Does it use native or Spanish-derived numbers?

It uses the native Tagalog numerals: isa, dalawa, tatlo, apat, lima, anim, pito, walo, siyam and sampu. Spanish-derived numbers (uno, dos, tres…) are common in money and time but are a separate system; this tool focuses on the native words.

How are teens and tens formed?

Ten is sampu, and teens use labing-: labing-isa (11), labindalawa (12), and so on. Tens are dalawampu (20), tatlumpu (30), apatnapu (40), up to siyamnapu (90). A trailing unit is joined with 't, so 21 is dalawampu't isa.

What about hundreds, thousands and millions?

One hundred is sandaan and other hundreds use the linked unit plus daan (dalawang daan for 200). Thousand is libo (sanlibo for one thousand), then milyon for million and bilyon for billion, each preceded by isang for a single unit.

How does the ika- ordinal work?

Ordinals add the prefix ika- to the cardinal number — ika-tatlo for third, ika-sampu for tenth. Two forms are irregular: first is una and second is ikalawa. The tool shows the ika- ordinal for whatever number you enter.

Is my number sent anywhere?

No. The conversion is pure JavaScript running in your browser using Tagalog numeral tables. Nothing you type leaves your device.

Tagalog Number to Words

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Native Tagalog numbers, spelled out

Filipino has two number systems — the Spanish-derived one used for money and clock time, and the native Tagalog one taught in school. This tool spells numbers using the native words: isa, dalawa, tatlo, up through sampu, daan, libo and beyond, with the correct linking and the ika- ordinal.

How it works

The converter splits the number into three-digit groups (units, libo, milyon, bilyon) and spells each group:

Units and teens: isa–siyam, sampu (10), then labing- teens such as labing-isa (11) and labindalawa (12).
Tens: dalawampu (20), tatlumpu (30), through siyamnapu (90). A unit is attached with 't, e.g. dalawampu't isa (21).
Hundreds: sandaan (100) and <linked-unit> daan for the rest (dalawang daan for 200), joined to the remainder with at.
Scale words: libo (thousand, contracting to sanlibo), milyon, bilyon, each taking isang for a single unit.

The same engine produces the ika- ordinal, with una (1st) and ikalawa (2nd) as irregulars.

Tips and example

For example, 231 becomes dalawang daan at tatlumpu't isa, and its ordinal is ika- plus that cardinal. The number 1,000 spells out as sanlibo, while 2,000 is dalawang libo. To write a date in full Filipino prose using these same number forms, use the companion Tagalog Date in Words tool.