulas (Net burn = expenses − revenue; Runway = cash ÷ net burn (or growth simulation)). Results are for guidance; banks and tax rules may apply additional fees or rounding.

Is this Burn Rate & Runway Calculator free to use?

Yes. The Burn Rate & Runway Calculator on Ranburg.com is free with no account, subscription, or credit card. Use it as often as you need.

Do I need to install software for the Burn Rate & Runway Calculator?

No. The Burn Rate & Runway Calculator runs in your browser on desktop and mobile. There is no app, extension, or install step.

Is my data private when I use the Burn Rate & Runway Calculator?

Most Ranburg tools — including this Burn Rate & Runway Calculator — process data in your browser whenever possible. Files and inputs are not stored on our servers unless a tool needs an external API (for example live rates or public profile lookups). See our Privacy Policy.

Can I use the Burn Rate & Runway Calculator on mobile and iPhone?

Yes. The Burn Rate & Runway Calculator is responsive on iPhone Safari, Android Chrome, tablets, and desktops. No separate app is required.

Does the Burn Rate & Runway Calculator work offline?

After the page loads, many browser-side tools keep working without uploading data. You still need internet to open the page the first time and for tools that call external APIs.