Founder Tools

SAFE & Convertible Note Calculator

Calculate conversion outcomes for SAFEs and convertible notes. Compare cap vs. discount scenarios. All computation is client-side.

Instrument Type

Investment Amount ($)

Valuation Cap ($)

Discount Rate (%)

Typical: 15-25%. Set to 0 if no discount.

Next Round Assumptions

Existing Shares Outstanding

Pre-Money Valuation at Next Round ($)

Qualified Financing Amount ($)

Used to calculate pro-rata right value

Shares Issued

500.0K

Effective Price/Share

$1.0000

Effective Valuation

$10.00M

Investor Ownership

4.76%

Dilution Impact

Founders: 95.2%Investor: 4.8%

Cap vs Discount Comparison

Scenario	Price/Share	Shares	Result
Next Round Price	$2.0000	250.0K	No benefit
Using CapACTIVE	$1.0000	500.0K	50.0% cheaper
Using Discount	$1.6000	312.5K	20.0% cheaper

The investor converts at whichever price is lower (more favorable to them). In this scenario, the valuation cap provides a better deal.

Pro-Rata Right Value

Pro-Rata Percentage

4.76%

Pro-Rata Amount (Next Round)

$142.9K

If the investor exercises their pro-rata right, they can invest $142.9K in the next round to maintain their 4.76% ownership.

Conversion Visualization