Inflation Calculator Modèle Essentials
Calculate the impact of inflation on purchasing power over time. See how a given amount today compares to its future or past value.
Ce qui est inclus
- Calculator with inflation rate input and dollar amount fields for computing future or past purchasing power
- Dashboard with purchasing power chart showing how a dollar amount erodes or grows over the selected period
- Forward and backward projections - see what current money is worth in 10 years or what past money equals today
- Custom inflation rate support allowing any percentage from historical averages to higher estimates
- Multi-year comparison table with color-coded input cells (yellow) and auto-calculated values (blue)
- Works in Microsoft Excel, Google Sheets, and LibreOffice Calc with no setup required
Aperçu
Découvrez le contenu de ce modèle
Comment utiliser ce modèle Inflation Calculator
Enter the dollar amount
Input a starting amount in today dollars that you want to project forward or backward for inflation impact.
Set the inflation rate
Enter an annual inflation rate percentage. Historical averages range from 2% to 4%, but you can use any rate.
Choose the time period
Enter the number of years to project. The calculator works both forward (future value) and backward (past value).
Read purchasing power
The results show how much the original amount is worth in future or past dollars, and the multi-year table shows the erosion year by year.
Créés par Claude AI. Perfectionnés par nos soins.
Nous utilisons Claude AI pour rédiger chaque modèle, après une recherche approfondie. Puis notre équipe prend le relais. Nous affinons la mise en page, testons chaque formule en conditions réelles, corrigeons les cas limites et peaufinons le design jusqu'à obtenir un résultat que nous utiliserions nous-mêmes. L'IA nous amène à 80 %. Les 20 % restants, c'est du jugement humain.
Questions fréquentes
What inflation rate should I use?
The long-term US average is roughly 3% per year. Use higher rates for conservative planning or lower rates for recent low-inflation periods.
Can I project backward in time?
Yes. The calculator works in both directions. Enter a past year count to see what a historical amount would be worth in today dollars.
Does it compound the inflation?
Yes. Inflation compounds annually, meaning each year reduction is applied to the already-reduced value from the prior year.
Is this useful for retirement planning?
Yes. Understanding inflation impact helps estimate future living costs and the real value of retirement savings over a long time horizon.
Comment ouvrir ce fichier dans Google Sheets ?
Importez le fichier .xlsx dans Google Drive, puis ouvrez-le avec Google Sheets. Toutes les formules et la mise en forme seront conservées.
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