Angle Converter - Online Degree Radian & Grad Tool
Convert angles between degrees, radians, and grads. Quick reference for mathematics and engineering. Simple and ad-free.
UD5 Toolkit
Convert angles between degrees, radians, and grads. Quick reference for mathematics and engineering. Simple and ad-free.
Use trigonometric functions in CSS to create circular animations and layouts without JavaScript. See the code.
Enter drum diameter, depth, and material to find the shell's approximate fundamental note. For tuning reference.
Select knife type and see recommended sharpening angle. Visual guide with degree display. Perfect edge every time.
Full-featured scientific calculator with trigonometric, logarithmic, and exponential functions. Clean interface and keyboard support. No installation required.
Adjust recommended tire pressure for extra load or high speed. Simple reference chart.
Select the material you're drilling into and see the recommended point angle and lip clearance. Sharpen bits correctly.
Advanced metronome with eighth, triplet, and sixteenth note subdivisions. Accent controls. Web Audio scheduling.
Experiment with exponential, square root, and hypotenuse functions in CSS. See live computed values. Modern CSS math.
Click through the rock cycle to see how each rock type transforms into another. Animated arrows and descriptions.
Enter release height and speed to compute the optimal launch angle for maximum distance. Simple projectile model.
Estimate due date from last menstrual period or conception date. Uses Naegele's rule and shows week-by-week milestones. Local calculator for informational use.
Enter length, width, and depth to calculate tons of gravel, crushed stone, or sand needed. Accounts for compaction. Perfect for landscaping.
Paste a simple drum tab or select a pattern and hear it played. Learn drum set notation interactively.
Select your OS, IDE, and programming language to generate a complete .gitignore file. No typing required.
Enter the initial amount, halfâlife, and time to find remaining quantity. Nuclear science helper.
Calculate the time needed to deposit a certain mass of metal using current. Chemistry lab tool.
Select a latitude to see a 2D sun path chart for solstices and equinoxes. Passive design tool.
Estimate monthly mortgage payments with amortization schedule. Input loan amount, interest rate, and term. All calculations performed securely on your device.
Paste simple G-code and see a 2D plot. Quick check before sending to machine. Local parser.
Calculate your weekly, monthly, or annual pay based on hourly wage and hours. Include overtime rates. Accurate and private.
Follow an interactive temperature curve for dark, milk, or white chocolate. Set timers for each phase to achieve perfect temper without a machine.
Convert guinea pig age to approximate human years. Cute facts included. For guinea pig lovers. 100% local.
Accurate online stopwatch with lap and split time capabilities. Start, pause, and reset. Ideal for sports and presentations. Runs natively in the browser.
Find the date of Easter Sunday for any given year. Learn about the computus algorithm. Simple and accurate.
List of major annual meteor showers with next peak date and moon phase prediction. Stargazing planner.
Paste a URL and see the og:title, description, image, and twitter card that will be used when shared. No server needed.
Log your daily mood and view trends on a calendar. Encourages mindfulness. Data stored only in your browser's localStorage for complete privacy.
Enter log pile dimensions to calculate cords and face cords. Also estimate heat content in BTUs by wood species. Local reference.
Enter total drive time or playlist length to figure out how many songs you need. Convert time to estimated tracks.