{"id":"mass-converter","engine":"core","category":"converter","name":"Mass converter","fields":[{"key":"value","label":"Value","type":"number","default":1,"required":true},{"key":"from","label":"From","type":"select","default":"kg","options":[{"value":"kg","label":"kilograms (kg)"},{"value":"g","label":"grams (g)"},{"value":"mg","label":"milligrams (mg)"},{"value":"t","label":"metric tonnes (t)"},{"value":"lb","label":"pounds (lb)"},{"value":"oz","label":"avoirdupois ounces (oz)"},{"value":"st","label":"stones"},{"value":"ton","label":"US short tons"},{"value":"troy","label":"troy ounces"},{"value":"carat","label":"metric carats"}]},{"key":"to","label":"To","type":"select","default":"lb","options":[{"value":"kg","label":"kilograms (kg)"},{"value":"g","label":"grams (g)"},{"value":"mg","label":"milligrams (mg)"},{"value":"t","label":"metric tonnes (t)"},{"value":"lb","label":"pounds (lb)"},{"value":"oz","label":"avoirdupois ounces (oz)"},{"value":"st","label":"stones"},{"value":"ton","label":"US short tons"},{"value":"troy","label":"troy ounces"},{"value":"carat","label":"metric carats"}]}],"sample":{"value":1,"from":"kg","to":"lb"}}