Gigaohm to Ohm (GΩ to Ω)
Convert GΩ to Ω — Electric Resistance converter
Also written as Gohm to ohm.
One gigaohm equals 1000000000 Ω, so to convert gigaohms to ohms you multiply the value by 1000000000. A gigaohm is larger than a ohm — going the other way, 1 Ω = 1.000000e-9 GΩ. For example, 10 GΩ = 10000000000 Ω and 50 GΩ = 50000000000 Ω.
1 GΩ = 1000000000 Ω
Gigaohm to Ohm formula
1 Gigaohm = 1000000000 Ω
Worked examples
- 25 GΩ = 25000000000 Ω
- 100 GΩ = 100000000000 Ω
Gigaohm to Ohm conversion table
| Gigaohm (GΩ) | Ohm (Ω) |
|---|---|
| 1 | 1000000000 |
| 2 | 2000000000 |
| 3 | 3000000000 |
| 5 | 5000000000 |
| 8 | 8000000000 |
| 10 | 10000000000 |
| 12 | 12000000000 |
| 15 | 15000000000 |
| 20 | 20000000000 |
| 25 | 25000000000 |
| 50 | 50000000000 |
| 100 | 100000000000 |
| 250 | 250000000000 |
| 500 | 500000000000 |
| 1000 | 1.000000e+12 |
Resistor notation and where each scale is used
Resistor values are usually written without a decimal point, because decimal points disappear on smudged schematics and photocopies. BS 1852 notation puts the multiplier where the point would go: 4R7 is 4.7 Ω, 4K7 is 4.7 kΩ, and 4M7 is 4.7 MΩ. A value written plainly as "4.7" with no unit is ambiguous and worth checking.
The scale is decimal throughout: 1 MΩ = 1,000 kΩ = 1,000,000 Ω, and 1 Ω = 1,000 mΩ = 1,000,000 µΩ. On this page, 1 GΩ = 1000000000 Ω.
Megaohms and gigaohms show up in insulation testing and high-impedance input specifications. Readings at this scale are sensitive to humidity and to surface contamination on the board, so they are quoted with test voltage and conditions attached.
Frequently asked questions
How many ohms are in one gigaohm?
One gigaohm equals 1000000000 ohms (Ω).
How many gigaohms are in one ohm?
One ohm equals 1.000000e-9 gigaohms (GΩ).
How do you convert gigaohms to ohms?
1 Gigaohm = 1000000000 Ω. Use the calculator above for any value.
What is 5 GΩ in Ω?
5 GΩ = 5000000000 Ω.
What is 100 GΩ in Ω?
100 GΩ = 100000000000 Ω.
What is 10 GΩ in Ω?
10 GΩ = 10000000000 Ω.
What is 1000 GΩ in Ω?
1000 GΩ = 1.000000e+12 Ω.
Is a gigaohm bigger than a ohm?
Yes. A gigaohm is larger — one gigaohm equals 1000000000 ohms (Ω).