Operational Tools Free Utility & Submetering Calculator

Calculate Tiered Water Tariffs & Submeter Bills

Instant stepped block consumption calculation, standing charges, sewerage levies, and tenant submeter bill splitting. Free for landlords, estate managers, and water providers.

Stepped Block Tariff Rates (per m³) KES
Tier 1 (0 – 6 m³) Lifeline rate
Tier 2 (7 – 20 m³) Standard
Tier 3 (21 – 50 m³) Moderate
Tier 4 (> 50 m³) Commercial / High

Calculation Summary

Total Consumption 22.0 m³
Subtotal Consumption KES 1,510.00
Standing Meter Fee KES 50.00
Sewerage Levy KES 755.00
Total Due KES 2,315.00
Test in Live Demo ↗
Automate This in TallyDue for Free Eliminate monthly meter calculation spreadsheets. TallyDue takes offline meter photos, applies your custom block tariffs automatically, and sends digital invoices and M-Pesa payment requests to tenants. Free for up to 5 meters.

How Tiered Water Billing & Submetering Works

What is a Stepped (Block) Tariff?

Water utilities and private schemes across East Africa structure consumption into volume tiers. The first bracket (typically 0–6 m³) represents the "lifeline" volume for essential human needs and carries the lowest rate. As consumption rises into higher brackets, unit rates increase to discourage water wastage.

How to Avoid Submetering Disputes

In residential estates with a master bulk meter, disputes arise when individual submeter sums do not equal the master bill due to pipe leaks or unmetered common areas. Allocating proportional bills based on individual submeter percentages guarantees fair cost recovery.

What TallyDue Automates

  • ✓ Offline Meter Walk: Field staff capture dials and photos even with zero cell service.
  • ✓ Automated Tier Calculations: Pre-set your tiered tariffs once; bills generate instantly.
  • ✓ Instant Mobile Money Reconciliation: Tenants pay via M-Pesa or Airtel Money; accounts update in real-time.
  • ✓ Dispute Proof: Photo evidence of dials attached to every digital bill.