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Test case: logger.debug(formatRSUnit(559546000000l)); // 559.54B logger.debug(formatRSUnit(19546000000l)); // 19.54B logger.debug(formatRSUnit(1954600000l)); // 1.95B logger.debug(formatRSUnit(155400000l)); // 155.4M logger.debug(formatRSUnit(70000000l)); // 70.0M logger.debug(formatRSUnit(5400000l)); // 5.40M logger.debug(formatRSUnit(450000l)); // 450.0K logger.debug(formatRSUnit(12000l)); // 12.0K logger.debug(formatRSUnit(8000l)); // 8.0K logger.debug(formatRSUnit(600l)); // 600 logger.debug(formatRSUnit(50l)); // 50 logger.debug(formatRSUnit(2l)); // 2 Source code: private static final DecimalFormat UNIT_FORMAT = new DecimalFormat(".0#"); /** * @author Explv (https://osbot.org/forum/profile/192661-explv/) * @author LiveRare (https://osbot.org/forum/profile/23977-liverare/) * * @param value * - An amount * @return Formatted RS unit */ public static String formatRSUnit(final long value) { String suffix; double convertedValue; if (value >= 1_000_000_000) { convertedValue = ((double) value / 1_000_000_000); suffix = "B"; } else if (value >= 1_000_000) { convertedValue = ((double) value / 1_000_000); suffix = "M"; } else if (value >= 1000) { convertedValue = ((double) value / 1000); suffix = "K"; } else { return String.valueOf(value); } convertedValue = Math.floor(convertedValue * 100) / 100; return UNIT_FORMAT.format(convertedValue) + suffix; } I think I've over-complicated something here. If I have, please tell me how.