Return the return on investment: total invested (amount plus extra costs), net gain, simple ROI percent, annualized ROI percent, years to double at that rate (rule of 72), gain per year, and the percentage gain on the base amount alone.
This page documents the HTTP endpoint POST /api/tools/roi-calculator/execute. See the MCP reference →
Call it over REST
POST https://api.findutils.com/api/tools/roi-calculator/execute · no API keys · 60 requests/min per IP
Execute — verified arguments
curl -X POST https://api.findutils.com/api/tools/roi-calculator/execute \
-H "Content-Type: application/json" \
-d '{
"investment_amount": 10000,
"final_value": 15000,
"investment_years": 3,
"additional_costs": 0
}'Parameter schema for this endpoint
curl https://api.findutils.com/api/tools/roi-calculatorInput schema
| Argument | Type | Required | Description |
|---|---|---|---|
| investment_amount | number | yes | Amount invested. Must be > 0. |
| final_value | number | yes | Value of the investment at the end. |
| investment_years | number | no | Holding period in years. Must be > 0. Default: 1. |
| additional_costs | number | no | Fees, taxes, or other costs added to the investment. Default: 0. |
Example arguments (verified)
{
"investment_amount": 10000,
"final_value": 15000,
"investment_years": 3,
"additional_costs": 0
}Also an MCP tool
Claude, Cursor, and any MCP client can call this tool as
findutils:roi_calculator after one connect command.
Connect once
claude mcp add findutils --transport http https://mcp.findutils.com/More Finance tools
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