Convert Coulombs

Coulombs are a measure of electric charge. Coulomb is an SI derived unit of measure, and can be abbreviated as C. For example 1 coulomb can be written as 1 C.

A coulomb is the electric charge equal to one ampere of current over one second.

Coulomb Conversion Calculators

Choose a unit of electric charge to convert to.

Convert coulombs to millicoulombs
1 coulomb is equal to 1,000 millicoulombs
Convert coulombs to microcoulombs
1 coulomb is equal to 1,000,000 microcoulombs
Convert coulombs to nanocoulombs
1 coulomb is equal to 1,000,000,000 nanocoulombs
Convert coulombs to picocoulombs
1 coulomb is equal to 1,000,000,000,000 picocoulombs
Convert coulombs to electron charge
1 coulomb is equal to 6,241,500,000,000,000,000 electron charge
Convert coulombs to ampere-hours
1 coulomb is equal to 0.000278 ampere-hours
Convert coulombs to milliampere-hours
1 coulomb is equal to 0.277778 milliampere-hours

We have many more electric charge conversion tools that you might also find useful. You might also be interested in our Coulomb's Law charge calculator.

Coulombs Measurement Conversion Table

Common coulomb values and equivalent imperial and metric electric charge measurements
coulombs millicoulombs microcoulombs nanocoulombs picocoulombs electron charge ampere-hours milliampere-hours
1 C 1,000 mC 1,000,000 μC 1,000,000,000 nC 1,000,000,000,000 pC 6,241,500,000,000,000,000 e 0.000278 Ah 0.277778 mAh
2 C 2,000 mC 2,000,000 μC 2,000,000,000 nC 2,000,000,000,000 pC 12,483,000,000,000,000,000 e 0.000556 Ah 0.555556 mAh
3 C 3,000 mC 3,000,000 μC 3,000,000,000 nC 3,000,000,000,000 pC 18,725,000,000,000,000,000 e 0.000833 Ah 0.833333 mAh
4 C 4,000 mC 4,000,000 μC 4,000,000,000 nC 4,000,000,000,000 pC 24,966,000,000,000,000,000 e 0.001111 Ah 1.111111 mAh
5 C 5,000 mC 5,000,000 μC 5,000,000,000 nC 5,000,000,000,000 pC 31,208,000,000,000,000,000 e 0.001389 Ah 1.388889 mAh
6 C 6,000 mC 6,000,000 μC 6,000,000,000 nC 6,000,000,000,000 pC 37,449,000,000,000,000,000 e 0.001667 Ah 1.666667 mAh
7 C 7,000 mC 7,000,000 μC 7,000,000,000 nC 7,000,000,000,000 pC 43,691,000,000,000,000,000 e 0.001944 Ah 1.944444 mAh
8 C 8,000 mC 8,000,000 μC 8,000,000,000 nC 8,000,000,000,000 pC 49,932,000,000,000,000,000 e 0.002222 Ah 2.222222 mAh
9 C 9,000 mC 9,000,000 μC 9,000,000,000 nC 9,000,000,000,000 pC 56,174,000,000,000,000,000 e 0.0025 Ah 2.5 mAh
10 C 10,000 mC 10,000,000 μC 10,000,000,000 nC 10,000,000,000,000 pC 62,415,000,000,000,000,000 e 0.002778 Ah 2.777778 mAh
11 C 11,000 mC 11,000,000 μC 11,000,000,000 nC 11,000,000,000,000 pC 68,657,000,000,000,000,000 e 0.003056 Ah 3.055556 mAh
12 C 12,000 mC 12,000,000 μC 12,000,000,000 nC 12,000,000,000,000 pC 74,898,000,000,000,000,000 e 0.003333 Ah 3.333333 mAh
13 C 13,000 mC 13,000,000 μC 13,000,000,000 nC 13,000,000,000,000 pC 81,140,000,000,000,000,000 e 0.003611 Ah 3.611111 mAh
14 C 14,000 mC 14,000,000 μC 14,000,000,000 nC 14,000,000,000,000 pC 87,381,000,000,000,000,000 e 0.003889 Ah 3.888889 mAh
15 C 15,000 mC 15,000,000 μC 15,000,000,000 nC 15,000,000,000,000 pC 93,623,000,000,000,000,000 e 0.004167 Ah 4.166667 mAh
16 C 16,000 mC 16,000,000 μC 16,000,000,000 nC 16,000,000,000,000 pC 99,864,000,000,000,000,000 e 0.004444 Ah 4.444444 mAh
17 C 17,000 mC 17,000,000 μC 17,000,000,000 nC 17,000,000,000,000 pC 106,110,000,000,000,000,000 e 0.004722 Ah 4.722222 mAh
18 C 18,000 mC 18,000,000 μC 18,000,000,000 nC 18,000,000,000,000 pC 112,350,000,000,000,000,000 e 0.005 Ah 5 mAh
19 C 19,000 mC 19,000,000 μC 19,000,000,000 nC 19,000,000,000,000 pC 118,590,000,000,000,000,000 e 0.005278 Ah 5.277778 mAh
20 C 20,000 mC 20,000,000 μC 20,000,000,000 nC 20,000,000,000,000 pC 124,830,000,000,000,000,000 e 0.005556 Ah 5.555556 mAh