101 mAh Is How Many Wh?

Quick Answer: 101 mAh = 0.3737 Wh (at 3.7V)

Milliamp-hours
=
Watt-hours
Auto-fills voltage
Nominal battery voltage
Conversion Result
101 mAh = 0.3737 Wh (at 3.7V)

At 3.7V nominal voltage

101 mAh = 0.3737 Wh (at 3.7V)

Step-by-step:

  1. Formula: Wh = mAh × V / 1,000
  2. 101 × 3.7 / 1,000 = 0.3737 Wh

Similar mAh to Wh Conversions

Values close to 101 mAh (at 3.7V Li-ion):

mAh Wh (at 3.7V)
1 mAh 0.0037 Wh
101 mAh 0.3737 Wh
201 mAh 0.7437 Wh
301 mAh 1.1137 Wh
401 mAh 1.4837 Wh
501 mAh 1.8537 Wh
601 mAh 2.2237 Wh

See Also

Frequently Asked Questions

How many Wh is 101 mAh?

101 mAh equals 0.3737 Wh at 3.7V (Li-ion nominal voltage). The exact Wh depends on the battery voltage: Wh = mAh × V / 1,000.

How do I convert 101 mAh to Wh?

Multiply 101 by the battery voltage, then divide by 1,000. At 3.7V: 101 × 3.7 / 1,000 = 0.3737 Wh.

Is 101 mAh allowed on a plane?

At 3.7V, 101 mAh = 0.3737 Wh. Airlines allow lithium batteries up to 100 Wh in carry-on luggage. Batteries between 100–160 Wh require airline approval. Batteries over 160 Wh are prohibited on passenger aircraft.

Formula: Wh = mAh × V / 1,000. Results assume nominal battery voltage.

Conversion factors verified against NIST, BIPM Based on SI definitions (BIPM). Last reviewed: March 2026
Tiago Fernandes Reviewed by Tiago Fernandes