Convert 100 Arbitrum (ARB) to Old São Tomé Dobra (STD)

Convert Arbitrums to old São Tomé dobras at the live mid-market rate. Reverse: STD to ARB

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 ARB to STN.

Amount

From

100 Arbitrums =

441,628.34 STD −0.36% today

1 ARB = 4,416.28 STD · 1 STD = 0.00022643 ARB

Mid-market rate, updated 15:58 UTC. Paid plans update as often as every 60 seconds. Get ARB→STD rates via API

ARB to STD over the last year

52-week high: 9,631.78
52-week low: 1,553.38
52-week average: 3,277.35
Change over the year: −51.46%

Conversion tables

ARB to STD
ARB	STD
1 ARB	4,416.28 STD
10 ARB	44,162.83 STD
100 ARB	441,628.34 STD
1,000 ARB	4,416,283.44 STD
10,000 ARB	44,162,834.41 STD
50,000 ARB	220,814,172.07 STD
100,000 ARB	441,628,344.13 STD

STD to ARB
STD	ARB
1 STD	0.0002264 ARB
10 STD	0.002264 ARB
100 STD	0.02264 ARB
1,000 STD	0.2264 ARB
10,000 STD	2.26434700 ARB
50,000 STD	11.32173500 ARB
100,000 STD	22.64347000 ARB

Get ARB→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=ARB -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=ARB -d currencies=STD \
  -d date=2025-10-04 \
  -H "apikey: YOUR-API-KEY"

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Questions about ARB to STD

How much is 100 ARB in STD?

100 Arbitrums is 441,628.34 old São Tomé dobras at the mid-market rate of 4 October 2026, 15:58 UTC, when 1 ARB = 4,416.28 STD.

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

Over the last 52 weeks 1 ARB ranged from 1,553.38 to 9,631.78 STD, 3,277.35 STD on average.

Which exchange rate is this?

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