Ohm's Law Calculator
Solve V, I, R, P from any two values.
10 个工具
科学与工程工具
科学与工程工具：欧姆定律、电阻色环、化学方程式等。
按名称、用途或关键词搜索。
10 个搜索结果
LED Resistor Calculator
Current-limiting resistor and nearest E24.
Voltage Divider
Vin, R1, R2 → Vout; solve any missing value.
SI Prefix Converter
Value + prefix ↔ base SI (yotta…yocto).
GPA Calculator
GPA from letter grades on a 4.0 scale.
Resistor Color Code
4-band colors ↔ ohms (and reverse).
pH Calculator
pH / pOH / [H+] / [OH-] conversions.
Kinematics Calculator
Solve u,v,a,t,s.
Molar Mass Calculator
Compute molar mass from a chemical formula.
Chemical Equation Balancer
Integer reaction coefficients.