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电动车充电成本与行程规划器.
估算家用与公共电动车充电成本、充电时长以及每英里或每公里的行程费用
此计算器尚未完全翻译——部分文本以英文显示。
输入数值
输入时结果会更新。
使用方法
How EV Charging Costs Are Calculated: Charging expense depends on total battery energy transferred (kWh), charger efficiency loss (typically ~10% heat loss during AC charging), and local utility tariffs.
Home vs. Public Fast Charging: Home Level 2 charging is significantly cheaper per kWh than commercial DC Fast Charging stations, which often include peak demand charges and fixed session fees.
相关计算器
Cite this calculator
Canonical URL: https://mathify.one/zh/sustainability/ev-charging-cost
Cite as: Mathify. (2026). 电动车充电成本与行程规划器. https://mathify.one/zh/sustainability/ev-charging-cost
Use Cases
Plan a road trip with EV charging costs
Estimate the total charging cost for a trip by entering your trip distance, battery efficiency, and public charging rates. Compare with home charging to decide where to charge.
Example: Trip of 200 miles with 3.5 mi/kWh efficiency and $0.30/kWh public rate.
Compare home vs public charging for daily use
See how much you save by charging at home instead of using public chargers, including session fees.
Example: Charging 50 kWh at home ($0.15/kWh) vs public ($0.40/kWh + $1 fee).
Frequently Asked Questions
- How does the EV charging cost calculator work?
- Enter your battery capacity, starting and target charge percentages, home and public rates, public session fee, efficiency, charger power, and trip distance. The calculator estimates energy needed, charging cost at home and public stations, charge time, and trip cost per mile or km.
- What is the difference between home and public charging costs?
- Home charging uses your home electricity rate, while public charging uses a higher per-kWh rate plus a session fee. The calculator shows both costs so you can see potential savings from charging at home.
- How is charge time calculated?
- Charge time is based on the energy needed (from starting to target charge) divided by the charger power (kW), assuming ideal conditions. Actual time may vary due to charging curves and battery management.
Tips & Common Mistakes
Tips
- Use your actual battery capacity from your EV's manual or dashboard, not the advertised total.
- Check your home electricity bill for the exact per-kWh rate, including taxes and fees.
- Public charging rates vary by network and location; include session fees for accurate comparison.
- For trip planning, use your real-world efficiency (mi/kWh or km/kWh) rather than the official rating.
Common Mistakes to Avoid
- Entering starting and target charge as decimals (e.g., 0.8) instead of percentages (80).
- Forgetting to include the public session fee, which can significantly increase cost.
- Using the battery capacity as the energy needed without accounting for the charge percentage difference.
Last updated: August 13, 2026