Finance & Trading
Privacy-First Trading Intelligence
Financial Independence
FIRE planning and retirement readiness
The 2026 FIRE Calculator (Inflation Adjusted). Simulate real purchasing power, analyze retirement savings gaps, and generate a visual wealth roadmap. One-click CSV export for your Excel or Notion finance dashboard. 100% Private, client-side calculation.
Calculate compound interest from principal, recurring contributions, APY, and time. Visualize principal, interest, and final balance with a local interactive chart.
Use this Investment Calculator / ROI Calculator to estimate starting capital, monthly contributions, annual return, and inflation-adjusted results locally. Calculate projected returns with an instant compound interest chart, ROI, and yearly schedule.
Loans & Mortgages
Monthly payments, interest, and amortization
Rate & Finance Calculators
APR, APY, and effective rate conversions
Use this APR to APY Calculator to convert between APR and APY locally. Enter a rate, choose compounding frequency, and see the effective interest rate, spread, and frequency comparison instantly.
Use this Profit Margin Calculator to calculate gross profit, Markup, Margin, and selling price locally. Enter cost and price, or cost and target margin, then calculate your margins instantly.
Use this CPM Calculator and CPC Calculator to estimate ad spend, impressions, clicks, CPM, CPC, and CTR locally. Enter budget and target costs to plan campaign scenarios instantly.
Calculate ROAS, CPA, AOV, and CVR from ad spend, revenue, conversions, and clicks locally. Use target ROAS or target CPA reverse calculation to plan the revenue and orders you need.
Risk Management
Position sizing, stops, and exposure planning