Utility Loft
Simple, free tools that just work. No sign-ups, no clutter — just the little utilities you needed, done well.
Tools
💍Ring Size ConverterConvert any ring size between US, UK, EU, Japan & mm — from a diameter, finger circumference, or a size you already know.👟Shoe Size ConverterConvert men's & women's shoe sizes across US, UK, EU and centimeters — from your foot length or a size you know.📏Bra Size ConverterCalculate your bra size or convert between US, UK, EU, French & Australian sizing — with instant sister sizes.🎓GPA ConverterConvert a percentage or letter grade to a GPA on the 4.0 scale — and back — plus 10-point CGPA conversion.👕Clothing Size ConverterConvert men's & women's clothing sizes between US, UK, EU, Italy and S/M/L — for tops, dresses and more.🧢Hat Size ConverterConvert your head circumference to US, UK, EU and S/M/L hat sizes — including fitted-cap sizing.🧤Glove Size ConverterMeasure your hand and get your numeric glove size plus women's & men's S/M/L.👖Belt Size ConverterTurn your pant/waist size into the belt size to buy (waist + 2 inches), with EU cm and S/M/L.💎Diamond Size ConverterConvert diamond carat weight to millimeter size for round stones, and see face-up size by shape.🔩Socket & Wrench ConverterConvert metric (mm) to SAE (inch) socket & wrench sizes and back, with the closest match and fit.
🔧More tools comingScrew & drill bit sizes · Temperature (gas mark) · and more. New utilities are added regularly.
Why Utility Loft
Most online tools bury a simple answer under pop-ups, logins, and clutter. Utility Loft is the opposite: each tool loads instantly, works right in your browser, costs nothing, and does exactly one job well. Nothing to install, nothing to sign up for.