diff --git a/finance/app/templates/base.html b/finance/app/templates/base.html
index edacb9e..431ed95 100644
--- a/finance/app/templates/base.html
+++ b/finance/app/templates/base.html
@@ -50,6 +50,14 @@
             out[k] = null;
           } else if (kind === 'int') {
             out[k] = parseInt(v, 10);
+          } else if (kind === 'amount') {
+            // Deutsche Betragseingabe: "1.234,56" -> "1234.56". Ohne Komma
+            // bleibt der Wert unveraendert (Punkt-Eingaben funktionieren weiter).
+            var s = String(v).replace(/[\s€]/g, '');
+            if (s.indexOf(',') !== -1) {
+              s = s.replace(/\./g, '').replace(',', '.');
+            }
+            out[k] = s;
           } else {
             out[k] = v;
           }
diff --git a/finance/app/templates/index.html b/finance/app/templates/index.html
index c47a71d..7cf6455 100644
--- a/finance/app/templates/index.html
+++ b/finance/app/templates/index.html
@@ -46,7 +46,7 @@
               hx-swap="none" hx-on::after-request="if(event.detail.successful){window.location.reload()}">
           <input type="date" name="anchor_date"
                  value="{{ account.anchor_date.isoformat() if account.anchor_date is not none else '' }}" required>
-          <input type="text" name="anchor_balance" placeholder="500.00"
+          <input type="text" name="anchor_balance" data-type="amount" placeholder="500,00"
                  value="{{ account.anchor_balance|eur if account.anchor_balance is not none else '' }}" required>
           <button type="submit">Anker setzen</button>
         </form>
diff --git a/finance/app/templates/planning.html b/finance/app/templates/planning.html
index e77d5e1..526b803 100644
--- a/finance/app/templates/planning.html
+++ b/finance/app/templates/planning.html
@@ -36,7 +36,7 @@
     <form hx-ext="json-form" hx-post="/api/recurring" hx-swap="none"
           hx-on::after-request="if(event.detail.successful){window.location.reload()}">
       <label>Name <input type="text" name="name" required></label>
-      <label>Betrag <input type="text" name="amount" placeholder="-49.99" required></label>
+      <label>Betrag <input type="text" name="amount" data-type="amount" placeholder="-49,99" required></label>
       <label>Rhythmus
         <select name="rhythm" data-type="str">
           {% for rh in rhythms %}<option value="{{ rh }}">{{ rh|de_label }}</option>{% endfor %}
@@ -120,7 +120,7 @@
     <form hx-ext="json-form" hx-post="/api/planned" hx-swap="none"
           hx-on::after-request="if(event.detail.successful){window.location.reload()}">
       <label>Name <input type="text" name="name" required></label>
-      <label>Betrag <input type="text" name="amount" placeholder="-2000.00" required></label>
+      <label>Betrag <input type="text" name="amount" data-type="amount" placeholder="-2000,00" required></label>
       <label>Fällig am <input type="date" name="due" required></label>
       <label>Kategorie
         <select name="category_id" data-type="int">
@@ -175,8 +175,8 @@
     <form hx-ext="json-form" hx-post="/api/loans" hx-swap="none"
           hx-on::after-request="if(event.detail.successful){window.location.reload()}">
       <label>Name <input type="text" name="name" required></label>
-      <label>Darlehenssumme <input type="text" name="principal" placeholder="10000.00" required></label>
-      <label>Zins p.a. (%) <input type="text" name="annual_rate_pct" placeholder="4.5" required></label>
+      <label>Darlehenssumme <input type="text" name="principal" data-type="amount" placeholder="10000,00" required></label>
+      <label>Zins p.a. (%) <input type="text" name="annual_rate_pct" data-type="amount" placeholder="4,5" required></label>
       <label>Laufzeit (Monate) <input type="number" name="term_months" data-type="int" min="1" required></label>
       <label>Auszahlungsdatum <input type="date" name="payout_date" required></label>
       <label>Tilgungsart
@@ -269,7 +269,7 @@
             {% for k in modifier_kinds %}<option value="{{ k }}">{{ k|de_label }}</option>{% endfor %}
           </select>
         </label>
-        <label>Wert <input type="text" name="value" value="0"></label>
+        <label>Wert <input type="text" name="value" data-type="amount" value="0"></label>
         <button type="submit">Modifikator hinzufügen</button>
       </form>
     </details>
diff --git a/finance/tests/test_gui.py b/finance/tests/test_gui.py
index 095643f..101423c 100644
--- a/finance/tests/test_gui.py
+++ b/finance/tests/test_gui.py
@@ -66,6 +66,22 @@ def test_planung_zeigt_deutsche_labels(client, db):
     assert "-600,00" in r.text
 
 
+def test_betragsfelder_haben_amount_typ_und_deutsche_platzhalter(client, db):
+    client.post("/login", data={"username": "admin", "password": "geheim"})
+    planung = client.get("/planung").text
+    # Fixposten-, Einmalposten-, Kredit-Formulare senden deutsche Eingaben:
+    assert planung.count('data-type="amount"') >= 4
+    assert '-49,99' in planung and '-2000,00' in planung
+    assert '-49.99' not in planung and '-2000.00' not in planung
+    # Anker-Formular wird nur je Konto gerendert - ohne Konto in der DB gaebe
+    # es keine Zeile mit dem Anker-Input (Template-Zweig "Keine Konten
+    # angelegt"), daher hier ein Konto anlegen wie in den Nachbartests.
+    db.add(Account(bank="dkb", iban="DE-AMT-1", name="Amount-Test", type="giro"))
+    db.commit()
+    index = client.get("/").text
+    assert 'placeholder="500,00"' in index
+
+
 def test_import_page_has_dropzone_and_list(client):
     client.post("/login", data={"username": "admin", "password": "geheim"})
     r = client.get("/import")