# kilogram

> English word · Noun · IPA /ˈkɪləɡɹæm/ · frequency rank #28,603

## Definitions
1. In the International System of Units, the base unit of mass; conceived of as the mass of one litre of water, but now defined by taking the fixed numerical value of the Planck constant h to be 6.626 070 15 × 10⁻³⁴ when expressed in units of kg⋅m²⋅s⁻¹. Symbol: kg
2. The unit of weight such that a one-kilogram mass is also a one-kilogram weight.

## Etymology
Borrowed from French kilogramme. By surface analysis, kilo- + gram.

## Common misspellings (12)
`iklogram`, `kilgoram`, `killogram`, `kilogarm`, `kiloggram`, `kilogramm`, `kilogrma`, `kilogrram`, `kilorgam`, `kiolgram`, `kkilogram`, `kliogram`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/kilogram