MultiverseOSP
Planning
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FIRE & Coast FIRE Calculator
Your FIRE number, Coast FIRE number, years to financial independence, scenarios and a stress test.
$15Buy now, $15
Instant download + email. Works in Google Sheets and Excel.
Secure checkout by StripeApple PayGoogle Pay
If a file doesn’t work, we’ll fix it. If we can’t, you get a refund within 7 days. Because these are instant digital downloads, there are no refunds for change of mind.
- Instant download + step-by-step setup guide
- Works in Google Sheets and Excel
- One-time price, no subscription
- No bank login, nothing to connect
- File won't open? We fix it or send a new copy
Try it free first: FIRE & Coast FIRE calculator.
Who it's for
Anyone curious about financial independence who wants to see the math rather than a black box.
Why it helps
Change one assumption and see how your timeline moves. Singles or couples, in today's dollars.
What it does
- FIRE number from spending, other income and withdrawal rate
- Coast FIRE number for the retirement age you choose
- Year-by-year projection with chart
- Scenario grid: years to FI by return and spending
- Bad-early-years stress test
What's included
One .xlsx workbook with 5 tabs: Start Here, Results, Inputs, Projection, Scenarios. Plus a step-by-step setup guide PDF. Works in Google Sheets and Excel (also LibreOffice Calc).
Includes English, Spanish and French versions.
Every tab, with sample data
Real screenshots of each tab in the file, recalculated from the included sample data.
What happens after you buy
- Pay with Stripe (card, Apple Pay or Google Pay).
- Download right away on your download page; the link is also emailed to you. Each file can be downloaded 3 times within 24 hours.
- Follow the setup guide: a step-by-step PDF is included, and the same steps are on the setup page. The AI guide in the corner can walk you through it one step at a time.
10 min
Set up in 10 minutes, or Ava walks you through it free
Ava the Fox, our AI setup guide, takes you one step at a time and can hand you to a person if you get stuck.
Please note. Informational tool only. Not financial, tax, or legal advice. Estimates come from the numbers you type. Projections use constant returns you choose; they are illustrations, not predictions or guarantees. If a file doesn’t work, we’ll fix it. If we can’t, you get a refund within 7 days. Because these are instant digital downloads, there are no refunds for change of mind.
FAQ
Is this investment advice?
No. It is an educational calculator. Results depend entirely on the assumptions you type.
What do I get?
A download link right after checkout and by email, plus a step-by-step setup guide PDF. Spreadsheets are .xlsx: open in Excel, or upload to Google Drive and save as a Google Sheet.
Do I need a subscription or app?
No. One-time price. No macros, add-ons, or bank login.
Can I get a refund?
If a file doesn’t work, we’ll fix it. If we can’t, you get a refund within 7 days. Because these are instant digital downloads, there are no refunds for change of mind.
Is this financial or tax advice?
No. It is an informational tool. Results are estimates from the numbers you enter.
$15Buy now, $15
Instant download + email. Works in Google Sheets and Excel.
Secure checkout by StripeApple PayGoogle Pay
If a file doesn’t work, we’ll fix it. If we can’t, you get a refund within 7 days. Because these are instant digital downloads, there are no refunds for change of mind.
Bundle and save
FIRE & Coast FIRE Calculator is included in the Complete Money Toolkit: every spreadsheet plus the Notion hub and prompt library for $129 ($231 value).
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