How to count in Indonesian

Enter a number and read it spelled out in Indonesian.

Language overview

The Indonesian language (Bahasa Indonesia) belongs to the Austronesian family, and more specifically to the Malayan group. Official national language of Indonesia, it counts about 25 million native speakers.

Indonesian numbering rules

  • Digits from zero to nine are specific words, namely kosong [0], satu [1], dua [2], tiga [3], empat [4], lima [5], enam [6], tujuh [7], delapan [8], and sembilan [9].
  • Numbers from eleven to nineteen are built by saying the unit then the belas word (quite equivalent to “-teen”), separated by a space, with the exception of eleven: sebelas [11] (se- meaning one), dua belas [12], tiga belas [13], empat belas [14], lima belas [15], enam belas [16], tujuh belas [17], delapan belas [18], and sembilan belas [19].
  • The tens are built from the multiplier number, followed by the word puluh, separated by a space, with the exception of ten: sepuluh [10] (se- meaning one), dua puluh [20], tiga puluh [30], empat puluh [40], lima puluh [50], enam puluh [60], tujuh puluh [70], delapan puluh [80], and sembilan puluh [90].
  • From twenty-one to ninety-nine, the numbers are built by saying the ten, then the digit separated by a space (e.g.: tiga puluh empat [34], enam puluh tujuh [67]).
  • The hundreds are built the same way as the tens, using the hundred word (ratus): sepuluh [100] (se- for one), dua ratus [200], tiga ratus [300]… The thousands follow the same structure, the word for thousand being ribu: seribu [1,000] (same prefix se-), dua ribu [2,000], tiga ribu [3,000]…
  • One million is said sejuta. Indonesian uses the long scale for big numbers where every new word greater than a million is one million times bigger than the previous term. Thus, seribu milyar is 1012 (equivalent to the US trillion), and the US billion (109) is called milyar.

Books

Numbers list

1 – satu
2 – dua
3 – tiga
4 – empat
5 – lima
6 – enam
7 – tujuh
8 – delapan
9 – sembilan
10 – sepuluh
11 – sebelas
12 – dua belas
13 – tiga belas
14 – empat belas
15 – lima belas
16 – enam belas
17 – tujuh belas
18 – delapan belas
19 – sembilan belas
20 – dua puluh
30 – tiga puluh
40 – empat puluh
50 – lima puluh
60 – enam puluh
70 – tujuh puluh
80 – delapan puluh
90 – sembilan puluh
100 – seratus
1,000 – seribu
one million – sejuta
one billion – milyar
one trillion – seribu milyar

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