---
title: "US Calculators — American Standards (BMI, Mortgage, Tax, Imperial)"
description: "Calculators using US standards: CDC/WHO BMI thresholds, 30-year fixed mortgage, federal income tax brackets, Fahrenheit, miles, pounds, and US tipping norms."
url: "https://worldcalculators.org/countries/united-states/"
canonical: "https://worldcalculators.org/countries/united-states/"
---

# United States

Calculators using US standards: CDC/WHO BMI thresholds, 30-year fixed mortgage, federal income tax brackets, Fahrenheit, miles, pounds, and US tipping norms.

Source: https://worldcalculators.org/countries/united-states/
Markdown mirror of the HTML page. Prefer this URL for RAG; the interactive calculator still lives on the HTML page.