Investment return after fees, tax and inflation: real after-tax rate, future val...

{ "method": "GET", "queryParams": { "fee_percent": "0.5", "inflation_percent": "3", "nominal_return_percent": "8", "principal": "25000", "tax_percent": "15", "years": "20" }, "type": "http" }

{ "example": { "after_fee_return_percent": 7.5, "after_tax_return_percent": 6.375, "beats_inflation": true, "cash_purchasing_power_after_period": 13841.89, "fee_percent": 0.5, "future_value_in_todays_dollars": 47641.67, "future_value_nominal": 86046.16, "inflation_drag_percent_points": 3.0983, "inflation_percent": 3, "nominal_return_percent": 8, "note": "Tax is applied to the whole after-fee return each year, which is a simplification: capital gains are often taxed only when sold. Use the inputs that match your account type.", "principal": 25000, "purchasing_power_lost_on_cash_percent": 44.63, "real_after_tax_return_percent": 3.2767, "source": "Fisher equation for real returns", "tax_percent": 15, "years": 20 }, "type": "json" }