PrismKit單位能量轉換器能量轉換器在瀏覽器中執行本機複製連結Markdown在焦耳、卡路里、瓦時、BTU、電子伏特與英尺磅之間轉換。壓力轉換器Convert pascals, bar, atmospheres, psi, torr and inches of mercury in one view.功率轉換器Compare watts, kilowatts, mechanical and metric horsepower, and BTU per hour.