Convert 100 Old Sierra Leonean Leone (SLL) to Mongolian Tugrik (MNT)

Convert old Sierra Leonean leones to Mongolian Tugrik at the live mid-market rate. Reverse: MNT to SLL

The Old Sierra Leonean Leone is no longer in use

Old Sierra Leonean Leone (SLL) was replaced by the Sierra Leonean Leone (SLE) in 2022. For today’s money, convert SLE to MNT.

Amount

From

100 old Sierra Leonean leones =

15.65 MNT 0.00% today

1 SLL = 0.156458 MNT · 1 MNT = 6.39151 SLL

Mid-market rate, updated 15:43 UTC. Paid plans update as often as every 60 seconds. Get SLL→MNT rates via API

SLL to MNT over the last year

52-week high: 0.15909
52-week low: 0.15443
52-week average: 0.15692
Change over the year: −1.32%

Conversion tables

SLL to MNT
SLL	MNT
1 SLL	0.1565 MNT
10 SLL	1.56 MNT
100 SLL	15.65 MNT
1,000 SLL	156.46 MNT
10,000 SLL	1,564.58 MNT
50,000 SLL	7,822.88 MNT
100,000 SLL	15,645.75 MNT

MNT to SLL
MNT	SLL
1 MNT	6.39 SLL
10 MNT	63.92 SLL
100 MNT	639.15 SLL
1,000 MNT	6,391.51 SLL
10,000 MNT	63,915.11 SLL
50,000 MNT	319,575.57 SLL
100,000 MNT	639,151.14 SLL

Get SLL→MNT rates via API

The live rate, the rate on any past day or a whole range, for MNT 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=SLL -d currencies=MNT \
  -H "apikey: YOUR-API-KEY"

# the rate on a past day
curl https://api.currencyapi.com/v3/historical \
  -G -d base_currency=SLL -d currencies=MNT \
  -d date=2025-10-04 \
  -H "apikey: YOUR-API-KEY"

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Questions about SLL to MNT

How much is 100 SLL in MNT?

100 old Sierra Leonean leones is 15.65 Mongolian Tugrik at the mid-market rate of 4 October 2026, 15:43 UTC, when 1 SLL = 0.156458 MNT.

What was the SLL to MNT rate over the last year?

Over the last 52 weeks 1 SLL ranged from 0.154429 to 0.159092 MNT, 0.156923 MNT on average.

Which exchange rate is this?

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