Converters

Free Acreage Calculator — instantly compute land area in acres, square feet, hectares, square meters, and more. Supports rectangle, triangle, circle, trapezoid, ellipse, parallelogram, and irregular polygon shapes. Includes fencing cost estimator, lot subdivision tool, and reference comparisons.

Free online Angle Converter — instantly convert degrees, radians, gradians, minutes of arc, seconds of arc, revolutions, quadrants, sextants, mils, and more. Includes DMS input, visual angle diagram, and all-units table.

Free online Area Converter — instantly convert between square meters, square feet, acres, hectares, square kilometers, square miles, and 9 other area units with a real-time all-units table and real-world size comparisons.

Free Currency Converter Calculator — instantly convert between 60+ world currencies using mid-market reference rates. Enter an amount, select your currencies, and optionally add your bank's fee percentage to see what you will actually receive.

Free Grams to Milligrams (g to mg) converter — instantly convert between grams and milligrams with bidirectional conversion, multi-unit output, quick presets for common medical doses, and a visual reference chart.

Free online Image to Base64 Converter — drag and drop or paste images to instantly encode them as Base64 strings, Data URIs, HTML img tags, CSS backgrounds, JavaScript code, and JSON. 100% client-side, no server upload.

Free Kilograms to Tons converter — instantly convert kg to metric tons (tonnes), US short tons, or UK long tons with formula display, all-unit equivalents, and reference table.

Free kilometers per hour to miles per hour converter. Instantly convert km/h to mph and mph to km/h with a reference table, bulk conversion, and speed context labels.

Free Liters to US Gallons Converter — instantly convert liters to US liquid gallons, US dry gallons, and Imperial (UK) gallons. Includes bidirectional conversion, formula display, real-world references, batch conversion mode, and a printable reference table.

Free Milligrams to Grams Converter — instantly convert between mg and grams with bidirectional conversion, pharmaceutical presets, and a complete multi-unit reference including micrograms, kilograms, ounces, pounds, and grains.

Free Milliliters to Fluid Ounces (mL to oz) converter. Instantly convert mL to US or UK fluid ounces, oz to mL, with ingredient-based weight conversion, kitchen context labels, and a full reference table.

Free milliliters to tablespoons converter supporting US, Metric, UK, and Australian tablespoon standards. Convert ml to tbsp instantly with bidirectional conversion, fraction display, batch mode, and a full cooking reference table.

Free milliliters to teaspoons converter supporting US Customary (4.929 mL), Metric (5 mL), and Imperial/UK (5.919 mL) standards. Bidirectional conversion with fraction display, preset values, reference table, and CSV export.

Free Miles Per Hour (MPH) to Kilometers Per Hour (KMH) converter with bidirectional conversion, multi-unit output, speed context labels, and a visual speed comparison chart.

Free Tons to Kilograms (kg) converter supporting metric tons (tonne), short tons (US), and long tons (UK/Imperial). Bidirectional conversion with multi-unit output, visual comparison chart, and reference table.

Free US Gallons to Liters Converter — instantly convert US liquid gallons, Imperial gallons, and US dry gallons to liters (and back). Includes formula display, real-world reference examples, batch conversion, and a printable comparison table.