Convert 10 Sierra Leonean Leone (SLE) to Old São Tomé Dobra (STD)

Convert Sierra Leonean leones to old São Tomé dobras at the live mid-market rate. Reverse: STD to SLE

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 SLE to STN.

Amount

From

10 Sierra Leonean leones =

9,464.26 STD −0.67% today

1 SLE = 946.426 STD · 1 STD = 0.00105661 SLE

Mid-market rate, updated 06:22 UTC. Paid plans update as often as every 60 seconds. Get SLE→STD rates via API

SLE to STD over the last year

52-week high: 954.68
52-week low: 853.20
52-week average: 925.78
Change over the year: +5.10%

Conversion tables

SLE to STD
SLE	STD
1 SLE	946.43 STD
10 SLE	9,464.26 STD
100 SLE	94,642.64 STD
1,000 SLE	946,426.42 STD
10,000 SLE	9,464,264.24 STD
50,000 SLE	47,321,321.22 STD
100,000 SLE	94,642,642.43 STD

STD to SLE
STD	SLE
1 STD	0.001057 SLE
10 STD	0.01057 SLE
100 STD	0.1057 SLE
1,000 STD	1.06 SLE
10,000 STD	10.57 SLE
50,000 STD	52.83 SLE
100,000 STD	105.66 SLE

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

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Questions about SLE to STD

How much is 10 SLE in STD?

10 Sierra Leonean leones is 9,464.26 old São Tomé dobras at the mid-market rate of 4 October 2026, 06:22 UTC, when 1 SLE = 946.426 STD.

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

Over the last 52 weeks 1 SLE ranged from 853.203 to 954.685 STD, 925.78 STD on average.

Which exchange rate is this?

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