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The basics
On a normal linear axis, twice the pixel height means twice the value. On a log-like axis, equal visual steps represent multiplicative changes. MoneyWhatIf uses a bent scale so values near zero remain readable while very large values are compressed.
Illustrative numbers
Reading equal visual steps
Linear intuition$20k is twice $10k
Log intuition$10k→$100k resembles $100k→$1m
MoneyWhatIflinear near zero, compressed above
Always read the dollar label or tooltip. A segment that looks twice as tall on the bent scale is not necessarily twice the money.
Calculation transparency
How it works in MoneyWhatIf
- 01
The control transforms only chart geometry after the plan has been calculated.
- 02
Positive and negative cash-flow directions remain separate around zero; labels retain the original settled amounts.
- 03
Turning the control off restores proportional linear heights without changing any ledger row.
Keep in mind
Model limits
Stacked segment areas are harder to compare proportionally on a nonlinear axis.
The transformed chart is for pattern recognition, not measuring values by pixel height.
The scale does not improve, smooth, or alter the forecast—it only changes its visual lens.
This explanation documents the planning model. It is educational, not individualized tax, legal, Medicare, or investment advice.
Where it appears
Where to use it
See this concept in context, with a guide to each page and its controls.
The words behind it
Related financial terms
Plain-English definitions, with 2026 figures and worked examples, from the financial terms glossary.