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  2. STD to ARB

250 STD to ARB

Convert São Tomé and Príncipe dobras to Arbitrums at the live mid-market rate.

250 São Tomé and Príncipe dobras =

0.05575 ARB −2.28% today

1 STD = 0.00022299 ARB · 1 ARB = 4,484.43 STD

Mid-market rate, updated 23:01 UTC. Paid plans update as often as every 60 seconds. Get this rate via API

STD to ARB over the last year

0.00020.00040.0006Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
0.00064376
52-week low
0.00010382
52-week average
0.00037279
Change over the year
+96.74%

Conversion tables

STD to ARB
STD ARB
1 STD 0.000223 ARB
5 STD 0.001115 ARB
10 STD 0.00223 ARB
25 STD 0.005575 ARB
50 STD 0.01115 ARB
100 STD 0.0223 ARB
250 STD 0.05575 ARB
500 STD 0.1115 ARB
1,000 STD 0.223 ARB
5,000 STD 1.11496800 ARB
10,000 STD 2.22993600 ARB
50,000 STD 11.14968000 ARB
ARB to STD
ARB STD
1 ARB 4,484.43 STD
5 ARB 22,422.16 STD
10 ARB 44,844.33 STD
25 ARB 112,110.82 STD
50 ARB 224,221.64 STD
100 ARB 448,443.28 STD
250 ARB 1,121,108.19 STD
500 ARB 2,242,216.38 STD
1,000 ARB 4,484,432.75 STD
5,000 ARB 22,422,163.76 STD
10,000 ARB 44,844,327.52 STD
50,000 ARB 224,221,637.61 STD

STD to ARB via API

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

curl https://api.currencyapi.com/v3/latest \
  -G -d base_currency=STD -d currencies=ARB \
  -H "apikey: YOUR-API-KEY"

# the rate on a past day
curl https://api.currencyapi.com/v3/historical \
  -G -d base_currency=STD -d currencies=ARB \
  -d date=2025-09-29 \
  -H "apikey: YOUR-API-KEY"

Popular São Tomé and Príncipe dobra conversions

Questions about STD to ARB

How much is 250 STD in ARB?

250 São Tomé and Príncipe dobras is 0.05575 Arbitrums at the mid-market rate of 29 September 2026, 23:01 UTC, when 1 STD = 0.00022299 ARB.

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

Over the last 52 weeks 1 STD ranged from 0.00010382 to 0.00064376 ARB, 0.00037279 ARB on average.

Which exchange rate is this?

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