The Sovereign Decision Engine
Financial decisions, solved with precision — not guesswork.
Every EmpireCalc tool exposes its full math, reacts to every slider instantly, and loads in a blink. No bloat, no black boxes — just the number you came for.
Open SaaS Unit Economics →Open Startup Runway →Open Freelance Rate Optimizer →Open Equity & Liquidity →Open CapEx vs OpEx ROI →Open Mortgage Paydown →Open Rental Cashflow →Open BRRRR Simulator →Open FIRE Velocity →Open DRIP Compounder →Open Solar ROI →Open EV Ownership Cost →Open Remodeling Equity →Open Heat Pump Savings →Open Hourly to Salary →Open Student Loan Refi →Open Debt Payoff Strategy →Open Crypto Gains Tax →Open Screentime Bleed →Open Subscription Audit →Open Purchasing Power Decay →Open Budget Compatibility →Open LLC vs S-Corp →Open E-Com Unit Economics →Open Rent vs Buy Math →Open Battery Arbitrage →Open Newsletter Valuation →Open Basal Metabolic Protocol →Open Biological Age (PhenoAge) →Open VO2 Max & Fitness Age → See the full roadmap
The 22-tool roadmap
Built phase by phase, each tool a standalone piece of software
Phase 1 Core Sovereign Layer
Live
SaaS Unit Economics
LTV, CAC payback & the MRR growth ceiling.
Live Startup Runway
How many months until zero — with dynamic burn.
Live Freelance Rate Optimizer
The bill rate that survives FICA & healthcare.
Live Equity & Liquidity
Option value across dilution rounds.
Live CapEx vs OpEx ROI
Buy vs lease, by cash velocity.
Live LLC vs S-Corp
The S-Corp tax inflection point.
Live E-Com Unit Economics
DTC contribution margin & break-even ROAS.
Phase 2 Wealth & Leverage
Live
Mortgage Paydown
Amortization with payment acceleration.
Live Rental Cashflow
NOI, cap rate & cash-on-cash return.
Live BRRRR Simulator
Buy-Rehab-Rent-Refinance-Repeat seasoning.
Live FIRE Velocity
Safe withdrawal & years-to-freedom curves.
Live DRIP Compounder
Dividend reinvestment compounding.
Live Rent vs Buy Math
Buy vs rent, with down-payment opportunity cost.
Phase 3 Sustainable Transitions
Phase 4 General Utility
Phase 5 Behavioral Magnets
Live
Screentime Bleed
Screen hours as opportunity cost.
Live Subscription Audit
The true annual drain of your stack.
Live Purchasing Power Decay
How inflation erodes idle cash.
Live Budget Compatibility
Two spenders, one savings outcome.
Live Newsletter Valuation
Value a newsletter & price ad slots.