Explore a comprehensive suite of calculators and tools tailored for a variety of applications, including electronics, unit conversions, programming, power calculations, and more. Whether you're decoding resistor values, estimating 3D print times, converting units, or generating QR codes, these utilities are designed to simplify complex tasks and enhance your workflow. Perfect for engineers, makers, programmers, and anyone seeking reliable, user-friendly tools.
Electronics Calculators
Resistor & Resistance
- Resistor Color Code Calculator – Decode resistor values with ease using this intuitive calculator.
- Ohms Law Calculator – Calculate voltage, current, or resistance using Ohm's Law.
- Series Resistance Calculator – Add resistors in series to find total resistance.
- Parallel Resistance Calculator – Calculate total resistance for parallel resistors.
- Voltage Divider Calculator – Calculate the output voltage of a voltage divider.
- SMD Resistor Code Calculator – Decode 3-digit, 4-digit EIA, and EIA-96 resistor codes.
- Resistor Decoder Wheel – Easily determine resistor values using color bands.
Capacitor & Capacitance
- Series Capacitance Calculator – Calculate total capacitance for series capacitors.
- Parallel Capacitance Calculator – Add capacitors in parallel to find total capacitance.
- RC Circuit Calculator – Calculate time constants and cutoff frequencies for RC circuits.
Timers & Signal
- 555 Timer Calculator – Calculate frequency, period, and duty cycle for a 555 timer circuit.
- Servo Angle to PWM Calculator – Convert a servo angle to its PWM signal in microseconds and duty cycle percentage.
- Wheel Speed Calculator – Determine wheel rotation speed for motors based on RPM and wheel diameter.
- Morse Code Encoder / Decoder – Decode Morse code into plain text and encode plain text into Morse code.
Power & Energy
- Watts Calculator – Calculate power, voltage, or current with ease.
- Battery Life Calculator – Calculate how long your battery will last based on capacity and consumption.
- dBm to Watt Calculator – Convert dBm values to corresponding power in Watts.
- Watt to dBm Calculator – Convert power in Watts to dBm.
Unit & Data Conversion
Numeric Base Conversions
- Binary to Decimal Calculator – Convert binary numbers to decimal.
- Hex to Decimal Calculator – Convert hexadecimal numbers to decimal.
- Octal to Decimal Calculator – Convert octal numbers to decimal.
- Decimal to Binary Calculator – Convert decimal numbers to binary.
- Decimal to Hex Calculator – Convert decimal numbers to hexadecimal.
- Decimal to Octal Calculator – Convert decimal numbers to octal.
Physical Units
- Centimeters to Inches Calculator – Convert centimeters to inches.
- Inches to Centimeters Calculator – Convert inches to centimeters.
- Fahrenheit to Celsius Calculator – Convert temperatures from Fahrenheit to Celsius.
- Celsius to Fahrenheit Calculator – Convert temperatures from Celsius to Fahrenheit.
- Frequency Converter – Convert between Hz, kHz, MHz, GHz, and THz.
- Wavelength to Frequency Calculator – Convert wavelength to frequency, auto-formatted.
- PSI to BAR Converter – Convert PSI to BAR.
- BAR to PSI Converter – Convert BAR to PSI.
- AWG Converter – Convert between AWG sizes, diameter, and area.
Time & Dates
- Date Calculator – Add or subtract days, weeks, months, and years from a date.
- Timestamp to Date/Time Converter – Convert timestamps to readable date/time with timezone selection and live updates.
- Date/Time to Timestamp – Convert readable date/time to timestamps with timezone selection and live updates.
Storage
- Storage Capacity Converter – Convert between bytes, KB, MB, GB, TB, and PB.
Programming & Reference
- ASCII Table – View the full ASCII character set.
- Baud Rates – Reference common baud rates for communication.
- Regex Validator – Validate regular expressions with this tool.
- HEX to RGB Calculator – Convert HEX color codes to RGB values.
- RGB to HEX Calculator – Convert RGB values into HEX color codes.
- Programmer’s Calculator – Perform arithmetic and binary logic operations with ease.
- UUID Generator – Generate unique identifiers for software applications.
- Random Password Generator – Generate a random password with customizable options.
- CIDR / Subnet Calculator – Calculate CIDR and subnet mask details.
- CRC Generator – Generate CRC-8, CRC-16, or CRC-32 checksums.
- Hash Generator – Generate cryptographic hashes (MD5, SHA-1, SHA-256, SHA-512).
Image & File Tools
- QR Code Generator – Generate and download QR codes easily.
- Barcode Generator – Generate various types of barcodes and download as PNG files.
- PDF to JPG Converter – Convert single-page PDFs into JPG images effortlessly.
- Image Converter – Convert images to different formats like PNG, JPEG, and WEBP.
- Image Resizer – Resize images to custom dimensions and download in your desired format.
- EXIF Extractor – Extract and view metadata from image files directly in your browser.
- EXIF Stripper – Remove EXIF metadata from image files while preserving their quality.
- STL Viewer – Upload and preview STL files directly in your browser.
3D Printing & Costing
- 3D Print Cost Calculator – Calculate the cost of 3D printing, including material, electricity, and labor.
- Print Time Estimator – Estimate how long a 3D print will take based on layer height, speed, volume, and infill percentage.
Scheduling & Automation Helpers
- Crontab Calculator – Generate and understand cron expressions for scheduling tasks.
