Convert 1 Old Zambian Kwacha (ZMK) to Sierra Leonean Leone (SLE)

Convert old Zambian kwachas to Sierra Leonean leones at the live mid-market rate. Reverse: SLE to ZMK

The Old Zambian Kwacha is no longer in use

Old Zambian Kwacha (ZMK) was replaced by the Zambian Kwacha (ZMW) in 2013. For today’s money, convert ZMW to SLE.

Amount

From

1 Old Zambian Kwacha =

0.00256 SLE 0.00% today

1 ZMK = 0.00256026 SLE · 1 SLE = 390.585 ZMK

Mid-market rate, updated 09:18 UTC. Paid plans update as often as every 60 seconds. Get ZMK→SLE rates via API

ZMK to SLE over the last year

52-week high: 0.0027385
52-week low: 0.0025163
52-week average: 0.0025523
Change over the year: −0.97%

Conversion tables

ZMK to SLE
ZMK	SLE
1 ZMK	0.00256 SLE
10 ZMK	0.0256 SLE
100 ZMK	0.256 SLE
1,000 ZMK	2.56 SLE
10,000 ZMK	25.60 SLE
50,000 ZMK	128.01 SLE
100,000 ZMK	256.03 SLE

SLE to ZMK
SLE	ZMK
1 SLE	391 ZMK
10 SLE	3,906 ZMK
100 SLE	39,059 ZMK
1,000 SLE	390,585 ZMK
10,000 SLE	3,905,852 ZMK
50,000 SLE	19,529,262 ZMK
100,000 SLE	39,058,524 ZMK

Get ZMK→SLE rates via API

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

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

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Questions about ZMK to SLE

How much is 1 ZMK in SLE?

1 Old Zambian Kwacha is 0.00256 Sierra Leonean leones at the mid-market rate of 4 October 2026, 09:18 UTC, when 1 ZMK = 0.00256026 SLE.

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

Over the last 52 weeks 1 ZMK ranged from 0.00251633 to 0.00273854 SLE, 0.00255233 SLE on average.

Which exchange rate is this?

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