Inputs
Exact: 1+rₙ = (1+rᵣ)(1+π). Continuous uses forces: δₙ = δᵣ + δ_π.
%
Comp.
Tax%
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Comp.
Label
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Comp.
Label
If both CPIs present and label is “Realized (from CPI)”, inflation APY is inferred as (CPI_end/CPI_start)^(1/years) − 1.
When off, we assume all effective rates are annualized and aligned.
-2%0%12%
Display only; calculations use numbers.
Break-even Inflation
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%
Results
Mode: Exact ·
Solve: Nominal
Solved value
—
exact / approx
Effective annual rates
APYₙ: —
APYᵣ: —
APYπ: —
Horizon totals
Future value: —
Purchasing power (real): —
Cumulative inflation: —
Real return over horizon: —
Step-by-step
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Growth Over Time
Monthly points
Sensitivity
Solved variable vs π
Scenario Grid
| # | Real rᵣ (APR%) | Inflation π (APR%) | Solve | Exact | Approx |
|---|
Enter either rᵣ or π per row and choose which to vary; the solved values populate automatically using your current mode (Exact/Approx or Continuous).