Key Terms
- Percentage
- A ratio out of 100 used to express share, increase, or decrease.
- Base value
- Reference number against which percentage is calculated.
- Percentage point
- Absolute difference between two percentages (not the same as percent change).
Weighted Average Calculator
Use weights to model importance. Formula: (sum(value × weight) ÷ sum(weights)).
Compute
Weighted average of multiple values
Formula
Weighted Average = (sum(value × weight) ÷ sum(weights))
Frequently Asked Questions
A weighted average is a mean where each value is multiplied by a weight (importance) and then divided by the sum of weights.
Benefits of This Calculator
- Immediate what-if analysis for percentage changes and comparisons.
- Formula transparency with examples and FAQs on each calculator page.
- Works directly in browser with no sign-up or data upload required.