EV Hubby
Tools

EV Calculators

The everyday questions, answered with real local numbers — current CEB electricity tariffs, Ceypetco fuel prices, and the terrain/heat-aware range model behind our route planner.

Calculator 1

Charging-time estimator

How long to add charge at a given power, accounting for the curve slowing past ~80%.

17 min54.0 kWh added · effective 192 kW
Calculator 2

Running cost — EV vs petrol/diesel

Cost per km on real CEB electricity and Ceypetco fuel prices.

4.0
EV LKR/km
34.7
Petrol LKR/km
26.5
Diesel LKR/km
89%
cheaper than petrol
Calculator 3

Home charging cost

What a home charge costs on CEB tariffs — cheapest overnight off-peak (22:30–05:30).

LKR 1,51272.0 kWh · 21 LKR/kWh
Calculator 4

Real-range calculator

Effective range with Sri Lanka's terrain and heat — same model as the route planner, not the brochure figure.

Calculator 5

Total cost of ownership — EV vs petrol

Full 5-year cost: purchase + energy/fuel + maintenance, on real local rates.

EV — AVATR 11

PurchaseLKR 44,600,000
Energy/fuelLKR 297,675
MaintenanceLKR 125,000
TotalLKR 45,022,675

Comparable petrol car

PurchaseLKR 12,000,000
Energy/fuelLKR 2,604,000
MaintenanceLKR 375,000
TotalLKR 14,979,000
−LKR 30,043,675more expensive over 5 years
Break-even at ~956,451 km (63.8 yrs) — after that the EV is ahead.

Energy/fuel from real CEB + Ceypetco rates. Maintenance figures are editable estimates (EVs need no oil changes; regen spares brakes). Excludes financing/resale.

Calculator 6

Solar + EV calculator

How much of your EV charging a rooftop solar array could cover — a high-value combination in Sri Lanka's sun.

22.5
solar kWh/day
7.6
EV needs kWh/day
100%
of EV charging covered
LKR 57,947
grid cost avoided/yr

Assumes daytime charging or net-metering. SL averages ~4.5–5 peak sun hours/day.

Calculator 7

Can I charge at home?

Check what charger your supply supports and how long a full charge takes — before you buy.

7.4 kW
supply supports
7.4 kW
usable (car limit 11 kW)
12.2 h
full charge (90 kWh)

✓ A standard wall box works well overnight. Have an electrician confirm your circuit. See our apartment-charging guide if you don't own the parking.

Rates: electricity CEB/PUCSL (eff 2025-06-12), fuel Ceypetco (eff 2026-05-30), public charging VoltCharge. Estimates — adjust the inputs for your situation.