Convert 1 Old Sierra Leonean Leone (SLL) to Nepalese Rupee (NPR)

Convert old Sierra Leonean leones to Nepalese rupees at the live mid-market rate. Reverse: NPR 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 NPR.

Amount

From

1 Old Sierra Leonean Leone =

0.006698 NPR 0.00% today

1 SLL = 0.00669824 NPR · 1 NPR = 149.293 SLL

Mid-market rate, updated 08:22 UTC. Paid plans update as often as every 60 seconds. Get SLL→NPR rates via API

SLL to NPR over the last year

52-week high: 0.0067947
52-week low: 0.0062059
52-week average: 0.0065086
Change over the year: +6.99%

Conversion tables

SLL to NPR
SLL	NPR
1 SLL	0.006698 NPR
10 SLL	0.06698 NPR
100 SLL	0.6698 NPR
1,000 SLL	6.70 NPR
10,000 SLL	66.98 NPR
50,000 SLL	334.91 NPR
100,000 SLL	669.82 NPR

NPR to SLL
NPR	SLL
1 NPR	149.29 SLL
10 NPR	1,492.93 SLL
100 NPR	14,929.30 SLL
1,000 NPR	149,292.97 SLL
10,000 NPR	1,492,929.73 SLL
50,000 NPR	7,464,648.63 SLL
100,000 NPR	14,929,297.25 SLL

Get SLL→NPR rates via API

The live rate, the rate on any past day or a whole range, for NPR 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=NPR \
  -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=NPR \
  -d date=2025-10-04 \
  -H "apikey: YOUR-API-KEY"

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Questions about SLL to NPR

How much is 1 SLL in NPR?

1 Old Sierra Leonean Leone is 0.006698 Nepalese rupees at the mid-market rate of 4 October 2026, 08:22 UTC, when 1 SLL = 0.00669824 NPR.

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

Over the last 52 weeks 1 SLL ranged from 0.00620588 to 0.00679466 NPR, 0.00650856 NPR on average.

Which exchange rate is this?

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