Convert 100,000 Old São Tomé Dobra (STD) to Iranian Rial (IRR)

Convert old São Tomé dobras to Iranian rials at the live mid-market rate. Reverse: IRR to STD

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 STN to IRR.

Amount

From

100,000 old São Tomé dobras =

7,987,148 IRR +0.67% today

1 STD = 79.8715 IRR · 1 IRR = 0.0125201 STD

Mid-market rate, updated 04:12 UTC. Paid plans update as often as every 60 seconds. Get STD→IRR rates via API

STD to IRR over the last year

52-week high: 80.096
52-week low: 1.953
52-week average: 46.824
Change over the year: +3,884.55%

Conversion tables

STD to IRR
STD	IRR
1 STD	80 IRR
10 STD	799 IRR
100 STD	7,987 IRR
1,000 STD	79,871 IRR
10,000 STD	798,715 IRR
50,000 STD	3,993,574 IRR
100,000 STD	7,987,148 IRR

IRR to STD
IRR	STD
1 IRR	0.01252 STD
10 IRR	0.1252 STD
100 IRR	1.25 STD
1,000 IRR	12.52 STD
10,000 IRR	125.20 STD
50,000 IRR	626.01 STD
100,000 IRR	1,252.01 STD

Get STD→IRR rates via API

The live rate, the rate on any past day or a whole range, for IRR 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=STD -d currencies=IRR \
  -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=IRR \
  -d date=2025-10-04 \
  -H "apikey: YOUR-API-KEY"

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Questions about STD to IRR

How much is 100,000 STD in IRR?

100,000 old São Tomé dobras is 7,987,148 Iranian rials at the mid-market rate of 4 October 2026, 04:12 UTC, when 1 STD = 79.8715 IRR.

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

Over the last 52 weeks 1 STD ranged from 1.95268 to 80.0956 IRR, 46.8237 IRR on average.

Which exchange rate is this?

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