Wire Gauge Size Calculator
Wire gauge size calculator
How do you determine cable wire size? Divide the voltage running through the cable by your target current. If, for instance, 120 volts will act on the cable, and you want 30 amps to run through it: 120 / 30 = 4.
How do I calculate which wire to use?
Wire Sizing Chart and Formula
- Calculate the Voltage Drop Index (VDI) using the following formula:
- VDI = AMPS x FEET ÷ (% VOLT DROP x VOLTAGE)
- Determine the appropriate wire size from the chart below.
What size is 12 gauge wire?
12 gauge wire is 2.053 mm thick. This is equal to 0.0808 inches. Because the diameter of 12 AWG wire is so close to 2 milimeter we also refer to it as a '2 mm wire'.
Is 6 or 8 gauge wire thicker?
Diameter: 6 gauge wire is 26.1% thicker than 8 gauge wire. Cross-section: 6 gauge wire has a 58.9% larger cross-section than an 8 gauge wire. Ampacity at median 75°C (167°F) temperature: 6 gauge wire can handle 15 more amps than 8 gauge wire. Basically, 6 AWG wire has a 30% higher ampacity than 8 AWG wire.
How do you calculate wire size in mm?
FAQ
- Multiply the resistivity (Ω•m) of the conductor material by the peak motor current (A), the number 1.25, and the total length of the cable (m).
- Divide the result by the voltage drop from the power source to the motor.
- Multiply by 1,000,000 to get the result in mm2.
What is wire gauge in MM?
| Wire Number (Gauge) | A.W.G. or B&S (Inches) | A.W.G. Metric (MM) |
|---|---|---|
| 15 | 0.0571" | 1.45mm |
| 16 | 0.0508" | 1.291mm |
| 17 | 0.0453" | 1.15mm |
| 18 | 0.0403" | 1.024mm |
What size wire do I need for 5 amps?
The maximum current in a gauge #10 (5.26 mm2) cable with length 15 m is approximately 5 amps.
What wire thickness should I use?
Choosing Electrical Wire Size 18-gauge are used for low-voltage lighting and lamp cords in 10 amps. 16-gauge are used for light-duty extension cords supporting 13 amps. 14-gauge are usedfor light fixtures, lamps, lighting circuits with 15 amps.
How do you find the right size wire and cable?
To calculate the Cable Sizing one needs to divide the voltage running through the cable by the target current. For instance, If your wire has a voltage current of 150 Volts and your target is 30 then you divide 150/30. This gives you your target resistance of 5 which is required.
What is 12 gauge in MM?
| Gauge No | Inch | Metric |
|---|---|---|
| 10 | 0.128" | 3.2mm |
| 11 | 0.116" | 2.9mm |
| 12 | 0.104" | 2.6mm |
| 13 | 0.092" | 2.3mm |
Which is bigger 14 or 12 gauge wire?
4. Is it 12 gauge wire vs 14? A 12 gauge low voltage wire has a diameter of roughly 0.0808 inches (2.053 mm), whereas 14 AWG wire has a diameter of around 0.0641 inches (1.628 mm). It is thus 26 percent thicker and 59 percent larger in a cross-sectional area compared to 14 gauge wire.
What is bigger 16 or 12 gauge wire?
A: The gauge is the size of the wire. The higher the number the smaller the wire. If your stereo is high power you might want to use 14 or 12 gauge wire for better power handling. Smaller wire 16 gauge or 18 gauge can get warm or hot with high power amps.
How many mm is 6 gauge?
| B&S Gauge | Millimeter (mm) | Inch (decimal) |
|---|---|---|
| 6 | 4.115 | 0.162 |
| — | 3.969 | 0.156 |
| 7 | 3.664 | 0.144 |
| — | 3.572 | 0.141 |
What gauge is 6mm wire?
| AWG | METRIC (mm2) | Our nearest Cable Approx. |
|---|---|---|
| 11 | 4.17 | 4.5 mm2 |
| 10 | 5.26 | 6mm2 |
| 9 | 6.63 | 7mm2 |
| 8 | 8.37 | 8.5mm2 |
Which mm wire is best for house wiring?
| Wire Size (Square mm) | Functionality/Purpose |
|---|---|
| 2.5 Sq mm Wires | Distribution Board (DB) to mainboards in a room |
| 4.0 Sq mm Wires | Geyser/Heaters, Electrical Induction stove, other electrical appliances which require 15 Amperes |
| 6 Sq mm Wires | For Air conditioners (up to 1.5 Tons capacity) |
What is 2.5 mm wire in AWG?
| Metric MM2 (Diameter) | AWG | Approx Strading |
|---|---|---|
| 2.5mm | 14 awg | 50/0.25 |
| 4mm | 12 awg | 56/0.3 |
| 6mm | 10 awg | 84/0.3 |
| 10mm | 8 awg | 80/0.4 |
What size of wire is 2.5 mm?
What is 2.5mm2 Cable? 2.5 mm cable is the cross-sectional area of 2.5mm. The copper conductor diameter is 1.73mm. Depending on the color of the 2.5mm2 cable can be used as a neutral wire, live wire, and earth wire.
What is 2.5 mm wire?
2.5mm Twin and Earth is commonly used as indoor domestic cable. The most common use for this type of cable is for circuits that provide power to sockets. It is made up of two cores and an earth core which must be covered with the identifying green and yellow sleeve when installed.
What gauge is 15mm?
| Millimeters (mm) | Inches (") |
|---|---|
| 14mm | 9/16" |
| 15mm | 19/32" |
| 16mm | 5/8" |
| 17mm | 0.67" |
What is 20 gauge wire in mm?
| GAUGE | SWG DIAMETER (Inches) | AWG DIAMETER (Millimeters) |
|---|---|---|
| 18 Gauge Wire | 0.0480 in | 1.024 mm |
| 20 Gauge Wire | 0.0360 in | 0.8128 mm |
| 22 Gauge Wire | 0.0280 in | 0.6426 mm |
| 24 Gauge Wire | 0.0220 in | 0.5105 mm |
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