When to use this calculator
Portfolio weights make allocations comparable even when individual holdings have different prices and quantities.
Explore the investment return calculators for other questions in this topic. For a related calculation, use the Price Earnings Ratio Calculator: Compare a share price with entered earnings per share.
PUTTING IT INTO PRACTICE
Portfolio Weight: a worked example
The values below are an illustrative example, not a recommendation. Replace them with measurements or assumptions that match your question.
| Input | Example value |
|---|---|
| Asset market value | 2,500 |
| Total portfolio value | 10,000 |
| Result | 25 % |
- Check the input labels and enter the example values above.
- Apply the relationship: Weight (%) = asset value/portfolio value × 100.
- The result is 25 %, rounded for display.
How to interpret your result
The total must include the asset being measured and use a consistent valuation date.
Return measures must cover the same time period before comparison. CAGR annualises two endpoint values but does not model interim cash flows. Current income yield differs from total return or yield to maturity.
Frequently asked questions
Can CAGR handle money added during the period?
The simple endpoint CAGR model does not account for intermediate deposits and withdrawals. Those require cash-flow-aware methods.
When is the portfolio weight calculator useful?
Portfolio weights make allocations comparable even when individual holdings have different prices and quantities.
How do I use the portfolio weight calculator?
Enter asset market value, total portfolio value. The result updates automatically. Use the units shown beside each input; the example values illustrate the method.
Which formula does this calculator use?
Weight (%) = asset value/portfolio value × 100.
What should I check before using the result?
The total must include the asset being measured and use a consistent valuation date.
How are results rounded?
Scalar numbers display up to six decimal places, with scientific notation for very large or small values. Text, fraction, date and schedule outputs use the format described on the tool. Intermediate calculations use JavaScript floating-point arithmetic. Keep sensible precision for your measurements.
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