Utilities
Energy Converter
Convert between J, kJ, Wh, kWh, cal, kcal, and BTU instantly. Everything runs locally.
Base unit
1 cal = 4.184 J
food “Calories”
1 BTU = 1055.05585262 J
Uses thermochemical cal (4.184 J) and BTU (IT) standard; runs fully client-side.
Part of
Everyday Utilities
A practical fallback suite for utility pages that are helpful but not part of a more specialized intent cluster.
More in this suite
Number Base Converter
Convert binary ↔ octal ↔ decimal ↔ hexadecimal.
Cooking Converter
Convert cups/tbsp/tsp ↔ g/mL with ingredient-aware presets.
Shoe Size Converter
Convert US ↔ UK ↔ EU ↔ CM for men/women/kids.
Ideal Body Weight
Estimate ideal body weight using Devine/Robinson/Miller formulas.
Dimensional Weight (Shipping)
Compute volumetric weight for carriers (air/ground) and compare to actual.
KM ↔ Miles Converter
Convert kilometers to miles and vice versa with instant results.