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Old São Tomé Dobra (STD) to Japanese Yen (JPY)

Convert old São Tomé dobras to Japanese yen at the live mid-market rate. Reverse: JPY 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 JPY.

1 Old São Tomé Dobra =

0.007228 JPY −0.23% today

1 STD = 0.00722784 JPY · 1 JPY = 138.354 STD

Mid-market rate, updated 23:04 UTC. Paid plans update as often as every 60 seconds. Get STD→JPY rates via API

STD to JPY over the last year

0.0070.00720.00740.0076Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
0.0076130
52-week low
0.0069984
52-week average
0.0074061
Change over the year
+3.24%

Conversion tables

STD to JPY
STD JPY
1 STD 0.007228 JPY
10 STD 0.07228 JPY
100 STD 0.7228 JPY
1,000 STD 7 JPY
10,000 STD 72 JPY
50,000 STD 361 JPY
100,000 STD 723 JPY
JPY to STD
JPY STD
1 JPY 138.35 STD
10 JPY 1,383.54 STD
100 JPY 13,835.39 STD
1,000 JPY 138,353.87 STD
10,000 JPY 1,383,538.73 STD
50,000 JPY 6,917,693.63 STD
100,000 JPY 13,835,387.26 STD

Get STD→JPY rates via API

The live rate, the rate on any past day or a whole range, for JPY 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=JPY \
  -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=JPY \
  -d date=2025-10-01 \
  -H "apikey: YOUR-API-KEY"

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Questions about STD to JPY

How much is 1 STD in JPY?

1 Old São Tomé Dobra is 0.00722784 Japanese yen at the mid-market rate of 1 October 2026, 23:04 UTC, and 1 JPY is 138.354 STD.

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

Over the last 52 weeks 1 STD ranged from 0.00699842 to 0.00761297 JPY, 0.00740605 JPY on average.

Which exchange rate is this?

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