Forecast Accuracy Formula:
From: | To: |
Definition: This calculator measures how accurate your sales forecasts are compared to actual sales results.
Purpose: It helps businesses evaluate the reliability of their sales forecasting methods and improve future predictions.
The calculator uses the formula:
Where:
Explanation: The formula calculates the absolute percentage error between forecast and actual sales, then subtracts from 1 to get accuracy.
Details: Accurate sales forecasting helps with inventory management, resource allocation, budgeting, and business planning.
Tips: Enter your forecasted sales amount and actual sales achieved. Actual sales must be > 0 for calculation.
Q1: What is considered good forecast accuracy?
A: Typically 80-90% is good, but this varies by industry. Higher is always better.
Q2: Why can accuracy exceed 100%?
A: It can't with this formula. 100% means perfect accuracy, 0% means complete inaccuracy.
Q3: How do I improve forecast accuracy?
A: Analyze historical data, consider market trends, and refine your forecasting methods.
Q4: Should I use units or revenue?
A: Both work - just be consistent between forecast and actual values.
Q5: What if actual sales are zero?
A: The calculation requires division by actual sales, so it can't be zero.