Convert 10 Guyanese Dollar (GYD) to Old São Tomé Dobra (STD)

Convert Guyanese dollars to old São Tomé dobras at the live mid-market rate. Reverse: STD to GYD

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 GYD to STN.

Guyanese Dollar (GYD) is not the US Dollar (USD). Looking for USD to STD?

Amount

From

10 Guyanese dollars =

1,044.13 STD −0.67% today

1 GYD = 104.413 STD · 1 STD = 0.00957737 GYD

Mid-market rate, updated 07:53 UTC. Paid plans update as often as every 60 seconds. Get GYD→STD rates via API

GYD to STD over the last year

52-week high: 105.45
52-week low: 98.80
52-week average: 101.75
Change over the year: +4.04%

Conversion tables

GYD to STD
GYD	STD
1 GYD	104.41 STD
10 GYD	1,044.13 STD
100 GYD	10,441.28 STD
1,000 GYD	104,412.79 STD
10,000 GYD	1,044,127.93 STD
50,000 GYD	5,220,639.63 STD
100,000 GYD	10,441,279.26 STD

STD to GYD
STD	GYD
1 STD	0.009577 GYD
10 STD	0.09577 GYD
100 STD	0.9577 GYD
1,000 STD	9.58 GYD
10,000 STD	95.77 GYD
50,000 STD	478.87 GYD
100,000 STD	957.74 GYD

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

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Questions about GYD to STD

How much is 10 GYD in STD?

10 Guyanese dollars is 1,044.13 old São Tomé dobras at the mid-market rate of 4 October 2026, 07:53 UTC, when 1 GYD = 104.413 STD.

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

Over the last 52 weeks 1 GYD ranged from 98.7951 to 105.45 STD, 101.751 STD on average.

Which exchange rate is this?

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