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Nigerian Naira (NGN) to Old São Tomé Dobra (STD)

Convert Nigerian nairas to old São Tomé dobras at the live mid-market rate. Reverse: STD to NGN

The Old São Tomé Dobra is no longer in use

Old São Tomé Dobra (STD) was replaced by the São Tomé and Príncipe Dobra (STN) in 2018. For today’s money, convert NGN to STN.

1 Nigerian Naira =

16.42 STD −0.67% today

1 NGN = 16.4218 STD · 1 STD = 0.0608946 NGN

Mid-market rate, updated 12:03 UTC. Paid plans update as often as every 60 seconds. Get NGN→STD rates via API

NGN to STD over the last year

15.0016.00Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
16.585
52-week low
14.306
52-week average
15.344
Change over the year
+14.50%

Conversion tables

NGN to STD
NGN STD
1 NGN 16.42 STD
10 NGN 164.22 STD
100 NGN 1,642.18 STD
1,000 NGN 16,421.81 STD
10,000 NGN 164,218.08 STD
50,000 NGN 821,090.39 STD
100,000 NGN 1,642,180.78 STD
STD to NGN
STD NGN
1 STD 0.06089 NGN
10 STD 0.6089 NGN
100 STD 6.09 NGN
1,000 STD 60.89 NGN
10,000 STD 608.95 NGN
50,000 STD 3,044.73 NGN
100,000 STD 6,089.46 NGN

Get NGN→STD rates via API

The live rate, the rate on any past day or a whole range, for STD and 170+ other currencies, as JSON. Free plan included. See the exchange rate API.

Get a free API key API documentation 
curl https://api.currencyapi.com/v3/latest \
  -G -d base_currency=NGN -d currencies=STD \
  -H "apikey: YOUR-API-KEY"

# the rate on a past day
curl https://api.currencyapi.com/v3/historical \
  -G -d base_currency=NGN -d currencies=STD \
  -d date=2025-10-04 \
  -H "apikey: YOUR-API-KEY"

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Questions about NGN to STD

How much is 1 NGN in STD?

1 Nigerian Naira is 16.4218 old São Tomé dobras at the mid-market rate of 4 October 2026, 12:03 UTC, and 1 STD is 0.0608946 NGN.

What was the NGN to STD rate over the last year?

Over the last 52 weeks 1 NGN ranged from 14.3063 to 16.585 STD, 15.3443 STD on average.

Which exchange rate is this?

The mid-market rate: the midpoint between what currency markets pay and ask for NGN/STD, without the margin a bank or card issuer adds, so the rate you are charged is usually a little worse.