Swiss Army Vape Tools

Ohm's Law Calculator

Voltage (V):

Current (A):

Resistance (Ω):

Power (W):

Battery Safety Calculator

Battery Voltage (V):

Battery Capacity (mAh):

Coil Resistance (Ω):

Desired Wattage (W):

Coil Wrapping Calculator

Wire Type:

Wire Gauge (AWG):

Coil Inner Diameter (mm):

Number of Wraps:

E-Liquid Mixer

Target Volume (mL):

Nicotine Base Strength (mg/mL):

Target Nicotine Strength (mg/mL):

PG Ratio (%):

VG Ratio (%):

Sweet Spot / Heat Flux Estimator

Rough estimator to calculate heat flux (W/mm²) — find out if your vape is cool, warm, or scorching hot.

Wire Type:

Wire Gauge (AWG):

Coil Inner Diameter (mm):

Number of Wraps:

Wattage (W):