How to Write 1000000000 in Words


The number 1,000,000,000 is written as One billion in words.

Numbers to Words Converter

One billion

Comma Placement in Numbers

The main difference between the two systems is the position of the comma. This indicates how the numbers are grouped and read accordingly.

  • International Number System: In this number system, a comma is placed after every three digits from the right.
  • Indian Number System: The first comma is placed after three digits, but after that, it is placed after every two digits.
Numbering System Writing Format
Indian System 1,00,00,00,000
International System 1,000,000,000

How to Write in Indian System

Indian system groups last 3 digits, then every 2 digits.

1 Arab, 00 Crore, 00 Lakh, 00 Thousand, 000 Hundreds

How to Write in International System

International system groups digits in sets of 3.

1 Billion, 000 Million, 000 Thousand, 000 Units

Number Spelling in Words

The spelling of numbers to words varies depending on the placement of commas. Below we've listed the two main spellings of numbers to words.

Numbering System Spelling in Words
International System One billion
Indian System (English) One hundred crore
Indian System (Hindi) एक अरब

Number Spelling in Currency

The system for writing numbers in words varies from country to country. The international and other countries spelling systems are given in the table below.

Country Currency Spelling for 1,000,000,000
IndiaRupeeOne hundred crore Rupee
United StatesDollarOne billion Dollar
United KingdomPound SterlingOne billion Pound Sterling
European UnionEuroOne billion Euro
AustraliaAustralian DollarOne billion Australian Dollar
CanadaCanadian DollarOne billion Canadian Dollar
New ZealandNew Zealand DollarOne billion New Zealand Dollar
SingaporeSingapore DollarOne billion Singapore Dollar
JapanYenOne billion Yen
ChinaYuanOne billion Yuan
South KoreaWonOne billion Won
RussiaRubleOne billion Ruble
BrazilRealOne billion Real
MexicoPesoOne billion Peso
ArgentinaPesoOne billion Peso
ColombiaPesoOne billion Peso
ChilePesoOne billion Peso
South AfricaRandOne billion Rand
EgyptPoundOne billion Pound
KenyaShillingOne billion Shilling
TanzaniaShillingOne billion Shilling
GhanaCediOne billion Cedi
NigeriaNairaOne billion Naira
Saudi ArabiaRiyalOne billion Riyal
UAEDirhamOne billion Dirham
QatarRiyalOne billion Riyal
KuwaitDinarOne billion Dinar
BahrainDinarOne billion Dinar
OmanRialOne billion Rial
SwitzerlandSwiss FrancOne billion Swiss Franc
SwedenKronaOne billion Krona
NorwayKroneOne billion Krone
DenmarkKroneOne billion Krone
TurkeyLiraOne billion Lira
IndonesiaRupiahOne billion Rupiah
MalaysiaRinggitOne billion Ringgit
ThailandBahtOne billion Baht
VietnamDongOne billion Dong
PhilippinesPesoOne billion Peso
PakistanRupeeOne billion Rupee
BangladeshTakaOne billion Taka
Sri LankaRupeeOne billion Rupee
NepalRupeeOne billion Rupee