Room Rental
Management System
Phnom Penh, Cambodia
Tel: 012 345 678
Invoice
#0003
Billing: 2026-04
Issued: 10 Apr 2026
Payment pending — please pay by end of month
Bill To
Sim Bora
Move-in: 10 Apr 2026
Property
Room 2
Monthly rent: $30.00
Rate: $1 = 4,100 ៛
Period: 2026-04
🏠
Monthly Rent
DescriptionAmount
Room fee — 2026-04
Room 2
$30.00
💧
Water
Description Calculation Amount
Water consumption
Meter: 122.00 → 888.00 m³  ·  Used: 766.00 m³
766.00 × 500៛ = 383,000៛ $93.41
Electric
Description Calculation Amount
Electric consumption
Meter: 3100.00 → 12222.00 kWh  ·  Used: 9122.00 kWh
9122.00 × 700៛ = 6,385,400៛ $1,557.41

Room
$30.00
Water
$93.41
Electric
$1,557.41
Extra
$0.00
Total amount due
2026-04
$1,680.83
Utilities: 383,000៛ + 6,385,400៛ = 6,768,400៛  ·  Rate: $1 = 4,100៛
Tenant Signature
Landlord Signature
Room Rental Management System — Phnom Penh, Cambodia