UD5 Toolkit
Insulation R-Value Calculator - Online Building Thermal Envelope Tool
Compare insulation materials and thicknesses to achieve a target R-value. Understand U-factor. Educational home improvement tool. Local.
Pressure Converter - Online Bar PSI Pascal Atmosphere Tool
Pressure Converter
Instant conversion between bar, psi, pascal, atmosphere, and many more.
Real‑time update · Click to copy value
Frequently Asked Questions
1 PSI = 0.0689476 bar. Multiply your PSI value by 0.0689476 to get bar. Our converter does it instantly – just enter the PSI value and select PSI as the input unit.
Standard atmospheric pressure (1 atm) is exactly 101,325 Pa (pascals), or 1.01325 bar.
Different industries and regions use different units. PSI is common in tire pressure (USA), bar in Europe, Pascal is the SI unit, mmHg is used in medicine, and atm in chemistry.
Yes, it accepts negative values for vacuum or gauge pressure readings. The conversion works identically for both positive and negative numbers.
We use high‑precision conversion factors (up to 9 significant digits). Values are displayed with up to 6 decimal places, which is more than sufficient for most engineering and everyday uses.
Number Line Generator - Online Printable Math Visual Aid
Create custom number lines (0-20, negative, fractions, decimals) for math education. Adjustable ticks and labels. Instant download.
Python range() to List - Online See Generated Numbers
Write a Python range expression and instantly see the list of numbers it produces. Quick playground for beginners.
Error.cause Property Demo - Online Chained Errors
Create errors with the cause option and see chained error objects. Learn error wrapping for better debugging.
PNG to ICO Converter - Online Favicon Maker
Convert any PNG image into a proper .ico favicon file with multiple sizes embedded. For website icons. Local.
Color to CIELAB Converter - Online Perceptual Space
Convert hex or RGB to CIELAB L*a*b* values. Understand perceptual lightness and color opponents. Local math.
Text to ISO Date Converter - Online Parse Any Date String
Paste a human‑readable date (like 'next Friday' or 'March 5, 2023') and convert it to ISO 8601 format. Quick and tolerant.
Batch Text Case Converter - Online File/List Processor
Paste a list of words or lines and convert all to UPPERCASE or lowercase at once. Also supports title case.
HTML Table to Markdown Converter - Online Quick Transform
Paste an HTML `<table>` snippet and instantly get a clean Markdown table. Supports colspan and alignment hints. Local.
Hijri to Gregorian Date Converter - Online Islamic Calendar
Convert between Gregorian and Hijri (Islamic) dates. Approximate visual reference. Local algorithm.
Julian Date Converter - Online Calendar to JD
Convert a Gregorian calendar date to its Julian Day Number and vice versa. Used in astronomy and mainframe computing.
Date to Unix Epoch Converter - Online Human to Timestamp
Convert any human‑readable date to a Unix timestamp in seconds or milliseconds. Also shows ISO 8601. Clean interface.
Gray Code Converter - Online Binary to Reflected Code
Translate between binary and Gray code (reflected binary code). See the bit changes. Useful for digital logic.
Two's Complement Converter - Online Binary Negative Encoder
Convert decimal negative and positive numbers to 8/16/32-bit two's complement binary. Essential for low-level programming.
Signed Magnitude Converter - Online Negative Binary Numbers
Encode decimal integers into signed magnitude binary representation and decode back. Learn computer arithmetic.
Decimal to IEEE 754 Converter - Online Float Representation
Convert a decimal number to 32-bit single precision IEEE 754 format. See sign, exponent, mantissa bits. Developer tool.
Roman Numeral Date Converter - Online MMXXVI Style
Convert any date into Roman numerals (day‑month‑year) for tattoos or special occasions. Clean and local.
Minutes to Decimal Hours - Online Time Conversion Tool
Convert minutes to decimal hours and vice versa. Essential for billing and payroll. Instant conversion with a handy chart.
Favicon Converter - Online Image to .ico & Multi-size
Upload a logo and generate a pack of favicon sizes plus a .ico file. All conversion in your browser.
Radiation Converter - Online Gray Rad Rem & Sievert
Convert between units of absorbed dose and equivalent dose (Gray, Rad, Rem, Sievert). Educational and reference. Local calculation.
Power Converter - Online Watt Horsepower & Kilowatt Tool
Convert power units: watt, kilowatt, horsepower, BTU/h. Quick reference for electrical and mechanical engineering. Browser-based.
Torque Converter - Online Newton-Meter & Foot-Pound Tool
Convert torque units between Newton-meter, foot-pound, inch-pound, and more. Essential for mechanics and engineers. Instant local conversion.
Video to GIF Converter - Online Create Animated Images
Trim a video clip and convert it into an animated GIF. Adjust frame rate and size. Processing stays on your computer for privacy.
Audio Converter - Online Convert WAV MP3 OGG Locally
Convert audio files between popular formats like WAV, MP3, and OGG directly in the browser. No upload, fast encoding using WebAudio and ffmpeg wasm.
HTML to Markdown Converter - Online Clean Content Extractor
Strip HTML tags and convert web content to plain Markdown. Preserve headings, lists, and links. Perfect for content migration. All processing in browser.
JSON to CSV Converter - Online Free Data Translator
Easily convert JSON data arrays into CSV format for Excel or database import. Handles nested structures with flattening options. All conversions happen locally, no data uploaded.
Number Base Converter - Online Binary Octal Decimal Hex
Convert numbers between binary, octal, decimal, and hexadecimal bases. See real-time conversion as you type. Clean and simple programmer utility.
Angle Converter - Online Degree Radian & Grad Tool
Convert angles between degrees, radians, and grads. Quick reference for mathematics and engineering. Simple and ad-free.
Volume Converter - Online Gallon Liter & Cup Unit Tool
Convert volume and capacity units: gallon (US/UK), liter, milliliter, cup, and fluid ounce. Handy for cooking and science. Works entirely offline.
Speed Converter - Online mph km/h & Knots Calculator
Convert speed units such as miles per hour, kilometers per hour, knots, and meters per second. Accurate and quick, works offline in your browser.