---
title: "Federal income tax estimate"
method: GET
path: "/api/v1/calculate/income-tax-estimator"
---

# Federal income tax estimate

`GET /api/v1/calculate/income-tax-estimator`

## Request

- Base URL: `https://everycalc.xyz`
- URL: `https://everycalc.xyz/api/v1/calculate/income-tax-estimator`
- Auth: none declared

Federal income tax after pretax deductions and the standard deduction for the filing status, with AGI, taxable income, marginal rate, and effective rate. Results match the interactive calculator at everycalc.xyz; every response includes a calculator_url deep link to it.

## Query parameters

- `filing_status` 'single' | 'mfj' | 'hoh'
- `gross_income` number, required
- `pretax_deductions` number

## Response `200`

Calculation result.

## Other responses

- `400`: Invalid input.

---

[API](https://skmtc.dev/everycalc/apis/everycalc-api.md) · [All operations](https://skmtc.dev/everycalc/apis/everycalc-api/llms.txt) · [OpenAPI document](https://skmtc.dev/everycalc/apis/everycalc-api/revisions/a4bd5db0868a?raw)