mAh to Wh Calculator
Convert battery capacity (mAh) and voltage to energy (Wh).
Input Data
Input Capacity Q.
mAh
Input Voltage V.
V
Results
7.4Wh
E = Q·V / 1000 = 7.400000 Wh
At a glance:mAh to Wh Calculator: enter parameters to compute results; complements related calculators.
Formula
E(Wh) = Q(mAh)·V / 1000
How to Use
- Enter capacity mAh and voltage V.
- Get energy Wh.
Case Studies
2000 mAh, 3.7 V
E = 2000×3.7/1000 = 7.4 Wh.
FAQ
Voltage matters?
Higher voltage → more energy at same mAh.
Why Wh?
Wh is fairer for runtime comparison.
Related Tools
References
Content review: Calculatorism Science Team. Formula and numeric tests verified; results for reference only.