Compound Interest Calculator
Ending balance = principal × (1 + rate / frequency) raised to periods. Enter your own values; the result updates only when you run the tool.
Your inputs
Use consistent units. Examples appear below each field.
Your result
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How compound interest calculator works
Ending balance = principal × (1 + rate / frequency) raised to periods.
Try this example
- Starting amount
- 1000
- Annual nominal rate (%)
- 5
- Compounds per year
- 12
- Years
- 10
1,647.0095
Good to know
Which values should I enter?
Use the units shown in each label. Ending balance = principal × (1 + rate / frequency) raised to periods.
Are my inputs saved automatically?
No. Recent tools contain tool names only. Inputs and results are stored only when you explicitly choose Save while signed in.
Can I share this tool?
Share the tool link. It opens a blank tool and does not include your private inputs or result.
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