1 NGN to SLL - Convert Nigerian Naira to Sierra Leonean Leone

Looking at the 30-day window, the NGN/SLL pair traded in a range of 17.7128 to 19.0138. The monthly average was 18.3396 with 1.73% volatility. The relatively low volatility indicates stable trading conditions for the NGN/SLL currency pair.

The current mid-market exchange rate is 1 NGN = 17.6615 SLL, updated as of July 3, 2026, 9:26 PM UTC. Mid-market rates represent the fairest available rate and are the midpoint between buy and sell prices on global currency markets. Actual transaction rates from banks or money transfer services may include a markup above this rate.

Nigerian Naira to Sierra Leonean Leone Exchange Rate

The NGN/SLL exchange rate tells you how many Sierra Leonean Leone (SLL) you receive for every Nigerian Naira (NGN). At the current mid-market rate of 1 NGN = 17.6615 SLL, this pair reflects live supply and demand conditions on the global foreign exchange market. The rate updates every 15 minutes on this page, giving you the most current data available.

Historical NGN/SLL Trends

The NGN/SLL exchange rate has fluctuated over time in response to economic cycles, policy changes, and global events. Reviewing historical charts helps identify whether the current rate is relatively favorable or unfavorable compared to recent averages. The 30-day, 90-day, and 1-year chart views on this page provide visual context for understanding where today's rate sits within the broader trend.

Sending Money from NGN to SLL

International money transfers from Nigerian Naira to Sierra Leonean Leone can be made through banks, online transfer services, or specialist forex brokers. Transfer times range from instant to several business days depending on the corridor and provider. Online services like Wise, Revolut, and OFX typically offer better rates and lower fees than traditional bank wire transfers, though availability varies by country and currency pair.

Using the NGN/SLL Calculator

The free calculator at the top of this page converts any amount between Nigerian Naira and Sierra Leonean Leone instantly using live market data. Simply enter an amount in either currency to see the converted value in the other. The tool also shows a conversion table for common amounts, a historical rate chart, and the inverse SLL/NGN rate. Bookmark this page to check the rate whenever you need a quick reference for planning transfers or purchases.

Sierra Leonean Leone Overview

The Sierra Leonean Leone (SLL) is the official currency of Sierra Leone. Diamond and mineral mining, along with agriculture, drive the economy. The SLL exchange rate against NGN reflects relative economic conditions between the two currency areas.

Mid-Market Rate Explained

The mid-market rate of 1 NGN = 17.6615 SLL shown on this page is the fairest available exchange rate. It sits exactly between the buy and sell prices quoted by major financial institutions. No single provider can offer exactly the mid-market rate since their business model requires a small spread, but the best providers come within 0.5-1% of this benchmark. Use our rate as your comparison baseline.