Engineering
Tools
Calculators, unit converters, and technical tools for engineers
Length Converter
Convert between length units
Weight Converter
Convert between weight units
Temperature Converter
Convert Celsius, Fahrenheit, Kelvin
Area Converter
Convert between area units
Volume Converter
Convert between volume units
Speed Converter
Convert between speed units
Data Storage Converter
Convert bytes, KB, MB, GB, TB
Time Converter
Convert between time units
Ohm's Law Calculator
Calculate V, I, R, and P
Resistor Color Code
Decode resistor color bands
Power Consumption Calculator
Calculate electricity costs
LED Resistor Calculator
Calculate LED current limiting resistor
Voltage Divider Calculator
Calculate voltage divider values
Wire Gauge Calculator
Find the right wire size
Concrete Calculator
Calculate concrete for your project
Paint Calculator
Calculate paint needed for a room
Flooring Calculator
Calculate tiles or flooring needed
Roof Pitch Calculator
Calculate roof pitch and angle
Brick Calculator
Calculate bricks for a wall
Gear Ratio Calculator
Calculate gear ratios and RPM
Torque Converter
Convert torque units
Pressure Converter
Convert pressure units
Force Calculator
Calculate force using F = m × a
Pulley Calculator
Calculate pulley ratios and RPM
Pythagorean Calculator
Calculate triangle sides with a² + b² = c²
Circle Calculator
Calculate circle properties
Triangle Calculator
Calculate triangle properties
Fraction Calculator
Add, subtract, multiply, divide fractions
Number Base Converter
Convert binary, octal, decimal, hex
Scientific Calculator
Advanced calculator with scientific functions