How to choose (3 steps)
- Most conversions: start with the unit converter.
- For °C/°F/K, use the temperature converter.
- For money, use the currency converter (manual rates supported).
- For binary/hex/decimal, use the base converter.
Recommended (top 3)
If you are unsure where to start, these cover most conversion needs.
Calculators
- Base Converter & Bitwise Toolkit (Bin/Oct/Dec/Hex) | CalcBE
Convert between binary, octal, decimal, and hexadecimal, and run AND/OR/XOR/NOT and bit shifts—then copy a shareable result link.
- Deck & Terrace Paint Area Calculator | Gallons & Liters | CalcBE
Estimate deck and terrace paintable area plus primer/topcoat gallons or liters from one rectangle, multiple zones, or a known area. Switch ft/m, include gaps and edges, add railing, set coats, waste, and coverage over…
- Exterior Paint Area & Quantity Calculator | CalcBE
Estimate exterior wall area and paint gallons or liters from building dimensions, wall segments, or a known area. Adjust doors, windows, coats, waste, primer, and coverage presets.
- Fence Paint Area & Quantity Calculator | Gallons & Liters | CalcBE
Estimate fence paintable area and paint volume from run and height, panel mix, or a known area. Choose one-side/both-side, account for gates, coats, waste, primer, coverage overrides, and share the URL.
- Live FX currency converter – ECB reference rates and open API | CalcBE
Convert currencies with live FX rates from ECB or Open ER API, view recent history, and share results. Offline cache and favorites supported.
- Length Converter (m, km, cm, mm, inch, foot, yard, mile) | CalcBE
Convert lengths across metric and imperial units at once with SI‑based factors, keyboard input, and a shareable result link.
- Roof Paint Area & Quantity Calculator | CalcBE
Estimate roof paintable area and paint gallons or liters from building size, roof slope, or a known area. Adjust overhangs, skylights, coats, waste, primer, and coverage presets.
- Speed–Distance–Time Calculator with Pace & ETA | CalcBE
Calculate speed, distance, or time from the other two. Includes unit conversions, pace output for running, and optional ETA from a start time.