Convert units including currencies, length, weight, and temperature. Convert time zones and calculate percentages. Includes a running pace calculator and other utility tools for precise measurements and calculations.
Identify rocks, crystals, and minerals from photos
Identify rocks, crystals, minerals, and gemstones by uploading or taking a photo. Learn about their properties, origins, and uses. Access a comprehensive database with detailed information on each .
Speeds for download, upload, and ping on WiFi and cellular networks. Perform one-tap tests in under 20 seconds. Save and track past results. Add comments to tests privately. Access a global network of high- servers for accurate measurements.
Download and upload speeds for WiFi and mobile networks. Measure ping and jitter for latency. View real-time connection graphs. Track past results with detailed charts and averages. Troubleshoot or verify ISP-provided claims.
Access data for over 200 cartridges and 300 bullets. Purchase individual cartridge data, buy the full handbook, or subscribe for unlimited access. View safety-tested information and historical data. Export data for use in processes.
Access steel specifications including wall thickness and mass measurements in inches, millimeters, pounds, and kilograms. Convert units between feet, meters, pounds, and metric tonnes. Compare costs and view charts from ASME B36.
Calculate chemical dosages for pools or hot tubs based on water volume and test results. Input pH, alkalinity, and sanitizer levels to determine treatment amounts. Export results and share with service professionals.
Calculate turning operations with spindle speed, feed rate, and tool engagement angle inputs. Determine cutting time and material removal rates. Convert imperial to metric units. Store and recall frequently used settings.
Allows users to perform calculations for and engineering parameters. It includes formulas and definitions for each calculation. Users can compute force, friction, centripetal force, work, power, displacement, and more.