---
title: "Coast FIRE number"
method: GET
path: "/api/tools/coast-fire"
---

# Coast FIRE number

`GET /api/tools/coast-fire`

## Request

- Base URL: `https://economicium.com`
- URL: `https://economicium.com/api/tools/coast-fire`
- Auth: none declared

The amount invested today that, growing alone with no further contributions, reaches a full FIRE number by retirement age.

## Query parameters

- `age` number, required
- `retireAge` number, required
- `invested` number, required
- `annualSpend` number, required
- `nominalReturnPct` number, required
- `inflationPct` number, required
- `safeWithdrawalRatePct` number, required
- `contribMonthly` number
- `otherAnnualIncome` number
- `feesPct` number

## Response `200`

Computed result.

- object

## Other responses

- `400`: Invalid or missing parameters.

---

[API](https://skmtc.dev/economicium/apis/economicium-calculators.md) · [All operations](https://skmtc.dev/economicium/apis/economicium-calculators/llms.txt) · [OpenAPI document](https://skmtc.dev/economicium/apis/economicium-calculators/revisions/889dbc3b2448?raw)