---
title: "TFSA Calculator"
method: GET
path: "/api/calc/tfsa-calculator"
tags: ["Finance"]
---

# TFSA Calculator

`GET /api/calc/tfsa-calculator`

## Request

- Base URL: `https://calcbright.com`
- URL: `https://calcbright.com/api/calc/tfsa-calculator`
- Auth: none declared

Eligible since 2009? Your TFSA limit is $109,000 in 2026. Subtract what you put in, add back past withdrawals, and see your room and how the account could grow.

## Query parameters

- `eligible` number: Year you turned 18 (or became a resident) Room starts in 2009 at the earliest.
- `contributed` number: Total contributed so far All contributions ever, including 2026.
- `withdrawn` number: Withdrawals before 2026 Withdrawals made in 2026 are added back next year.
- `balance` number: Current TFSA balance
- `annual` number: Future yearly contribution
- `years` number: Years to grow (years)
- `rate` number: Expected annual return (%)

## Response `200`

Calculation result

- CalcOutput
  - `ok` boolean
  - `tool` string
  - `name` string
  - `url` string: Open this link to see the full calculation
  - `inputs` object
  - `summary` string: Plain-text answer
  - `details` string
  - `result` object
  - `errors` object

## Other responses

- `400`: Invalid input (see errors)

---

[API](https://skmtc.dev/calcbright/apis/calcbright-calculator-api.md) · [All operations](https://skmtc.dev/calcbright/apis/calcbright-calculator-api/llms.txt) · [OpenAPI document](https://skmtc.dev/calcbright/apis/calcbright-calculator-api/revisions/f58229e56e58?raw)