并联电阻计算器

LED灯电阻计算器

计算LED电路所需的正确电阻值。输入供电电压、LED正向电压和电流，获得精确结果。

Pulley Ratio Calculator

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.

串联电阻计算器

使用这个易用的串联电阻计算器计算串联电阻的总阻值。输入单个电阻的欧姆值（Ω），立即获得准确结果。

角速度计算器

通过角度和时间输入轻松计算角速度。将度每秒转换为弧度，以获得精确的旋转速度测量。适用于物理和工程应用。

Bolt Circle Calculator

Bolt Circle Calculator - Calculate the diameter and spacing of bolt circles easily. Enter the number of bolts and the distance between them to get precise measurements for your projects.