🔋 eBike Range Calculator
Estimate the total distance your eBike can travel on a single charge by factoring in battery capacity, motor efficiency, and riding conditions. Plan your trips confidently and avoid running out of power.
Welcome to BatteryWheel — the world’s first unified platform offering 40+ free eBike, EV, battery and electrical calculators. Our tools help riders, DIY builders, engineers, technicians, and hobbyists calculate range, charging time, efficiency loss, torque, voltage drop, C-rate, and full system performance.
Whether you want to design a custom lithium pack, estimate riding cost per km, check motor heat, compute solar charging rate, or optimize inverter runtime — everything is available in one place, fully free and mobile-friendly.
BatteryWheel is designed for speed, accuracy, and simplicity. Just enter your values and get instant results, graphs, and technical explanations.
ebike Battery and Cost Calculators
⚡ Charging Cost Calculator
Determine the exact cost in your local currency to fully charge your eBike battery based on its capacity and your current electricity rate. Easily track and manage your eBike's low running costs.
♻️ Battery Life Cycle Estimator
Approximate the total useful lifespan of your eBike battery in charge cycles and years based on your typical usage and charging habits. Use this to plan for eventual replacement and maximize battery health.
⏱️ Charging Time Calculator
Calculate exactly how long it takes to fully charge your eBike battery using a specific charger (amps) and battery capacity (Ah). This helps you plan your day and ensure your eBike is ready when you need it.
⚙️ Motor Power & Speed Calculator
Estimate your eBike's top speed and maximum power output based on motor wattage, wheel size, gearing, and total weight. Optimize these factors to achieve your desired performance metrics.
💷 Electricity Cost per 100 km
Quickly calculate the exact running cost of your eBike by determining the electricity expense for every 100 kilometers traveled.
💰 CO₂ Savings Calculator
Determine your positive environmental impact by calculating the CO₂ emissions you save compared to driving a car. See your monetary savings per trip and over time.
💵 Battery Replacement Cost
Estimate the potential cost to replace or rebuild your eBike battery based on its capacity, voltage, and cell type. Understanding this cost is crucial for long-term ownership planning.
τ eBike Torque Calculator
Calculate the precise torque (τ) your eBike motor produces based on the power output and motor speed (RPM). Use this to better understand acceleration and hill-climbing ability.
💪 Max Load & Carrying Capacity
Calculate the maximum safe load capacity of your eBike, including the rider and cargo. This ensures safety, complies with regulations, and preserves the lifespan of your frame and components.
⛰️ eBike Hill Climb Calculator
Determine the minimum power and torque required from your eBike motor to successfully climb a specific incline or hill gradient. This calculation is essential for optimizing performance on varied terrain.
💔 Efficiency Loss Calculator
Calculate the estimated power and efficiency loss in your eBike system due to factors like friction, temperature, and component inefficiencies. Use this to optimize maintenance and maximize range.
🔌 Depth-of-Discharge (DoD) Impact
Analyze how the average Depth-of-Discharge (DoD) for your eBike battery impacts its overall lifespan and cycle count. Optimize your charging habits to maximize the long-term health of your battery.
🔥 Temperature Impact Calculator
Calculate how extreme ambient temperatures affect your eBike's battery performance, available range, and charging time. Use this to anticipate necessary adjustments for cold or hot weather riding.
💴 Battery Charging Cost per Month
Calculate your precise monthly electricity bill increase based on your charging frequency and local electricity rate. Use this to budget your transportation costs and prove the savings of your eBike commute.
💥 Battery Self-Discharge Calculator
Estimate the amount of energy your eBike battery will naturally lose over a period of storage due to self-discharge. This is essential for proper maintenance and preparation for long-term storage.
🔋 Battery Aging & Calendar Life Estimator
Estimate the non-usage related degradation of your eBike battery based on storage conditions and time. Understanding calendar aging is vital for maximizing the total lifespan and resale value.
☀️ Solar Charging Power Calculator
Calculate the power output and time required to fully charge your eBike battery using a solar panel setup. Determine the ideal panel size and angle for efficient, off-grid charging.
🏠 eBike Insurance Cost Estimator
Estimate the expected annual or monthly cost of insuring your eBike based on its value, location, and coverage type. Use this to accurately budget for the true cost of eBike ownership.
⬆️ Battery Upgrade Checker
Verify the compatibility of a new battery upgrade with your existing eBike motor and controller system. Ensure maximum performance and safety before purchasing a higher-capacity battery.
🚴 Regenerative Braking Savings Calculator
Calculate the exact amount of battery charge and energy (Wh) you recover when using your eBike's regenerative braking system. See the tangible savings this feature provides on your overall energy consumption.
⏰ Battery Replacement Time Predictor
Predict the optimal time to replace your eBike battery based on its current cycle count, estimated degradation rate, and usage frequency. This aids in proactive financial and maintenance planning.
🔋 Battery Health Score Calculator (EV-Style)
Determine the current State of Health (SoH) of your eBike battery using an EV-style percentage score. Compare its present capacity against its original factory specifications to track degradation.
🔥 eBike Motor Heat Calculator
Calculate the projected operating temperature of your eBike motor under specific load and environmental conditions. Understanding motor heat is critical for preventing overheating and long-term damage.
🔋 Voltage Sag Calculator
Calculate the voltage drop (sag) that occurs in your eBike battery under high load, which impacts motor performance and overall range. This tool helps diagnose issues and prevent premature component wear.
🔋 Payload Impact Range Estimator
Estimate the reduction in your eBike's range based on the total payload, including rider and cargo weight. Understanding payload impact is crucial for planning longer trips and maximizing efficiency.
🌡 Terrain Resistance Calculator (Rolling + Gradient)
Calculate the total resistance—combining rolling resistance and gradient force—your eBike must overcome on any given terrain. Use this to accurately determine required motor power and predict speed.
⚙️ Wheel Size Gear Ratio Speed Calculator
Determine your eBike's theoretical speed and maximum torque by calculating the precise relationship between wheel size, gear ratios, and motor RPM. Optimize your drivetrain for your specific riding style.
🔋 Battery C-Rate Safety Calculator
Calculate the continuous and peak C-rates for your eBike battery to ensure safe and efficient power draw from your motor and controller. Maintaining the correct C-rate prevents overheating and prolongs battery life.
🔋 BATTERY–RELATED (Universal) Calculators
🔋 Battery Internal Resistance (IR) Calculator
Calculate your eBike battery's Internal Resistance (IR), a key metric for assessing its overall health and efficiency. Lower IR indicates better power delivery and reduced heat generation.
⏳ Battery Charge Efficiency Calculator
Calculate the true efficiency of your eBike's charging process by determining the energy lost as heat during charging. This helps you identify an optimal charger and minimize wasted electricity costs.
#️⃣ Wh ⇄ Ah Converter
Quickly convert between Watt-hours (Wh) and Amp-hours (Ah) to compare eBike battery capacities and accurately understand total energy potential. This conversion is vital for system planning and parts compatibility.
🔋 Battery Series / Parallel (S × P) Pack Builder
Design your custom eBike battery pack by calculating the optimal Series (S) and Parallel (P) configuration. This tool ensures you achieve the exact required voltage and Amp-hour (Ah) capacity.
🧪 LiFePO₄ & Advanced Cell Chemistry Pack Builder
Calculate the specific cell count and arrangement needed to safely build a high-performance battery pack using LiFePO₄ or other advanced chemistries. Ensure your custom pack meets the required voltage and capacity specifications.
🔋 Battery Runtime Calculator (Universal)
Calculate the estimated runtime of any electronic device or system based on the battery's capacity and the average power consumption (wattage). Use this for planning operation duration and budgeting.
⌚ Battery Discharge Time @ Fixed Watt Load
Determine exactly how long your eBike battery will last when supplying a constant power draw (watt load). This is crucial for accurately predicting ride duration and range for continuous speed or motor use.
🔋 Battery Storage Loss Calculator
Calculate the total energy loss when storing your eBike battery over extended periods at various temperatures and charge levels. Use this tool to determine the optimal storage conditions to prevent degradation.
⏳ Inverter Runtime Calculator
Calculate the estimated operating time of any device connected to an inverter based on the battery capacity and the device's wattage consumption. This is essential for emergency power and off-grid planning.
🔌 Battery Charger Selector
Select the ideal charger for your eBike battery by checking compatibility with your voltage, Amp-hour (Ah) capacity, and required charge rate. Choosing the right charger is crucial for safety and battery longevity.
⚡ ELECTRICAL SYSTEM & POWER CALCULATORS
🔋 Wire Gauge (AWG/mm²) Selector
Select the correct wire gauge (AWG or mm²) for your eBike's electrical system based on current draw and wire length. Using the proper wire size is crucial for preventing overheating, maximizing efficiency, and ensuring safety.
🪛 Voltage Drop Calculator (DC circuits)
Calculate the voltage drop in your DC circuit or eBike wiring system based on wire length, gauge, and current draw. Minimizing voltage drop ensures maximum power reaches the motor and prevents component damage.
🔋 Fuse Rating Calculator
Determine the optimal fuse rating for your eBike's electrical components to ensure maximum safety and circuit protection. Selecting the correct fuse size is vital to prevent fire and damage from current overloads.
🔋 Motor Kv ↔ Kt Converter (RPM/V ↔ Nm/A)
Convert your eBike motor's velocity constant (Kv) to its torque constant (Kt) and vice-versa. This is essential for accurately sizing the motor and predicting its performance under various voltage and load conditions.
🔋 DC Motor RPM Calculator
Calculate the rotational speed (RPM) of your DC motor based on the applied voltage, motor Kv rating, and current load. This is essential for accurately predicting your eBike's top speed and overall performance.
🪛 Motor Kv (RPM per Volt) Calculator
Calculate the specific Kv rating (RPM per Volt) of your eBike motor to determine its maximum theoretical speed at any given voltage. This constant is crucial for selecting the right motor for your desired performance.
🚗 GENERAL VEHICLE / EV CALCULATORS
⏱ EV Charging Time Calculator
Estimate the time needed to fully charge any Electric Vehicle (EV) by factoring in the battery capacity, current state of charge, and the speed of the charging station (Level 1, 2, or 3).
🚘 EV Range Loss in Winter / Hot Weather
Calculate the significant temporary range reduction your EV experiences due to extreme temperatures. See how much power is diverted to battery thermal management and cabin climate control in both winter and summer.
🔋 EV Tire Size Difference Calculator
Calculate the effective difference in speed, odometer reading, and gearing ratio when changing your EV's tire size. This tool is crucial for maintaining accuracy, safety, and proper system synchronization in electric vehicles.
Frequently Asked Questions
- Q: Are all BatteryWheel calculators free to use?
- Yes. All eBike, battery, EV, solar and electrical calculators on BatteryWheel are 100% free with no signup required.
- Q: Are the calculator results accurate?
- Every calculator is based on physics, engineering formulas, battery discharge curves, and EV industry calculations. Results are reliable for practical usage and DIY projects.
- Q: Can I use these calculators for any eBike brand?
- Yes. All tools are universal and work with any motor, controller, battery voltage or capacity, including custom-built packs.
- Q: Do I need to enter exact manufacturer data?
- No. You can estimate values like efficiency, Wh usage, torque, and DoD. The calculators will still give usable and realistic outputs.
- Q: Can these calculators help improve my eBike range?
- Absolutely. Tools like the Range Calculator, Payload Impact, Terrain Resistance and Efficiency Loss calculators show how to increase range by optimizing riding style and battery usage.
- Q: Do you have calculators for battery degradation?
- Yes. Battery Aging, Cycle Life, Self-Discharge, Temperature Impact and DoD Impact calculators all help estimate long-term battery health.
- Q: Can I design a custom lithium battery pack?
- Yes. The Series/Parallel Pack Builder and LiFePO₄ Chemistry Pack Builder allow you to design custom packs with voltage, Wh, and discharge capability calculations.
- Q: Do you provide solar charging calculations?
- Yes. The Solar Charging Power Calculator estimates how many hours of sunlight you need, panel wattage, and charging efficiency.
- Q: Do you support EV tools?
- Yes. BatteryWheel includes full EV calculators such as EV Charging Time, EV Winter Range Loss and EV Tire Size Difference.
- Q: Can these calculators help me size fuses, wiring and electrical components?
- Yes. Tools like the Wire Gauge Selector, Voltage Drop Calculator, Fuse Rating Calculator, and Motor Kv/Kt Converter are designed for safe electrical system setup.
- Q: Are the tools suitable for DIY builders?
- Yes. BatteryWheel is built specifically for DIY eBike builders, EV hobbyists, solar installers, and battery pack designers.
- Q: Do you plan to add more calculators?
- Yes. New calculators and tools are added regularly based on user feedback and trending EV technologies.
- Q: Can I use these calculators for commercial or professional work?
- Yes. All tools are suitable for repair shops, eBike sellers, technicians, engineers, research students, and commercial EV design use.
- Q: Do you store or track any input values?
- No. All calculations run locally in your browser. Nothing is saved or transmitted to any server.
- Q: Why do I sometimes get slightly different numbers than my real ride?
- Real-world riding varies due to wind, temperature, tire pressure, weight, terrain, motor efficiency and battery age. The calculators provide the most accurate estimate based on input values.
- Q: Why does real-world eBike range differ from calculator results?
- Real-world range varies due to wind resistance, terrain, tire pressure, riding speed, temperature, payload weight, battery age, and motor efficiency. Calculators provide realistic estimates based on idealized inputs.
- Q: Does higher battery voltage increase eBike speed?
- Yes. Higher voltage increases motor RPM and top speed, but it must stay within controller and motor voltage limits to avoid damage.
- Q: How much does rider weight affect battery range?
- Rider weight significantly impacts range, especially during acceleration, hill climbing, and stop-and-go riding. Heavier loads increase Wh per kilometer consumption.
- Q: How accurate are eBike charging cost calculators?
- Charging cost calculators use local electricity rates and battery energy values. Actual cost may vary slightly due to charger inefficiency and energy losses.
- Q: Can I fully charge an eBike using solar panels?
- Yes, but charging time depends on solar panel wattage, sunlight hours, battery size, and charging efficiency. Solar charging is best suited for slow or supplemental charging.
- Q: Does fast charging damage eBike batteries?
- Frequent fast charging increases battery heat and accelerates aging, especially at high temperatures or high states of charge.
- Q: What is a healthy depth of discharge (DoD) for lithium batteries?
- Keeping average DoD between 20%–80% significantly extends battery cycle life compared to deep 0–100% discharges.
- Q: How does temperature affect battery lifespan?
- High temperatures accelerate chemical degradation, while extremely low temperatures reduce usable capacity. Optimal battery temperature is 15–25°C.
- Q: What causes voltage sag under load?
- Voltage sag occurs due to internal resistance, high current draw, cold temperatures, and aging cells. Higher parallel cell count reduces voltage sag.
- Q: What does S × P mean in battery packs?
- Series (S) increases voltage, while parallel (P) increases capacity and current capability. Both determine total battery performance.
- Q: Is it safe to upgrade battery voltage?
- Voltage upgrades are safe only if the controller, motor, and wiring are rated for the higher voltage.
- Q: Why is a Battery Management System (BMS) necessary?
- A BMS protects against over-charge, over-discharge, over-current, cell imbalance, and thermal runaway.
- Q: Can different battery cells be mixed in one pack?
- No. Mixing cells with different age, chemistry, or capacity causes imbalance, reduced performance, and safety risks.
- Q: What is motor torque and why is it important?
- Torque determines how well an eBike accelerates and climbs hills. Higher torque improves performance under load.
- Q: Why does motor efficiency drop at high speed?
- At high RPM, electrical losses and heat increase, reducing overall motor efficiency and usable range.
Battery Calculators for eBike, EV, and Power Bank Users
Welcome to BatteryWheel — your free, reliable destination for eBike battery calculators, EV range estimators, and charging cost tools. Whether you ride an electric bike, scooter, or build your own DIY EV project, BatteryWheel helps you calculate battery range, charging time, lifespan, and electricity cost instantly.
⚡ What Is an eBike Battery Calculator?
An eBike battery calculator helps you estimate how far your electric bike can travel on a single charge. By entering your battery voltage, amp-hour (Ah) rating, motor power, and average speed, our upcoming tools will instantly calculate the expected range in kilometers or miles. It’s a simple yet powerful way to understand your battery’s performance and optimize your rides.
🔋 Why Use a Battery Calculator?
Batteries are the heart of every electric vehicle — from compact eBikes to large scooters and solar setups. However, calculating the actual performance of a battery requires understanding its capacity, efficiency, and charging behavior. With our calculators, you can:
- Estimate travel range for eBikes and scooters.
- Find out charging cost based on your local electricity rate.
- Calculate charging time using your charger’s output.
- Estimate battery lifespan and number of charge cycles.
- Compare different battery packs before purchasing.
💰 Charging Cost Calculator for EV Batteries
Electricity costs are different everywhere, and knowing how much it costs to fully charge your eBike or EV helps plan your daily usage. Our charging cost calculator will allow you to enter your battery voltage, capacity (Ah or Wh), and electricity cost per kWh to find the exact charging expense per full charge. Perfect for eBikes, electric scooters, and small EVs.
⏱️ Charging Time Estimator
Wondering how long your battery takes to charge? The charging time calculator will help you estimate the duration based on your charger’s output current and your battery capacity. This helps prevent overcharging and extends your battery’s life.
♻️ Battery Life Cycle Calculator
All batteries have a limited number of charge cycles — usually between 300 to 1000 for lithium-ion cells. With the battery life cycle calculator, you’ll be able to estimate how many months or years your battery will last based on your daily charging habits. This tool is extremely helpful for EV owners who want to plan for future replacements.
🔌 Power Bank & Solar Battery Tools
BatteryWheel isn’t just for eBikes or EVs. You can also use our tools to calculate power bank runtime, solar battery storage, or even small electronics consumption. If you want to know how long a 20000mAh power bank can power a 5V device, or how much solar panel you need to recharge it daily — BatteryWheel will make that easy.
🚲 Perfect for DIY Builders and eBike Enthusiasts
Many electric bike builders struggle with matching the right motor, controller, and battery setup. Our calculators will simplify that process by giving you real-world estimates for your build. From choosing the best voltage and capacity to understanding performance loss due to rider weight or terrain — you’ll find everything you need here.
🌍 Who Can Use These Tools?
BatteryWheel is made for anyone who uses or works with batteries:
- eBike and electric scooter owners.
- DIY battery builders and EV hobbyists.
- Solar energy users and installers.
- People who want to save electricity costs.
📊 Upcoming Features
We’re continuously adding new calculators and features to make battery analysis easier. Soon, you’ll find:
- Battery health checker (based on voltage drop and usage data).
- EV energy cost per kilometer calculator.
- Solar charge time estimator.
- Battery comparison chart generator.
💡 Why Choose BatteryWheel?
- Completely free online calculators — no registration required.
- Fast and mobile-friendly — works on all devices.
- Built with lightweight HTML, CSS, and JavaScript (no data collection).
- Accurate and based on real-world physics formulas for batteries and motors.
Our mission is to make battery knowledge accessible to everyone. Whether you’re an eBike owner, a solar DIYer, or someone who just loves gadgets, you’ll find BatteryWheel useful, educational, and practical.
🔎 Start Exploring
Browse through our sitemap to access all available calculators and tools. Don’t forget to bookmark BatteryWheel for quick access to all your favorite battery calculator tools — because every watt-hour counts!