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Cambodian Riel (KHR) to Old São Tomé Dobra (STD)

Convert Cambodian riels to old São Tomé dobras at the live mid-market rate. Reverse: STD to KHR

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 KHR to STN.

1 Cambodian Riel =

5.38 STD −0.67% today

1 KHR = 5.37609 STD · 1 STD = 0.186009 KHR

Mid-market rate, updated 03:41 UTC. Paid plans update as often as every 60 seconds. Get KHR→STD rates via API

KHR to STD over the last year

5.205.305.40Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
5.4295
52-week low
5.1346
52-week average
5.2866
Change over the year
+2.81%

Conversion tables

KHR to STD
KHR STD
1 KHR 5.38 STD
10 KHR 53.76 STD
100 KHR 537.61 STD
1,000 KHR 5,376.09 STD
10,000 KHR 53,760.87 STD
50,000 KHR 268,804.37 STD
100,000 KHR 537,608.73 STD
STD to KHR
STD KHR
1 STD 0.186 KHR
10 STD 1.86 KHR
100 STD 18.60 KHR
1,000 STD 186.01 KHR
10,000 STD 1,860.09 KHR
50,000 STD 9,300.44 KHR
100,000 STD 18,600.89 KHR

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

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Questions about KHR to STD

How much is 1 KHR in STD?

1 Cambodian Riel is 5.37609 old São Tomé dobras at the mid-market rate of 4 October 2026, 03:41 UTC, and 1 STD is 0.186009 KHR.

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

Over the last 52 weeks 1 KHR ranged from 5.13459 to 5.4295 STD, 5.28664 STD on average.

Which exchange rate is this?

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