Understanding Nicotine Strength: What mg, % and Nic Salts Really Mean

If you’ve been shopping for vapes, you’ve seen numbers like “50mg” or “5%” on product pages and packaging. This guide unpicks exactly what those mean, why they matter, and how to choose the right strength for your needs.

The Three Ways Nicotine Strength Is Measured

1. Milligrams per Millilitre (mg/mL)

This is the most common labelling in Australia for disposables and closed pod systems.

What it means: The amount of nicotine dissolved in each millilitre of e-liquid.

Examples:

20mg/mL = 20 milligrams of nicotine per 1mL of e-liquid
50mg/mL = 50 milligrams of nicotine per 1mL of e-liquid

How to use this:

If a device holds 2mL and it’s 50mg/mL, the total nicotine is 100mg
If a device holds 3mL and it’s 20mg/mL, the total nicotine is 60mg

2. Percentage (% Nic)

Less common in Australian retail, but you’ll see it on some packaging or online listings.

What it means: The percentage of the e-liquid that is nicotine by weight/volume.

Conversion to mg:

1% = approximately 10mg/mL
2% = approximately 20mg/mL
5% = approximately 50mg/mL

Where you’ll see it:

Imported devices
American or European e-liquid brands
Open-tank refillable systems

3. Total Nicotine Content

Some disposables advertise “9000 puffs” without specifying strength — the total nicotine depends on both capacity and strength.

Example calculation:

Device A: 3mL at 50mg/mL = 150mg total
Device B: 9mL at 20mg/mL = 180mg total
Device B has similar nicotine despite being “lower strength”

Nicotine Salts vs Freebase

These aren’t just different strengths — they’re different chemical forms of nicotine.

Nicotine Salts (Nic Salts)

What it is: Freebase nicotine bonded with an acid (usually benzoic acid).

Characteristics:

Smoother throat hit even at high concentrations
Absorbed faster (closer to cigarette-like speed)
Can be used at very high concentrations (up to 50mg/mL) without discomfort
Ideal for low-power devices (like disposables)

Strengths in Australia:

20mg/mL (very mild, for light users)
30mg/mL (medium, most common in starter devices)
50mg/mL (standard for most disposables you’ll see)

You’ll find nic salts in:

Almost every disposable vape
Closed pod systems (IGET Plus, etc.)
Pre-filled pods

Freebase Nicotine

What it is: Pure nicotine as it’s extracted, without chemical modification.

Characteristics:

Harsher throat hit at higher concentrations
Slower absorption than salts
Works best in high-power devices (sub-ohm vaping)
Can irritate if used above 20mg/mL in typical setups

Typical strengths:

0mg, 3mg, 6mg, 12mg (for open tanks)
Rarely above 18mg/mL because it becomes unpleasant

You’ll find freebase in:

Open-tank refillable systems
E-liquid bottles sold by mL (vaping shops)
Advanced vaping devices

Choosing Your Nicotine Strength

If You’re Switching from Cigarettes

Rule of thumb:

1 cigarette ≈ 15–20mg nicotine inhaled
A disposable puff delivers roughly 1–2mg nicotine from 50mg/mL e-liquid
Start at 50mg/mL if you smoke 20+ cigarettes daily
Start at 30mg/mL if you smoke 10–20 cigarettes daily
Start at 20mg/mL if you smoke <10 cigarettes daily

If You’re an Experienced Vaper

Switching between formats:

Coming from a 20mg/mL pod system? Stick with 50mg/mL disposables (salts deliver differently)
Coming from 12mg/mL open-tank e-liquid? Try 30mg/mL disposable
Coming from 6mg/mL freebase? Stick with 20mg/mL disposable

If You’re Experimenting

Nicotine tolerance varies based on:

Your metabolism
How frequently you puff (chain vaping uses more nicotine)
What other nicotine you consume (coffee, medications, etc.)

If 50mg feels too strong:

You might have lower nicotine tolerance than expected
Drop to 30mg and see how it feels after a week
Don’t switch devices mid-week; your tolerance needs time to adjust

If 50mg feels too weak:

You might be a heavy user
Consider higher-puff-count devices so you get more total nicotine without changing strength
Or try the 50mg option from a different brand (quality varies)
Don’t immediately jump to using a device faster — your throat will suffer

How to Read Labels at Vape Vendor Australia

On every product page at Vape Vendor Australia, you’ll see:

Nicotine Strength: Listed in mg/mL
E-liquid Capacity: Listed in mL
Total Nicotine: You can calculate this yourself (strength × capacity)
Puff Count: Separate spec, not directly related to nicotine strength

Example Product Specs

Brand	Puff Count	E-liquid	Strength	Total Nic
IGET Bar	3,500	2mL	50mg	100mg
Vozol 9000	9,000	6mL	50mg	300mg
Elf Bar	1,500	2mL	20mg	40mg
GunnPod	2,000	1.8mL	30mg	54mg

Regulatory Notes on Australian Strength

Nicotine vaping regulation in Australia has evolved significantly. Current availability reflects:

Most common strength: 50mg/mL (nic salts in disposables)
Some brands offer alternatives: 20–30mg/mL
Strengths vary by brand and regional regulation
Always check current health.gov.au guidance

Regulatory changes affect what’s stocked, so if your usual strength disappears, it reflects regulatory shifts, not brand decisions.

Side Effects: When Strength Doesn’t Match Your Tolerance

Too strong:

Dizziness or lightheadedness
Nausea
Headache
Throat irritation
Increased heart rate

Too weak:

Constant craving for more
Chain vaping (puffing excessively)
Unsatisfying experience
Abandoning vaping in frustration

If you experience side effects, wait 48 hours before trying a different strength. Your body needs time to adjust.

Final Guidance

Start with the recommendation for your smoking history — don’t guess
Stick with the same strength for at least 1 week before switching
Check the spec sheet — strength + capacity = total nicotine (don’t assume puff count correlates)
If unsure, ask — Vape Vendor Australia team can help via live chat or contact page

Your ideal strength isn’t what’s “best” — it’s what keeps you satisfied without side effects. Most Australian vapers settle on 50mg nic salts in disposables, but personal variation is significant.

Browse nicotine strengths available at Vape Vendor Australia to see current options.