diff --git a/modules/core/localizer.js b/modules/core/localizer.js
index 9e7d9850c..59067f699 100644
--- a/modules/core/localizer.js
+++ b/modules/core/localizer.js
@@ -448,7 +448,7 @@ export function coreLocalizer() {
      */
     localizer.floatParser = (locale) => {
         // https://stackoverflow.com/a/55366435/4585461
-        const polyfill = (string) => parseFloat(string.trim());
+        const polyfill = (string) => +string.trim();
         if (!('Intl' in window && 'NumberFormat' in Intl)) return polyfill;
         const format = new Intl.NumberFormat(locale, { maximumFractionDigits: 20 });
         if (!('formatToParts' in format)) return polyfill;
@@ -481,7 +481,7 @@ export function coreLocalizer() {
         var literal, group, decimal;
         if ('Intl' in window && 'NumberFormat' in Intl) {
             const format = new Intl.NumberFormat(locale, { maximumFractionDigits: 20 });
-            if (('formatToParts' in format)) {
+            if ('formatToParts' in format) {
                 const parts = format.formatToParts(-12345.6);
                 const literalPart = parts.find(d => d.type === 'literal');
                 literal = literalPart && new RegExp(`[${literalPart.value}]`, 'g');
diff --git a/modules/ui/fields/input.js b/modules/ui/fields/input.js
index 7bbfd5380..cc8c84f96 100644
--- a/modules/ui/fields/input.js
+++ b/modules/ui/fields/input.js
@@ -401,7 +401,8 @@ export function uiFieldText(field, context) {
                 var vals = val.split(';');
                 vals = vals.map(function(v) {
                     var num = parseLocaleFloat(v);
-                    return isFinite(num) ? clamped(num) : v;
+                    const fractionDigits = countDecimalPlaces(v);
+                    return isFinite(num) ? clamped(num).toFixed(fractionDigits) : v;
                 });
                 val = vals.join(';');
             }
@@ -429,9 +430,10 @@ export function uiFieldText(field, context) {
             var vals = val.split(';');
             vals = vals.map(function(v) {
                 v = v.trim();
-                var num = parseFloat(v);
+                var num = Number(v);
                 if (!isFinite(num)) return v;
-                return formatFloat(clamped(num));
+                const fractionDigits = v.includes('.') ? v.split('.')[1].length : 0;
+                return formatFloat(clamped(num), fractionDigits);
             });
             val = vals.join(';');
         }