Monthly Decrease Calculator

Calculate the remaining value after applying a monthly decrease percentage over a specified period

Input Parameters

Calculation Results

Calculation Formula

Final Value = Initial Value × (1 - Decrease Rate)^Period

Where:
Initial Value: The starting amount
Decrease Rate: Monthly decrease percentage (as a decimal)
Period: Number of months

Results

Final Value: -
Total Decrease Amount: -
Decrease Percentage: -

Monthly Decrease Calculator Calculator Usage Guide

Learn how to use the Monthly Decrease Calculator calculator and its working principles

How to Use This Calculator

  1. Enter your Initial Value (the starting amount).
  2. Input the Monthly Decrease Percentage as a positive number (e.g., for 5% decrease enter 5).
  3. Specify the Period in Months over which the decrease should be applied.
  4. Click the Calculate button to see the results.

Example Calculation

If you start with $10,000 (Initial Value) and experience a 3% decrease each month (Monthly Decrease) for 12 months (Period), the calculator will show you the final value and the total decrease.

Formula Explanation

The calculator uses the compound decrease formula:

Final Value = Initial Value × (1 - Decrease Rate)^Period

This formula accounts for the decreasing value each month, making it suitable for scenarios like depreciation, investment decline, or any value that decreases at a fixed percentage rate each period.

Practical Applications

  • Calculating vehicle depreciation
  • Estimating investment decline
  • Modeling inventory shrinkage
  • Planning for declining asset values