On 2026-10-16, 1 Sierra Leonean Leone (SLL) = 0.0004108 Harmony (ONE) at the mid-market rate. Conversely, 1 ONE = 2,434.53 SLL. Over the last 30 days the SLL/ONE rate moved between 0.0002688 and 0.0004108, a change of +25.71%.
You have converted 1 SLL to ONE : 0.000411 ONE.
On this page you can find the latest exchange rate between Sierra Leonean Leone and Harmony, rates are updated every day, for this conversion we used the mid-market rate: 0.00041075723. You can convert Sierra Leonean Leone to other different currencies with the converter on right sidebar.
Would you like to invert the currencies ?
Please visit
Harmony (ONE) Sierra Leonean Leone (SLL).
Last update : Thu, 15 Oct 2026 22:00:00 +0000
Last update : Thu, 15 Oct 2026 22:00:00 +0000
Over the last 30 days the SLL/ONE rate rose sharply (+25.71%): the SLL strengthened markedly against the ONE. Over the past 12 months it ranged from 0.0002688 (2026-09-22) to 0.08978 (2025-12-06), with an average of 0.01987. Today's rate is 97.93% below its one-year average: 1 SLL buys fewer ONE than usual. Day-to-day movements are large (average daily change of 4.91%), so the amount received can vary noticeably from one day to the next. The largest daily move of the last 30 days was -15.24% on 2026-09-18.
| Period | Date | 1 SLL = | Change |
|---|---|---|---|
| 1 week ago | 2026-10-09 | 0.0003266 ONE | +25.76% |
| 1 month ago | 2026-09-16 | 0.0003268 ONE | +25.71% |
| 3 months ago | 2026-07-15 | 0.03802 ONE | -98.92% |
| 6 months ago | 2026-04-17 | 0.02106 ONE | -98.05% |
| 1 year ago | 2025-10-16 | 0.006165 ONE | -93.34% |
| Date | Sierra Leonean Leone | Harmony |
|---|---|---|
| Friday, 10/16/2026 | 1 SLL = | 0.00041075723 ONE |
| Thursday, 10/15/2026 | 1 SLL = | 0.00038312537 ONE |
| Wednesday, 10/14/2026 | 1 SLL = | 0.00036867294 ONE |
| Tuesday, 10/13/2026 | 1 SLL = | 0.00035938224 ONE |
| Monday, 10/12/2026 | 1 SLL = | 0.00033431496 ONE |
| Sunday, 10/11/2026 | 1 SLL = | 0.00032574593 ONE |
| Saturday, 10/10/2026 | 1 SLL = | 0.00034187154 ONE |
| Friday, 10/09/2026 | 1 SLL = | 0.00032662474 ONE |
| Thursday, 10/08/2026 | 1 SLL = | 0.00031798144 ONE |
| Wednesday, 10/07/2026 | 1 SLL = | 0.00028809647 ONE |
| SLL | ONE | SLL | ONE |
|---|---|---|---|
| 5 SLL = | 0.0021 ONE | 12172.6403 SLL = | 5 ONE |
| 10 SLL = | 0.0041 ONE | 24345.2805 SLL = | 10 ONE |
| 20 SLL = | 0.0082 ONE | 48690.5611 SLL = | 20 ONE |
| 50 SLL = | 0.0205 ONE | 121726.4027 SLL = | 50 ONE |
| 100 SLL = | 0.0411 ONE | 243452.8054 SLL = | 100 ONE |
| 300 SLL = | 0.1232 ONE | 730358.4163 SLL = | 300 ONE |
| 500 SLL = | 0.2054 ONE | 1217264.0272 SLL = | 500 ONE |
| 1000 SLL = | 0.4108 ONE | 2434528.0544 SLL = | 1000 ONE |
1 Sierra Leonean Leone is worth 0.0004108 Harmony at the mid-market rate of 2026-10-16. 1 Harmony is worth 2,434.53 Sierra Leonean Leone.
100 SLL = 0.04108 ONE, and 100 ONE = 243,452.81 SLL (rate of 2026-10-16).
Over 30 days the rate went from 0.0003268 to 0.0004108 (+25.71%). The 30-day high was 0.0004108 and the low was 0.0002688.
One week ago 1 SLL was worth 0.0003266 ONE; today it is worth 0.0004108 ONE (+25.76%).
The highest rate of the past 12 months was 1 SLL = 0.08978 ONE on 2025-12-06; the lowest was 0.0002688 ONE on 2026-09-22.
XeConvert publishes daily mid-market reference rates aggregated from public market data and central bank sources. Banks, card issuers and exchange offices add a margin, so the rate you actually get may be slightly different.