Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Personal Finance
Investment Portfolio Allocation Calculator
Get a starting-point stock-allocation percentage for your investment portfolio based on age, risk tolerance, and time horizon. Use it as a discussion-starter for asset allocation, not as a substitute for personalized financial advice.
Fill in the required fields to see your result.
Economics
Compound Interest Calculator
Project the future value of a lump-sum investment when interest is reinvested each year using A = P · (1 + r)ᵗ. The simplest compounding model — assumes annual compounding, a constant rate, and no additional contributions or withdrawals.
Fill in the required fields to see your result.
Key differences
| Investment Portfolio Allocation Calculator | Compound Interest Calculator | |
|---|---|---|
| Category | Personal Finance | Economics |
| Inputs required | 3 | 3 |
| Result | Recommended Stock Allocation (%) | Final Amount ($) |
| What it does | Get a starting-point stock-allocation percentage for your investment portfolio based on age, risk tolerance, and time horizon. Use it as a discussion-starter for asset allocation, not as a substitute for personalized financial advice. | Project the future value of a lump-sum investment when interest is reinvested each year using A = P · (1 + r)ᵗ. The simplest compounding model — assumes annual compounding, a constant rate, and no additional contributions or withdrawals. |