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30 min · no prep needed
Free tools for founders

Run the numbers.
Make the call.

Calculators built around the decisions founders actually face. Free to use, no signup to run the numbers.

Go deeper

Two tools that go past a quick estimate.

The full libraryKnow Your NumbersEvery number a bank, a buyer or an investor will ask you for, each with its formula, the benchmark to judge it against, and the mistake most often made. Filter by industry and run any of them on your own numbers.Browse the library → Hire, outsource or CountablWhat a finance team costsSay what the function needs to do and how big the business is. The same work is priced three ways side by side — W-2 hires at market salaries, outside firms at published rates, or one Countabl engagement — with the saving shown.Run the numbers →
Quick calculators

Pick a question. The calculator opens below.

Runway Calculator
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Read the note: How to calculate your real runway →Get the full model ↓
Burn Rate Calculator
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Read the note: Burn rate: what it tells you that your P&L doesn’t →Get the full model ↓
Hiring Impact Calculator
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Read the note: Can you actually afford this hire? →Get the full model ↓
Pre-money, post-money, and the option pool shuffle
Read the note →
Pairs with Break-Even Calculator
Break-even: the number most owners calculate wrong
Read the note →
Pairs with Pricing Profitability Calculator
What a deal actually nets after you deliver it
Read the note →↓ Hiring Impact Model (.xlsx, no email)
Unit Economics Calculator
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Read the note: Unit economics: the three numbers that tell you if you’re making money →Get the full model ↓
Break-Even Calculator
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Read the note: Break-even: the number most owners calculate wrong →Get the full model ↓
Pricing Profitability Calculator
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Read the note: What a deal actually nets after you deliver it →Get the full model ↓
DSO Calculator
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Read the note: Revenue isn’t cash: how to get paid faster →Get the full model ↓
Raise & Dilution Modeler

Model your cap table before and after the round. Dilution, valuation multiples, and runway, all in one place.

Round details
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Read the note: Pre-money, post-money, and the option pool shuffle →Get the full model ↓
Free download · Cap Table & Raise Model
Get the full Excel model, current cap table, round modeler with post-close ownership waterfall, and exit proceeds.
Download .xlsx ↓

No email required.

Days to Close

Time it the way it matters — month-end to the numbers landing in front of you, not the days your accountant spent working.

Benchmark: APQC open-standards measure 104615 puts the median monthly close at 8.0 days across 3,389 organizations (accessed October 2026). That times the accounting work; the bands here are ours, timed from month-end to the numbers in your hands. Why the close takes so long →

Read the note: Why your month-end close takes so long →Get the full model ↓
Free download

The full model.
Not just a calculator.

The calculators give you directional answers. The Financial Clarity Model gives you the complete picture, 12-month P&L, cash flow with three scenarios, and unit economics, all formula-linked from one inputs tab.

  • 12-month projected P&L, revenue, COGS, OpEx, EBITDA
  • Cash flow with Base / Upside / Stress scenarios
  • Dynamic runway counter updated month-by-month
  • Hiring plan with loaded costs and runway impact
  • Unit economics, LTV, CAC, payback, health indicators
  • One inputs tab drives everything else

This model is a planning framework and does not constitute financial, accounting, or tax advice. Consult a licensed professional for those services.

Free. We use these details to send the file and to follow up about it. We don’t sell or share your address. Privacy policy

Prefer a quick spreadsheet, no email? 13-week cash flow model (.xlsx) ↓Startup long-range forecast (.xlsx) ↓

✓ Download started
Check your downloads folder for Countabl_Financial_Clarity_Model.xlsx. Want the real version built on your actuals?
What’s inside
📋
Instructions
How to use the model, tab overview
⚙️
Inputs
All assumptions in one place, every tab reads from here
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12-Month P&L
Revenue, COGS, gross profit, OpEx, EBITDA
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Cash Flow & Runway
Three scenarios with monthly runway counter
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Unit Economics
LTV, CAC, payback, color-coded health indicators

This is a starting framework. Countabl builds the real version connected to your books, updated monthly, with a CFO memo.

Want us to build your
actual model?

These calculators give you directional answers. The Sprint gives you a real model built on your actuals, with scenarios and a dashboard you’ll use every month.

Read all notes
→