diff --git a/database/referrals.py b/database/referrals.py
index 2a41e51e..3867e15c 100644
--- a/database/referrals.py
+++ b/database/referrals.py
@@ -171,7 +171,8 @@ async def get_total_referral_bonus(
     result = await session.execute(
         text(bonus_query), {"tg_id": referrer_tg_id, "max_levels": max_levels}
     )
-    total_bonus = result.scalar() or 0.0
+    total_bonus_raw = result.scalar()
+    total_bonus = round(float(total_bonus_raw or 0), 2)
     logger.debug(f"Получена общая сумма бонусов от рефералов: {total_bonus}")
     return total_bonus
 
diff --git a/database/statistics.py b/database/statistics.py
index 0514b768..d383ff2c 100644
--- a/database/statistics.py
+++ b/database/statistics.py
@@ -55,11 +55,26 @@ async def count_trial_keys(session: AsyncSession) -> int:
     )
 
 
-async def get_tariff_distribution(session: AsyncSession) -> list[tuple[int, int]]:
+async def get_tariff_distribution(
+    session: AsyncSession, include_unbound: bool = False
+) -> tuple[list[tuple[int, int]], list[dict]]:
     result = await session.execute(
-        select(Key.tariff_id, func.count(Key.client_id)).group_by(Key.tariff_id)
+        select(Key.tariff_id, func.count(Key.client_id))
+        .where(Key.tariff_id.isnot(None))
+        .group_by(Key.tariff_id)
     )
-    return result.all()
+    tariff_counts = result.all()
+
+    if not include_unbound:
+        return tariff_counts
+
+    result = await session.execute(
+        select(Key.expiry_time)
+        .where(Key.tariff_id.is_(None))
+    )
+    no_tariff_keys = [{"expiry_time": row[0]} for row in result.all()]
+
+    return tariff_counts, no_tariff_keys
 
 
 async def get_tariff_names(
@@ -79,20 +94,23 @@ async def count_total_referrals(session: AsyncSession) -> int:
 
 
 async def sum_payments_since(session: AsyncSession, since: date) -> float:
-    return await session.scalar(
-        select(func.coalesce(func.sum(Payment.amount), 0)).where(
-            Payment.created_at >= since
-        )
+    result = await session.scalar(
+        select(func.coalesce(func.sum(Payment.amount), 0))
+        .where(Payment.created_at >= since)
     )
+    return round(float(result), 2)
 
 
 async def sum_payments_between(session: AsyncSession, start: date, end: date) -> float:
-    return await session.scalar(
-        select(func.coalesce(func.sum(Payment.amount), 0)).where(
-            Payment.created_at >= start, Payment.created_at < end
-        )
+    result = await session.scalar(
+        select(func.coalesce(func.sum(Payment.amount), 0))
+        .where(Payment.created_at >= start, Payment.created_at < end)
     )
+    return round(float(result), 2)
 
 
 async def sum_total_payments(session: AsyncSession) -> float:
-    return await session.scalar(select(func.coalesce(func.sum(Payment.amount), 0)))
+    result = await session.scalar(
+        select(func.coalesce(func.sum(Payment.amount), 0))
+    )
+    return round(float(result), 2)
diff --git a/handlers/admin/stats/stats_handler.py b/handlers/admin/stats/stats_handler.py
index 4fb5d358..f8e0c46c 100644
--- a/handlers/admin/stats/stats_handler.py
+++ b/handlers/admin/stats/stats_handler.py
@@ -5,6 +5,8 @@ from aiogram import F, Router
 from aiogram.exceptions import TelegramBadRequest
 from aiogram.types import CallbackQuery
 from sqlalchemy.ext.asyncio import AsyncSession
+from collections import Counter
+
 
 from bot import bot
 from config import ADMIN_ID
@@ -67,17 +69,36 @@ async def handle_stats(callback_query: CallbackQuery, session: AsyncSession):
         expired_keys = total_keys - active_keys
         trial_keys_count = await count_trial_keys(session)
 
-        tariff_counts = await get_tariff_distribution(session)
-        tariff_names = await get_tariff_names(
-            session, [tid for tid, _ in tariff_counts]
-        )
+        tariff_counts, no_tariff_keys = await get_tariff_distribution(session, include_unbound=True)
+        tariff_names = await get_tariff_names(session, [tid for tid, _ in tariff_counts])
 
         tariff_stats_text = ""
         for tid, count in tariff_counts:
             name = tariff_names.get(tid, f"ID {tid}")
             tariff_stats_text += f"├ {name}: <b>{count}</b>\n"
+
+        duration_buckets = Counter()
+        now_ts = int(datetime.utcnow().timestamp() * 1000)
+
+        for key in no_tariff_keys:
+            duration_days = round((key["expiry_time"] - now_ts) / (1000 * 60 * 60 * 24))
+            if 25 <= duration_days <= 35:
+                bucket = "Без тарифа: 1 мес"
+            elif 80 <= duration_days <= 100:
+                bucket = "Без тарифа: 3 мес"
+            elif 170 <= duration_days <= 200:
+                bucket = "Без тарифа: 6 мес"
+            elif 350 <= duration_days <= 380:
+                bucket = "Без тарифа: 12 мес"
+            else:
+                bucket = "Без тарифа: прочее"
+            duration_buckets[bucket] += 1
+
+        for name, count in duration_buckets.items():
+            tariff_stats_text += f"├ {name}: <b>{count}</b>\n"
+
         tariff_stats_text = (
-            "└ По тарифам:\n" + tariff_stats_text
+            "└ По тарифам и срокам:\n" + tariff_stats_text
             if tariff_stats_text
             else "└ Нет данных по тарифам\n"
         )
diff --git a/handlers/admin/users/users_handler.py b/handlers/admin/users/users_handler.py
index 0eb6c42f..2b6cb007 100644
--- a/handlers/admin/users/users_handler.py
+++ b/handlers/admin/users/users_handler.py
@@ -82,6 +82,11 @@ class UserEditorState(StatesGroup):
     selecting_country = State()
 
 
+class RenewTariffState(StatesGroup):
+    selecting_group = State()
+    selecting_tariff = State()
+
+
 class BanUserStates(StatesGroup):
     waiting_for_reason = State()
     waiting_for_ban_duration = State()
@@ -554,14 +559,20 @@ async def handle_key_edit(
         )
 
 
-@router.callback_query(
-    AdminUserEditorCallback.filter(F.action == "users_back"), IsAdminFilter()
-)
-async def handle_users_back_to_key_edit(
+@router.callback_query(F.data == "back:renew", IsAdminFilter())
+async def handle_back_to_key_menu(
     callback_query: CallbackQuery,
-    callback_data: AdminUserEditorCallback,
     session: AsyncSession,
+    state: FSMContext,
 ):
+    data = await state.get_data()
+    email = data["email"]
+    tg_id = data["tg_id"]
+    await state.clear()
+
+    callback_data = AdminUserEditorCallback(
+        action="users_key_edit", data=email, tg_id=tg_id
+    )
     await handle_key_edit(
         callback_query=callback_query,
         callback_data=callback_data,
@@ -577,27 +588,21 @@ async def handle_user_choose_tariff_group(
     callback_query: CallbackQuery,
     callback_data: AdminUserEditorCallback,
     session: AsyncSession,
+    state: FSMContext,
 ):
     email = callback_data.data
     tg_id = callback_data.tg_id
 
+    await state.set_state(RenewTariffState.selecting_group)
+    await state.update_data(email=email, tg_id=tg_id)
+
     result = await session.execute(select(Tariff.group_code).distinct())
     groups = [row[0] for row in result.fetchall()]
 
     builder = InlineKeyboardBuilder()
     for group_code in groups:
-        builder.button(
-            text=group_code,
-            callback_data=AdminUserEditorCallback(
-                action="users_renew_group", data=f"{email}|{group_code}", tg_id=tg_id
-            ).pack(),
-        )
-    builder.button(
-        text="🔙 Назад",
-        callback_data=AdminUserEditorCallback(
-            action="users_back", data=email, tg_id=tg_id
-        ).pack(),
-    )
+        builder.button(text=group_code, callback_data=f"group:{group_code}")
+    builder.button(text="🔙 Назад", callback_data="back:renew")
     builder.adjust(1)
 
     await callback_query.message.edit_text(
@@ -606,16 +611,15 @@ async def handle_user_choose_tariff_group(
     )
 
 
-@router.callback_query(
-    AdminUserEditorCallback.filter(F.action == "users_renew_group"), IsAdminFilter()
-)
+@router.callback_query(F.data.startswith("group:"), IsAdminFilter())
 async def handle_user_choose_tariff(
     callback_query: CallbackQuery,
-    callback_data: AdminUserEditorCallback,
     session: AsyncSession,
+    state: FSMContext,
 ):
-    email, group_code = callback_data.data.split("|")
-    tg_id = callback_data.tg_id
+    group_code = callback_query.data.split(":", 1)[1]
+    await state.update_data(group_code=group_code)
+    await state.set_state(RenewTariffState.selecting_tariff)
 
     result = await session.execute(
         select(Tariff)
@@ -631,19 +635,10 @@ async def handle_user_choose_tariff(
     builder = InlineKeyboardBuilder()
     for tariff in tariffs:
         builder.button(
-            text=f"{tariff.duration_days}д / {int(tariff.price_rub)}₽",
-            callback_data=AdminUserEditorCallback(
-                action="users_renew_confirm",
-                data=f"{email}|{tariff.id}",
-                tg_id=tg_id,
-            ).pack(),
+            text=f"{tariff.name} – {int(tariff.price_rub)}₽",
+            callback_data=f"confirm:{tariff.id}"
         )
-    builder.button(
-        text="🔙 Назад",
-        callback_data=AdminUserEditorCallback(
-            action="users_renew", data=email, tg_id=tg_id
-        ).pack(),
-    )
+    builder.button(text="🔙 Назад", callback_data="back:group")
     builder.adjust(1)
 
     await callback_query.message.edit_text(
@@ -652,17 +647,16 @@ async def handle_user_choose_tariff(
     )
 
 
-@router.callback_query(
-    AdminUserEditorCallback.filter(F.action == "users_renew_confirm"), IsAdminFilter()
-)
+@router.callback_query(F.data.startswith("confirm:"), IsAdminFilter())
 async def handle_user_renew_confirm(
     callback_query: CallbackQuery,
-    callback_data: AdminUserEditorCallback,
     session: AsyncSession,
+    state: FSMContext,
 ):
-    email, tariff_id = callback_data.data.split("|")
-    tg_id = callback_data.tg_id
-    tariff_id = int(tariff_id)
+    tariff_id = int(callback_query.data.split(":")[1])
+    data = await state.get_data()
+    email = data["email"]
+    tg_id = data["tg_id"]
 
     stmt = (
         update(Key)
@@ -671,11 +665,42 @@ async def handle_user_renew_confirm(
     )
     await session.execute(stmt)
     await session.commit()
+    await state.clear()
+
+    callback_data = AdminUserEditorCallback(
+        action="users_key_edit", data=email, tg_id=tg_id
+    )
+
+    await handle_key_edit(
+        callback_query=callback_query,
+        callback_data=callback_data,
+        session=session,
+        update=False,
+    )
+
+
+@router.callback_query(F.data == "back:group", IsAdminFilter())
+async def handle_back_to_group(
+    callback_query: CallbackQuery,
+    state: FSMContext,
+    session: AsyncSession,
+):
+    data = await state.get_data()
+
+    result = await session.execute(select(Tariff.group_code).distinct())
+    groups = [row[0] for row in result.fetchall()]
+
+    builder = InlineKeyboardBuilder()
+    for group_code in groups:
+        builder.button(text=group_code, callback_data=f"group:{group_code}")
+    builder.button(text="🔙 Назад", callback_data="back:renew")
+    builder.adjust(1)
 
     await callback_query.message.edit_text(
-        text="✅ Тариф успешно обновлён.",
-        reply_markup=build_key_edit_kb({"tg_id": tg_id}, email),
+        text="📁 <b>Выберите тарифную группу:</b>",
+        reply_markup=builder.as_markup(),
     )
+    await state.set_state(RenewTariffState.selecting_group)
 
 
 @router.callback_query(