Unit converters built for your trade
Generic converters don't know that a board foot is volume, that a "cup" has four definitions, or that RPM depends on tool diameter. These do. Pick your profession:
- Woodworking Convert lumber volume, board footage, and shop measurements between imperial and metric. 5 converters
- Cooking & Baking Convert recipe volumes, weights, and oven temperatures between US, metric, and imperial. 7 converters
- 3D Printing Convert layer heights, print speeds, and filament weight-to-length for FDM printing. 4 converters
- Film & Video Convert frame counts, film footage, and data rates for editing and cinematography. 4 converters
- Machining & CNC Convert cutting speeds, feeds, thread pitch, and precision measurements for the machine shop. 4 converters
Calculators & planning tools
Not a unit conversion, but the same idea: an instant answer up top, a widget to change the inputs, and a reference table. No sign-up, nothing stored.
- Download Time & Bandwidth How long any file takes at any speed, plus MB/GB/TB, Mbps to MB/s, and GiB vs GB converters.
- Age Calculators How old is someone born in any year, plus exact chronological age in years, months, and days.
- Date Calculators Days between dates, what date it is N days from today, and day-of-week lookup for any date.
- Time Zone Meeting Planner Best time to call between 40 world cities, with business-hour overlap grids and live local times.
- Public Holidays Official public holiday lists for 29 countries, this year and next.
- Currency Rates ECB reference exchange rates for 15 major currencies with conversion tables.
- Reference Charts Printable shop reference charts: tap drills, drill sizes, sheet metal gauge, AWG wire, sandpaper grit, paper weight, and camera sensors.