Skip to main content
Accelerator.tools
Free tools for founders

Startup Calculators

Interactive calculators that help you make smarter decisions. Every result is shareable — model your numbers and send them to your co-founder, mentor, or investor.

Startup Runway Calculator

How many months until the money runs out? Enter your cash, burn rate, and revenue to see your exact runway, when to start fundraising, and a visual cash curve with scenario modeling.

Use Calculator →
⚖️

Co-Founder Equity Split

The hardest conversation in a startup, made objective. Score each co-founder across six contribution factors and get a data-driven equity split recommendation with a visual breakdown.

Use Calculator →
📉

Dilution & Fundraising Simulator

Model ownership across SAFE, Seed, Series A, and Series B rounds. See how option pool shuffles and compounding dilution affect every stakeholder over time.

Use Calculator →
🎯

CAC vs. LTV Calculator

Are you spending too much to win customers who won’t stick around? See your CAC, LTV, and the LTV:CAC ratio investors actually benchmark against.

Use Calculator →
🪙

SAFE Conversion Calculator

SAFEs feel free until they convert. Enter your cap and discount to see the effective conversion valuation, the ownership your investor receives, and which term actually applies.

Use Calculator →
💼

Startup Hiring Cost Calculator

A $120K hire never costs $120K. Add payroll taxes, benefits, equipment, recruiting, and overhead to see the fully loaded cost that belongs in your runway model.

Use Calculator →
🔥

Burn Multiple Calculator

How much do you burn per dollar of net new ARR? Get your burn multiple and see where it lands on the benchmark bands investors screen against.

Use Calculator →
🔜More coming soon...

New calculators are in the works.