Quick reference. Standard hit-count ranges by cart size:
| Cart Size | Oil Volume | Hit Count Range | Typical Days (Moderate User) |
| 0.5g | 500mg | 150-200 | 15-20 days |
| 1g | 1,000mg | 300-400 | 30-40 days |
| 1.5g | 1,500mg | 450-600 | 45-60 days |
| 2g | 2,000mg | 600-800 | 60-80 days |
These are ranges. Actual count depends on five variables: pull duration, voltage, oil viscosity, coil quality, and your inhalation depth. Longest pulls and highest voltage settings push you to the low end. Light pulls and low-voltage settings stretch you to the high end.
The middle of each range is where most users land. So a typical 1g cart for a typical user delivers around 333 hits, or roughly one month of moderate consumption.
For the technique side of cart use (how to hit, voltage, primer pulls), see our beginner cart guide. This piece is about the math.
Hit Count by Cart Size (Detailed)
The math broken down per format.
0.5g (Half Gram) Cart
Oil volume: 500 milligrams. Per-pull volume: 2.5 to 3.5 mg of oil. Hit count: 500 / 3 = approximately 167 hits.
Range: 150 to 200 hits depending on technique. Short pulls (1.5 seconds) get you 200+. Longer pulls (3+ seconds) drop you to 150.
Moderate user smoking 10 hits a day? A 0.5g cart lasts 15 to 20 days. Light users (2 to 3 hits/day) get a month or more.
1g (Full Gram) Cart
Oil volume: 1,000 milligrams. Per-pull volume: same 2.5 to 3.5 mg.
Math: 1000 / 3 = approximately 333 hits baseline.
Range: 300 to 400 hits. This is the most common cart size in the hemp market and the most reliable longevity tier. A 1g cart is the standard reference point for most cart-buying decisions.
Moderate user (10 hits/day)? A 1g cart lasts 30 to 40 days. Heavy users (30 hits/day) get 10 to 13 days.
1.5g Cart (Less Common)
Oil volume: 1,500 milligrams. Same per-pull volume.
Math: 1500 / 3 = 500 hits baseline. Range 450 to 600.
This size shows up in some THCA disposables and a few specialty cart formats. Pricing is usually slightly better per milligram than 1g carts because the hardware cost is roughly the same.
2g Cart / Disposable Bar
Oil volume: 2,000 milligrams. Per-pull volume: same.
Math: 2000 / 3 = 666 hits baseline. Range 600 to 800.
Bar-style disposables typical at this size. Important caveat: a 2g disposable’s battery often dies before the oil runs out, especially on non-rechargeable models. Want the full 600-800 hits? Choose a 2g format with USB-C recharging.
Moderate user? A 2g cart lasts 60 to 80 days. Heavy user (30 hits/day)? About 20 to 27 days.
Hit Count by Form Factor (510 Cart vs Disposable vs Dab Pen)
Different form factors have different per-pull dynamics, even at the same oil volume.
510-Thread Reusable Cart on Battery
Standard reusable cart on a 510-thread battery. The math above applies cleanly. Hit counts of 150-200 for 0.5g, 300-400 for 1g.
Variable voltage batteries let you tune the per-pull oil usage. Lower voltage (2.5-3.0V) stretches the cart. Higher voltage (3.5V+) burns through faster.
All-in-One Disposable
Integrated battery and cart in one unit. The oil volume and per-pull math is identical to a 510 cart of the same size. Difference is fixed voltage (usually 3.0-3.3V) and the battery lifespan limit.
Disposables die when either the oil runs out or the battery dies. Your disposable battery dies at 70% oil remaining? You lose the rest. Quality brands publish their battery-to-oil ratio to ensure both run out simultaneously.
Dab Pen (Different Beast)
A dab pen is a different category. Dab pens vaporize wax, rosin, or other concentrates loaded manually into the chamber, not oil from a pre-filled cart.
Hit counts on dab pens depend on the loaded concentrate amount per session, not on a cart’s oil volume. A typical 0.1g dab in a pen chamber lasts 3 to 6 hits. Different math entirely.
Variables That Change Your Hit Count
The five things that affect how many hits you actually get.
Variables Affecting Hit Count Table
| Variable | Direction | Magnitude of Impact |
| Pull duration | Longer pull = more oil per hit = fewer total hits | High |
| Voltage | Higher voltage = more oil per hit = fewer total hits | High |
| Oil viscosity | Thinner oil = more flows per hit = fewer total hits | Medium |
| Coil quality | Cheap coil wicks more oil per hit | Medium |
| Inhalation depth | Deeper pulls extract more = slightly fewer total hits | Low |
Pull Duration (Biggest Factor)
Each second of pull pushes the coil to heat more oil. A 1.5-second pull consumes about 1.5-2.5mg of oil. A 3-second pull consumes 3-5mg. A 5-second pull consumes 6-10mg.
Translation: take 3-second pulls instead of 1.5-second pulls? You cut your cart’s hit count in half.
Voltage
Variable-voltage batteries let you tune the heat. At 2.5V, the coil is gentle and uses less oil per pull. At 3.5V, the coil runs hotter and consumes more oil per pull. At 4V+, you scorching the oil and wasting cannabinoid (plus risking coil damage).
For longest cart life: 2.5V to 3.0V. For maximum vapor per hit: 3.3V to 3.7V (with shorter pulls to compensate).
Oil Viscosity
Thinner oils (distillate-based) flow easier through the coil and combust more per pull. Thicker oils (live resin, rosin) flow slower and tend to deliver more hits per gram.
A 1g distillate cart might give you 300 hits. A 1g live resin cart might give you 350+ hits for the same usage pattern because the thicker oil reaches the coil slower.
Coil Quality
Ceramic coils are more efficient than cotton-wick coils. They vaporize more cannabinoid per unit of oil and deliver slightly more hits per gram. Cheap cotton coils over-saturate and burn oil faster.
You can choose? Ceramic. Most current quality carts use ceramic by default.
User Inhalation Depth
How deep you breathe affects extraction efficiency but only marginally affects oil consumption. Deep slow pulls extract more cannabinoid per unit of vapor; shallow short pulls leave some cannabinoid unextracted in the vapor.
Net effect on hit count: small. The other four variables matter more.
Dose Math (How Many mg per Hit)
Cross-reference with the cannabinoid math.
A 1g cart at 80% cannabinoid contains 800mg of active compound. Divide by 333 baseline hits: 800 / 333 = approximately 2.4mg of cannabinoid per hit at baseline pull duration.
By pull length:
- 1.5-second pull: ~1.2mg cannabinoid
- 2-second pull: ~1.6mg cannabinoid
- 3-second pull: ~2.4mg cannabinoid (baseline)
- 4-second pull: ~3.2mg cannabinoid
- 5-second pull: ~4mg cannabinoid
For comparison, a typical edible labeled “regular” is 5-10mg per dose. Two solid cart pulls equals approximately one edible’s worth of cannabinoid.
This math helps with tolerance calibration and dose-matching across product formats. For deeper cannabinoid math (THCA decarboxylation, Total THC calculation), see our Total THC Formula piece.
Usage Pattern Reorder Schedule
When to reorder based on your consumption pattern.
| User Type | Hits per Day | 0.5g Lasts | 1g Lasts | 2g Lasts |
| Light (2-3 hits) | 2-3 | 50-100 days | 100-200 days | 200-400 days |
| Moderate (10 hits) | 10 | 15-20 days | 30-40 days | 60-80 days |
| Heavy (30 hits) | 30 | 5-7 days | 10-13 days | 20-27 days |
| Very Heavy (60+ hits) | 60+ | 2-3 days | 5-7 days | 10-13 days |
For light users: A 0.5g cart is the value play. You’ll finish it before the oil oxidizes, and you avoid the cost of a 1g+ format you won’t use for months.
For moderate users: 1g is the sweet spot. 30-40 days is a reasonable reorder cycle. 2g is also workable if you want fewer reorders.
For heavy users: 2g formats save reorder hassle. A 1g cart for a heavy user is a once-every-two-weeks restock cycle.
For very heavy users: 2g is the only sensible format. Even then you reordering every couple weeks. Consider whether flower or concentrate alternatives make more sense at that consumption volume.
Reorder when you have approximately 25% oil left. This gives you time to receive the new cart before the current one runs out, accounting for shipping delays.
Cost Per Hit (Cross-Product Math)
Closing math. Cost-per-hit across cart sizes.
A $25 0.5g cart at 167 hits = $0.15 per hit.
A $40 1g cart at 333 hits = $0.12 per hit.
A $55 1.5g cart at 500 hits = $0.11 per hit.
A $60 2g disposable at 666 hits = $0.09 per hit.
Pattern: larger formats almost always have lower per-hit cost because hardware cost is roughly fixed (battery, coil, packaging) while oil cost scales linearly. Doubling the oil doesn’t double the price.
Disposables vs reusable carts on cost-per-hit: reusables can be cheaper over time because you reuse the battery across many cart refills. Trade-off is the upfront cost of a quality 510 battery ($20-60) and the inconvenience of swapping carts.
Cost-per-mg cannabinoid is the deeper metric for comparison shopping. For the math on that, see our Total THC Formula piece.
For our disposable line at Passion Farms, the catalog is here. Every product has the cannabinoid percentage on the COA so you can calculate cost-per-mg yourself.
FAQ
How many hits in a 0.5g cart?
A 0.5g cart contains 500mg of oil. At a typical 2.5-3.5mg per pull, that’s 150 to 200 hits. Most users land at 167 hits baseline.
How many hits in a 1g cart?
A 1g cart contains 1,000mg of oil. At a typical 2.5-3.5mg per pull, that’s 300 to 400 hits. The standard reference point: 333 hits baseline.
How many hits in a 2g cart?
A 2g cart or disposable bar contains 2,000mg of oil. That’s 600 to 800 hits baseline. Battery life can be the limiting factor on non-rechargeable 2g disposables.
How long does a cart last?
Depends on size and usage. A 1g cart for a moderate user (10 hits/day) lasts about 30-40 days. A 0.5g cart for the same user lasts 15-20 days. Heavy users go through carts faster.
How long is one cart hit?
One hit is typically 1.5 to 3 seconds of pull. Some users go longer (3-5 seconds), which consumes more oil per hit and reduces total hit count.
How many mg per cart hit?
About 1-6mg of cannabinoid per hit, depending on pull duration. A 2-second baseline pull from an 80% cannabinoid cart delivers approximately 1.6mg. A 4-second deep pull delivers 3-4mg.
Why does my cart die faster than my friend’s?
Five possible variables: you take longer pulls, your voltage is set higher, the oil viscosity differs, your coil is lower-quality, or you pull deeper. Pull duration is the most common explanation.
Does voltage affect hit count?
Yes, significantly. Higher voltage heats the coil hotter, vaporizes more oil per pull, reduces total hit count. For longest cart life, use 2.5-3.0V. For maximum vapor density, use 3.3-3.7V with shorter pulls.
How many hits in a disposable?
Same as a cart of equivalent oil volume. A 1g disposable gives 300-400 hits if the battery lasts that long. Battery longevity is the limiter on non-rechargeable disposables.
Can I get more hits by pulling longer?
No, opposite. Longer pulls consume more oil per pull and give you fewer total hits. Pull duration is inversely proportional to total hit count.
When should I reorder my cart?
When you have approximately 25% oil left. This gives you time for shipping to arrive before the current cart runs out. For 1g carts, reorder around hit 250 of an expected 333. For 0.5g carts, reorder around hit 125 of an expected 167.
What’s the cheapest cart per hit?
Larger formats. A 2g disposable typically runs $0.08-0.10 per hit. A 1g cart runs $0.10-0.13 per hit. A 0.5g cart runs $0.12-0.18 per hit. Bigger formats have lower per-hit cost because hardware cost is fixed.
