open reference data for tax rates, duties, and financial calculations.

datasets

  • tax rates - US federal income tax, state sales tax, EU VAT rates

use the data

npm package: npm install @deepcalc/tax-rates

import { getFederalBrackets, getSalesTaxRate, getVATRate } from '@deepcalc/tax-rates';

const brackets = getFederalBrackets(2026, 'single');
const ca = getSalesTaxRate('CA');
const de = getVATRate('DE');

all data sourced from official government publications (IRS, European Commission, state departments of revenue).

part of deepcalc.com - tax and financial calculators.