Choose Your Calculator
⚡ EV Calculators
Calculate electric vehicle charging costs, compare EV vs petrol running costs, estimate charging time and range for all popular Indian EVs including Tata Nexon EV, MG ZS EV, Mahindra XUV400.
- EV Charging Cost Calculator
- EV vs Petrol Cost Comparison
- Charging Time Calculator
- Battery Health Calculator
- Range Estimator
☀️ Solar Calculators
Estimate solar panel size for your home, calculate ROI with PM Surya Ghar government subsidy, net metering savings, and payback period for rooftop solar systems across India.
- Solar Panel ROI Calculator
- PM Surya Ghar Subsidy Calculator
- Solar Panel Size Calculator
- Net Metering Calculator
- Payback Period Calculator
🏗️ Construction Calculators
Calculate bricks, cement, steel, and paint needed for your construction project. City-wise material prices for 20+ Indian cities including Mumbai, Delhi, Bangalore.
All Construction Tools →Explore by State
View All 28 States →Why Trust EVSolarCalculator.online?
Data Updated for FY 2026
All our tariffs, material prices, and subsidy figures are continuously verified against the latest 2026 policy documents from MNRE and state electricity boards.
Engineering-Based Math
We don't use arbitrary estimates. Our calculators rely on strict physics and engineering formulas—from battery kWh degradation to solar irradiance factors per Indian state.
100% Free & Private
No messy sign-ups, no spam emails. We believe in providing open access to accurate data to accelerate India's transition to renewable energy and sustainable building.