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Startup Employee Stock Option Vesting & Equity Calculator
Calculate startup stock option payouts, 4-year vesting schedule with 1-year cliff, strike price exercise cost, and post-dilution exit payout scenarios.
Material & Specification Presets
SaaS Cash & Expense Inputs
Live Real-Time Math$
$
+8%
80%
Monthly Operating Overhead (OPEX)
Runway & Burn ProjectionsLive Calculation
Net Cash Runway Remaining:
13.5Months
Zero Cash Date: Oct 2027
Gross Monthly Burn:$17,000
Net Monthly Burn Rate:-$7,400 /mo
Projected MRR in 6 Months (+8% MoM):$19,042
Comprehensive Guide: Startup Employee Stock Option Vesting & Equity Calculator
Standard startup stock option grants follow a 4-year vesting schedule with a 1-year cliff (25% vests after 12 months, followed by 1/48th monthly vesting).
Mathematical Formula Breakdown
Vested Options = (Months Vested / 48) × Total Options (if Months >= 12). Net Exit Payout = Vested Options × (Exit Price - Strike Price).
Industry Pricing Benchmarks
Standard employee stock grants range from 0.1% to 1.5% depending on role seniority and startup funding stage.
Optimization Strategies
- Consider 83(b) tax elections when exercising early to lock in low strike price valuations for capital gains tax treatment.
- Understand post-termination exercise windows (typically 90 days).
Frequently Asked Questions
What is a 1-year cliff in stock option vesting?
No equity vests during the first 12 months. On your 1-year anniversary, 25% of the total options vest simultaneously.