What is a million?

A million is the number 1,000,000 — a one followed by six zeros. It sits between the thousands and the billions on the number scale and is one of the most commonly used large numbers in daily life. Millions appear everywhere: population counts, financial figures, social-media statistics, scientific measurements, and more.

Despite being familiar, writing a million in its full numeric form is surprisingly error-prone. Miscounting even a single zero can turn one million into one hundred thousand or ten million — a tenfold mistake in either direction. That is exactly why a dedicated converter is useful: it removes the guesswork and delivers the correct number of zeros instantly.

Tool description

This tool converts numbers expressed in millions to their full numeric form and vice versa. Type a value in the "Millions" field and immediately see it expanded with all six zeros, or paste a large number into the "Full Number" field to find out how many millions it represents. The conversion is bidirectional — swap the direction at any time with a single click.

Examples

Millions Full Number
1 1000000
2.5 2500000
0.1 100000
15 15000000
100 100000000
0.005 5000

Features

  • Instant bidirectional conversion between millions and full numbers
  • Handles decimals accurately (e.g. 3.75 million → 3750000)
  • Uses string-based math to avoid floating-point precision issues
  • No external dependencies — runs entirely in the browser
  • One-click swap to reverse the conversion direction

Use cases

  • Quickly writing out dollar amounts in financial reports (e.g. "$4.2 million" → "$4200000")
  • Verifying population or revenue figures cited in articles
  • Converting shorthand social-media metrics (e.g. "12M views") to exact numbers
  • Billion Number Converter — for numbers with 9 zeros
  • Trillion Number Converter — for numbers with 12 zeros