廣告
Calculate pulley ratios and speeds easily with our online pulley ratio calculator. Input driving and driven pulley diameters and speeds to determine pulley ratios and output speeds for your mechanical systems.
Pythagorean Theorem Calculator
使用這個電阻色碼計算器快速計算電阻值。輸入第一色環、第二色環、倍率和誤差率，獲得準確結果。立即簡化您的電子專案！
Speed Calculator - Calculate your speed by entering distance (km) and time (hours, minutes). Instantly get your speed in km/h.
使用速度和距離時間計算器計算行程時間。輸入距離和速度，立即確定旅程時間，實現高效的旅行規劃。
