Calculators and utilities.
No account, no clutter, no leakage - all calculations are local
Trump
Brokerage
-
Brokerage Modeler
Making trust fund kids since 2026
Project a child's year-by-year gifts to ages 18–65, or a constant annual contribution for a set horizon.
-
Pot Trust Modeler
One pot, many kids
Seed a communal pot with one lump; size for a maturity value or see what the pot pays at each child’s target age.
-
Growth Factor Table
Time × rate, no $
Real compounding multiples from year 0 to 67 — milestone ages and contribution years, no dollar amounts required.
Retirement
-
RMD Calculator
IRA · 401(k) · 403(b) · TSP
Owner lifetime required minimum distributions — Uniform Lifetime factor, per-plan aggregation, still-working exception, and a balance projection.
-
Private Social Security
OASDI invested, 1978–2025
Employee and employer OASDI from an earnings record, or from age, schooling, and salary, at historical total-market returns and CPI through August 2026.
-
Social Security Estimator
Benefit · stays in the browser
Retirement benefit from a wage curve or an earnings record, a stop-work year, and a first benefit month. Earnings stay on this computer.
Treasuries
-
Treasury Bills
Auction calendar & curve
Next bill auction, the last investment rate, and the nearest Treasury curve point.
-
TIPS Catalog
Yield curve & quotes
Real YTM vs maturity for tradeable TIPS from tipsladder.com — scatter chart, catalog table, and annual coupon dollars on current principal.
Tax
Estate planning
Oddities