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Sri Lanka NIC Check Online — Date of Birth, Age & Gender Decoder

Enter any Sri Lankan NIC number — old 10-character (9 digits + V/X) or new 12-digit format — and instantly see the date of birth, age, gender, voter status, and old-to-new conversion. No login needed. Everything runs in your browser; nothing is sent to a server.

By Induwara AshinsanaUpdated Aug 5, 2026
Decode a Sri Lankan NICOld & new format
Client-side · No upload

10 characters (old: 9 digits + V/X) or 12 digits (new). Nothing leaves your browser — input is decoded locally.

Try a sample
Structurally valid

Format, year, day-of-year and suffix are well-formed. Check digit not verified (no public DRP algorithm).

old format
Date of birth
1990-10-20
20 October 1990
Age today
35y 9m 28d
35 years total
Gender
Male
Day field 001–366
Voter status
Eligible (V)
Old format trailing letter

How we decoded this

PositionFieldRawDecoded
1–2Year (YY)901990 → 1990
3–5Day (DDD)293Day 293 (Male)
6–8Serial (SSS)456Issuance serial 456
9Check digit7Not verified — no public DRP algorithm
10Voter letterVV → voter eligible at issuance

Equivalent new-format NIC (computed)

199029304567

Mathematically equivalent — DRP is the only authority that issues the actual new NIC.

Format spec: Department for Registration of Persons (DRP). No check-digit algorithm is officially published — this tool validates structure only.

Old NIC Format (pre-2016)

YY
Birth Year (19YY)
DDD
Day-of-year (+500 = Female)
SSS
Serial
C
Check digit
V/X
Voter status

Example: 902934567V → Year 1990, Day 793−500=293 (Female, 20 Oct), Serial 456, Voter

New NIC Format (2016+)

YYYY
Full birth year
DDD
Day-of-year (+500 = Female)
SSSS
Serial (4 digits)
C
Check digit

Example: 199027304567 → Year 1990, Day 273 (Male, 30 Sep), Serial 0456

How it works

A Sri Lankan NIC is not a random ID. The Department for Registration of Persons (DRP) packs the holder's year of birth, day-of-year, gender, and an issuance serial into the digits themselves, with a single trailing check digit and (on old cards) a V or X suffix indicating voter eligibility at the time of registration. Once you know which positions mean what, the entire date of birth falls out arithmetically — which is exactly what the tool above does.

Old format (pre-2016, 10 characters)

Pattern: YY DDD SSS C X where YY is the last 2 digits of birth year (always interpreted as 19YY — old NICs were issued through 2015 and the holder must be 16+, so the practical range is 1900–1999), DDD is the 3-digit day-of-year field (1–366 for Male; 501–866 for Female, i.e. the same day with +500 added), SSS is a 3-digit issuance serial, Cis a single check digit, and the final V (voter) or X (non-voter) letter records the holder's voter status at the time the card was issued.

New format (2016+, 12 digits)

Pattern: YYYY DDD SSSS C. The year is now stored in full, the serial widens from 3 to 4 digits, and the trailing voter letter is removed (voter eligibility moved to the separate Election Commission register). The gender encoding — DDD ≥ 501 means Female — is unchanged so the new NIC remains self-decoding.

Day-of-year to calendar date

After stripping the +500 offset where applicable, the day-of-year is converted to a date using standard Gregorian arithmetic. Day 1 is 1 January; day 60 is 1 March in a normal year and 29 February in a leap year; day 366 only exists in leap years. The tool flags out-of-range values (for example, day 366 in 1990) as invalid rather than silently wrapping into the next year.

Age

Age is computed against the reference date you supply (default: today) as a whole years / months / days difference, with proper month-overflow borrowing — the same calendar-arithmetic any payroll or KYC system would use. Set the reference date to a future date to project the holder's age on that day.

What we do not do

DRP has never published the check-digit algorithm, so this tool — like every other public NIC tool — validates structure only. A NIC that passes here is well-formed; it is not necessarily issued. For authoritative verification, contact DRP. The tool also does not look up any government database, store input, or compute a checksum.

Worked examples

Input NIC

902934567V(Old format · Female · Voter)

  1. Length: 10 chars (9 digits + V) → old format ✓
  2. Year YY = 90 → 1990
  3. Day DDD = 793 > 500 → Female, actual day = 793 − 500 = 293
  4. 1990 is not a leap year (366-day check: 1990/4 = 497.5)
  5. Day 293 of 1990 → 20 October 1990
  6. Serial SSS = 456, check digit = 7
  7. Suffix V → voter eligible at issuance
  8. Equivalent new NIC = 1990 + 793 + 0456 + 7 = 199079304567
  9. Age on 2026-05-10: 35 years, 6 months, 20 days

Input NIC

200218502345(New format · Male)

  1. Length: 12 digits → new format ✓
  2. Year YYYY = 2002
  3. Day DDD = 185 ≤ 500 → Male, actual day = 185
  4. Day 185 of 2002 → 4 July 2002 (Jan 31 + Feb 28 + Mar 31 + Apr 30 + May 31 + 4)
  5. Serial SSSS = 0234, check digit = 5
  6. Age on 2026-05-10: 23 years, 10 months, 6 days

Input NIC

889994321V(Invalid)

  1. Length: 10 chars → looks like old format
  2. Year YY = 88 → 1988 (leap year — 366 days)
  3. Day DDD = 999 > 500 → Female, actual day = 999 − 500 = 499
  4. Day 499 > 366 → out of range
  5. Verdict: structurally invalid (day-of-year exceeds days in year)

Renewing your NIC while living abroad

If you searched for how to renew a Sri Lankan NIC from the US, UK, Australia or the Gulf, you were probably shown a passportpage. That is the single most common source of confusion here, and it is worth being blunt about: the passport and the NIC are issued by two different government bodies, and only one of them is served by Sri Lanka's missions abroad. Passports come from the Department of Immigration and Emigration, and embassies and consulates do handle passport renewal. The NIC comes from the Department for Registration of Persons (DRP), and the published consular service lists do not include it.

Embassies and consulates do not issue or amend NICs

The Sri Lankan Embassy in the United States lists sixteen consular services — passports, visas, dual citizenship, police clearance certificates, birth, marriage and death registration, document attestation, even driving licences for overseas Sri Lankans. The NIC is not among them. The clearest confirmation is in the embassy's own passport guidance: an applicant who does not hold a NIC is asked to submit “a letter with an undertaking that you will obtain a new National Identity Card during your next visit to Sri Lanka.” In other words, the mission's own instruction assumes the NIC is something you deal with in Sri Lanka, not at the consulate.

There is no NIC “renewal” in the passport sense

DRP publishes five NIC services: obtaining a NIC for the first time, obtaining one for a lost NIC, amendment of a NIC, obtaining a NIC for dual citizens, and the one-day service. There is no periodic renewal cycle of the kind a passport has. So if you are abroad and think you need a “renewal”, what you almost certainly need is either an amendment — the card is damaged, the details on it have changed, or the print has become illegible — or a replacement for a lost card.

Why the process lands you back in Sri Lanka

Two published requirements make this hard to complete from overseas. First, an application has to be routed through a certifying officer: for most applicants that is the Grama Niladhari of your division, with the Divisional Secretary's counter-signature (school principals certify for students, estate superintendents for estate residents). DRP does not publish a consular or overseas equivalent of that certification. Second, the photograph has to be an ICAO-standard image taken within the previous six months, and DRP's registered photo studios are described as being spread across the island. An amendment application also asks for your previous NIC — or a police report if the card is missing — plus the fee receipt.

The one-day service shows the same pattern. After the Grama Niladhari and Divisional Secretary have attested the application, the applicant goes to the DRP head office at Suhurupaya, Battaramulla, submits it on the 9th floor and waits there while it is processed, with the card normally ready within about three hours. In practice this is why most Sri Lankans overseas handle a NIC amendment or replacement on a trip home rather than remotely.

DRP does not publish any power-of-attorney or authorised-representative route for NIC applications, and it does not publish an overseas postal option — issued cards are described as being mailed to the applicant's personal address. Treat anyone who offers to obtain or renew a NIC on your behalf from abroad with caution, and confirm what is actually possible with DRP directly before paying a third party.

What you can do from abroad

  • Get your NIC details confirmed in writing. DRP runs an e-services NIC portal that issues a confirmation letter of NIC details, and its number-verification branch issues verification letters. DRP lists [email protected] and 011 522 6164 for people who cannot use the online system, asking for supporting documents such as the identity card and the birth certificate.
  • Get an English translation.Translation of NICs into English is one of DRP's listed other services — useful when a foreign bank, university or employer needs the card in English.
  • Decode the number you already have. If a form abroad asks for the 12-digit format and your card is the old 10-character one, paste it into the decoder at the top of this page. It shows the date of birth, gender and serial encoded in the number and computes the equivalent new-format NIC — no card, no login, no server.

Dual citizenship changes the answer

DRP's own FAQ draws a line that matters to the diaspora. If you hold dual citizenship under section 19(3) of the Citizenship Act, your Sri Lankan citizenship by birth is not cancelled, so DRP states it is not mandatory to reapply for a NIC after obtaining the dual citizenship certificate — and if you do later apply because of an amendment or a lost card, the number you have been using stays the same. Under section 19(2) the position is different: citizenship by birth is lost and the NIC number used until then is cancelled, so a new number is issued. That is the one common situation where a Sri Lankan abroad genuinely ends up with a different NIC number.

Checked against drp.gov.lk and the published consular service list of the Sri Lankan Embassy in the United States on 2026-08-13. Procedures, fees and service availability change — confirm current requirements directly with DRP or your nearest Sri Lankan mission before you travel or pay anything. This section is general orientation, not legal or immigration advice.

Frequently asked questions

Sources & references

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