Convert 1 Omani Rial (OMR) to Old São Tomé Dobra (STD)

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

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 OMR to STN.

Amount

From

1 Omani Rial =

56,636.68 STD −0.67% today

1 OMR = 56,636.68 STD · 1 STD = 0.00001766 OMR

Mid-market rate, updated 11:39 UTC. Paid plans update as often as every 60 seconds. Get OMR→STD rates via API

OMR to STD over the last year

52-week high: 57,199.43
52-week low: 53,612.58
52-week average: 55,220.41
Change over the year: +4.09%

Conversion tables

OMR to STD
OMR	STD
1 OMR	56,636.68 STD
10 OMR	566,366.84 STD
100 OMR	5,663,668.43 STD
1,000 OMR	56,636,684.33 STD
10,000 OMR	566,366,843.32 STD
50,000 OMR	2,831,834,216.58 STD
100,000 OMR	5,663,668,433.16 STD

STD to OMR
STD	OMR
1 STD	0.00001766 OMR
10 STD	0.0001766 OMR
100 STD	0.001766 OMR
1,000 STD	0.01766 OMR
10,000 STD	0.1766 OMR
50,000 STD	0.8828 OMR
100,000 STD	1.766 OMR

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

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Questions about OMR to STD

How much is 1 OMR in STD?

1 Omani Rial is 56,636.68 old São Tomé dobras at the mid-market rate of 4 October 2026, 11:39 UTC, when 1 OMR = 56,636.68 STD.

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

Over the last 52 weeks 1 OMR ranged from 53,612.58 to 57,199.43 STD, 55,220.41 STD on average.

Which exchange rate is this?

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