The classic rule of thumb: stocks ≈ 100 − your age. Feed in your age and portfolio and see the target split in dollars, plus how much more growth the aggressive versions buy.
Stocks as a percentage equal 100 minus your age. Simple, memorable, hard to argue with.
Compare classic (100−age) with 110 and 120 versions for a more aggressive glide path.
Percentages become concrete — exactly how much to put in stocks vs bonds today.
Everything runs locally in your browser. Nothing is sent anywhere.
Sharpen your allocation decisions.