Overview
The Kingrinder K2 features larger 48mm burrs for faster grinding and improved uniformity compared to the K0 and K1. The bigger burr set makes a noticeable difference in both grinding speed and cup quality. At its price point, the K2 offers 48mm burr performance that competes with hand grinders costing twice as much. The K2 is the sweet spot in the Kingrinder lineup for most users, offering the best balance of performance, size, and value.
The Kingrinder K2 features a 48mm conical burr set, crafted from steel. Grind retention is approximately 0.1g — virtually zero retention, making it excellent for single dosing.
At $75, the Kingrinder K2 is aimed at budget-conscious coffee lovers just starting their espresso journey. Key workflow features include single-dose design (no hopper needed). As a hand grinder, it's completely silent, portable, and gives you a meditative morning ritual.
The Kingrinder K2 is weighing 0.5 kg, manufactured in China. Its footprint measures 52 x 52 x 185 mm (W×D×H).
Pros & Cons
Pros
- Capable 48mm burr set provides good grind quality for espresso
- Designed for single dosing — weigh your beans in, get precisely that amount out with minimal waste
- Near-zero retention (0.1g) means almost no stale grounds contaminating your next shot
- Completely silent operation — perfect for early mornings without waking the household
- Fully portable with no electricity required — great for travel and camping
- Excellent value for money — capable espresso grinding at an accessible price point
Cons
- Manual grinding requires physical effort — espresso-fine takes 30-60 seconds of turning
- Not practical for making multiple drinks back-to-back for guests
- Stepped grind adjustment may not allow fine enough tuning between settings for espresso
Full Specifications
| Brand | Kingrinder |
|---|---|
| Model | Kingrinder K2 |
| Category | Hand Grinder |
| Country of Origin | China |
| Year Introduced | 2022 |
| Burr Size | 48 mm |
| Burr Material | Steel |
| Burr Type | 48mm conical |
| Retention | 0.1 g |
| Single Dose | Yes |
| Stepless Adjustment | No |
| Hopper Capacity | 30 g |
| Dimensions (W x D x H) | 52 x 52 x 185 mm |
| Weight | 0.5 kg (1.1 lbs) |
| MSRP | $75 |
Our Verdict
The Kingrinder K2 is a hand grinder, which means it trades speed and convenience for portability, silence, and often better value per dollar of grind quality. At under $100, it's one of the most affordable ways to get espresso-capable grinding. Perfect as a starter grinder or travel companion. If your daily routine involves 1-2 drinks and you enjoy a mindful morning ritual, this is an excellent option. For larger households or back-to-back drinks, consider an electric alternative.
Frequently Asked Questions
Can the Kingrinder K2 grind fine enough for espresso?
Yes, the Kingrinder K2 is capable of grinding fine enough for espresso. You may need to experiment with the stepped settings to find the sweet spot for your beans.
Is the Kingrinder K2 good for single dosing?
Yes, the Kingrinder K2 is designed for single dosing. With only 0.1g of retention, virtually all the coffee you put in comes out ground. Weigh your beans before grinding for the most consistent results.
How long does it take to grind espresso with the Kingrinder K2?
Grinding a single dose (18g) for espresso typically takes 30-60 seconds with the Kingrinder K2, depending on the bean and your desired fineness. It requires moderate physical effort. Most users find it a pleasant morning ritual, but if you make more than 2-3 drinks daily, consider an electric grinder.
How do I maintain the Kingrinder K2?
Clean out retained grounds after each use with a brush or bellows. Deep clean the burrs every 2-4 weeks by removing them and brushing away oil buildup. Hand grinders are easy to disassemble for cleaning. Never wash burrs with water.