Airbnb vs Long-Term Rental Calculator

STR vs LTR cash-flow comparison for the same property.

Crypto Real Yield Calculator

APY after fees, gas and inflation for crypto yield positions.

Crypto Tax Lot Optimizer

Optimize which lots to sell for tax-aware crypto exits.

Roth vs Traditional 401(k) Calculator

Apples-to-apples Roth vs Traditional retirement contribution comparison.

Social Security Claiming Age Optimizer

Lifetime NPV at 62 vs FRA vs 70 with COLA and breakeven analysis.

Tax-Loss Harvesting Calculator

Harvest unrealized losses against planned gains at your tax rate.

APY Calculator

Convert APR (nominal) to APY (effective) at any compounding frequency.

Budget Calculator

Compare take-home vs needs/wants/savings against the 50/30/20 ideal.

Life Insurance Needs Calculator

Coverage need from income, dependents, mortgage and education plans.

Cost of Raising a Child Calculator

Lifetime childcare-to-college cost estimate by country and path.

Wedding Budget Optimizer Calculator

Allocate wedding budget across venue, catering and major categories.

Can I Afford This? Calculator

YES / NO / MAYBE affordability from price, income and expenses.