SAFE Calculator | Model SAFE Conversions
SAFE calculator
Analyze how SAFEs convert and impact founder dilution in a priced round.
This tool uses YC SAFE conversion methodology.
Current cap table
Enter all issued shares, including those held by founders, employees, and any existing option pools.
| Stakeholder | Category | Shares Owned |
|---|---|---|
| Founder | 40.00% | |
| Option pool | 40.00% | |
| Investor | 20.00% |
Total fully diluted shares: 10,000,000
SAFE terms
SAFEs must be entered in the order raised. MFN This SAFE adopts improved terms from subsequent SAFEs. applies forward only.
| Investment | Valuation cap | Discount | Type |
|---|---|---|---|
| $ | $ | % | Post-money / Pre-money / MFN |
Note: When no valuation cap or discount is added, the SAFE converts at the price round.
Total SAFE investment: $500,000
Priced round configuration
These terms determine how SAFEs convert and how new shares are issued.
| Pre-money valuation | Post-money valuation | Round name | Target option pool | |
|---|---|---|---|---|
| $ | $0 | % |
Round investors
| Investor | Investment |
|---|---|
| $ |
Total raised: $2,000,000
Impact of Series A on founder(s)
- 33.33% Ownership after Series A
- 6.67% Founder dilution from Series A
Shows dilution relative to ownership after SAFE conversion, before the priced round (including any option pool top-up).
Post-money: $12,000,000 Price per share: $0.50 Total shares post-round: 23,999,995
Founder Ownership
- Before Series A: 40.00%
- After Series A: 33.33%
Cap table after Series A
The full shareholder picture once all SAFEs have converted and new shares have been issued.
| Stakeholder | Shares (before) | Shares (after) | % (before) | % (after) | PPS |
|---|---|---|---|---|---|
| Founder 1 | 4,000,000 | 4,000,000 | 20.00% | 16.67% | — |
| Founder 2 | 4,000,000 | 4,000,000 | 20.00% | 16.67% | — |
| Option pool | 2,000,000 | 2,000,000 | 10.00% | 8.33% | — |
| SAFE 1 Post-money SAFE | 9,999,996 | 9,999,996 | 50.00% | 41.67% | $0.05 |
| Investor 1 | — | 3,999,999 | — | 16.67% | $0.50 |
| Total | 19,999,996 | 23,999,995 | 100.00% | 100.00% |
Download the ownership report
Disclaimer:
This SAFE calculator is provided by EquityList for general informational purposes only and is intended to offer illustrative outputs based on a simplified and opinionated model of equity mechanics. It does not constitute legal, financial, taxation or professional advice, nor should it be relied upon as a substitute for formal documentation or professional guidance. Actual outcomes may vary based on transaction terms, executed agreements, negotiations, and jurisdiction-specific requirements. Users should consult qualified legal or financial advisors before making decisions based on these outputs.