Bonus Inflation Calculator
Compare bonus purchasing power across periods.
Bonus Inflation Calculator: Scenario Inputs
Annual percentage rate or benchmark index change.
Inflation & Purchasing Power Analysis
Over 3 years at 3.5% inflation, a $75,000 salary requires $83,154 to retain equal purchasing power. Without matching raises, your real compensation experiences an effective reduction of $7,355 (-9.81%).
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How Bonus Inflation Calculator Works?
The Bonus Inflation Calculator works by restating each bonus in the dollars of one reference year.
Enter bonuses by year
Type each year's bonus amount.
Pick the reference year
Choose the year to measure all bonuses in.
Restate each bonus
The calculator divides each bonus by inflation since the reference year.
Compare real bonuses
The output shows real bonus value and the change from the first year.
Bonus Inflation Calculator Formula
The Bonus Inflation formula divides each year's bonus by cumulative inflation since the reference year.
Real Bonust = Bonust ÷ Πk≤t (1 + πk)
Matchedt = Bonus0 × Πk≤t (1 + πk)
Variables
- Bonust
- Bonus paid in year t
- πk
- Inflation in year k
Worked example
A bonus that rose from $8,000 to $9,500 over 4 years of 4.7%, 8.0%, 4.1% and 2.9% inflation has a real value of $7,843 in first-year dollars.
Bonus Inflation Calculator Conversion Table
This table restates 5 years of bonuses in first-year dollars with example inflation.
| Year | Bonus paid | Cumulative price factor | Real bonus (year-1 dollars) | Bonus needed to keep value |
|---|---|---|---|---|
| Year 1 | $8,000 | 1.0000 | $8,000 | $8,000 |
| Year 2 | $8,000 | 1.0470 | $7,641 | $8,376 |
| Year 3 | $8,500 | 1.1308 | $7,517 | $9,046 |
| Year 4 | $9,000 | 1.1771 | $7,646 | $9,417 |
| Year 5 | $9,500 | 1.2113 | $7,843 | $9,690 |
What is Bonus Inflation Calculator?
The Bonus Inflation Calculator is a tool that compares the purchasing power of bonuses paid in different years. A bonus that stays the same in dollars shrinks in real value every year prices rise.
Bonuses are often set as a fixed amount and reviewed less often than salary, so real bonus value drifts lower over time.
What are the uses of Bonus Inflation Calculator?
There are 4 main uses of the Bonus Inflation Calculator.
Track real bonus value
See whether bonuses kept their buying capacity.
Update bonus targets
Set new bonus targets that follow price growth.
Compare bonus years
Find the year with the highest real bonus.
Review incentive plans
HR teams check whether fixed bonuses lost value.
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