Karate Gi & Uniform Size Calculator
Calculate standard sizing, anticipate fabric shrinkage based on weave composition, and compile custom bulk sizing matrices for club or dojo manufacturing orders.
Practitioner Parameters
Recommended Size Matrix Calculated
Sizing calculated based on standard European/International martial arts cuts. If your weight falls into a higher category than your height, select the larger size to allow full range of motion.
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Dojo & Club Order Sizing Matrix
Enter quantities required across standard karate gi size ranks.
| Size | Height Range | Category | Quantity |
|---|
Bulk Order Summary
Factory Direct Note: Combat Gi Hub provides custom inner collar labels, chest crest embroidery, and custom size tag stitching for bulk orders above 15 units.
Sizing & Manufacturing Knowledge Base
How Karate Gi Sizing Works Across International Standards
Selecting the correct karate uniform (gi or karategi) requires balancing practitioner height, body build, and fabric shrinkage characteristics. Standard karate gi sizes range from Size 0000 (100 cm) for young juniors up to Size 8 (210 cm+) for tall adults.
Unlike standard clothing, martial arts uniforms are patterned with generous sleeve and trouser room to accommodate dynamic kicks, deep stances (zenkutsu-dachi), and rapid hip rotations. Height serves as the baseline measurement, while weight determines whether a practitioner requires a standard, athletic, or oversized cut.
Standard International Karate Gi Size Matrix
This reference table displays baseline factory dimensions prior to hot washing or fabric shrinkage.
| Gi Size | Height (cm) | Height (ft/in) | Max Weight (kg) | Category |
|---|---|---|---|---|
| 0000 | 100 – 109 cm | 3’3″ – 3’7″ | 18 kg | Junior |
| 000 | 110 – 119 cm | 3’7″ – 3’11” | 23 kg | Junior |
| 00 | 120 – 129 cm | 3’11” – 4’3″ | 28 kg | Junior |
| 0 | 130 – 139 cm | 4’3″ – 4’7″ | 35 kg | Junior / Youth |
| 1 | 140 – 149 cm | 4’7″ – 4’11” | 43 kg | Junior / Youth |
| 2 | 150 – 159 cm | 4’11” – 5’3″ | 52 kg | Youth / Petite Adult |
| 3 | 160 – 169 cm | 5’3″ – 5’7″ | 65 kg | Adult |
| 4 | 170 – 179 cm | 5’7″ – 5’10” | 77 kg | Adult |
| 5 | 180 – 189 cm | 5’10” – 6’2″ | 90 kg | Adult |
| 6 | 190 – 199 cm | 6’2″ – 6’6″ | 102 kg | Adult |
| 7 | 200 – 209 cm | 6’6″ – 6’10” | 115 kg | Adult XL |
Critical Factors Influencing Uniform Fit & Sizing Decisions
1. Fabric Composition & Expected Shrinkage
Fabric weave directly impacts garment longevity and post-wash fit. As Sialkot-based uniform manufacturers, we categorise shrinkage rates across three main fabric types:
- 100% Unsanforized Cotton Canvas (10oz – 14oz): Experiences highest length shrinkage (~5% to 8%) when washed hot or tumble-dried. Always select one size up if using pure cotton without pre-shrunk treatment.
- Polyester-Cotton Blends (8oz – 10oz): Minimal length contraction (~1% to 3%). Synthetic poly fibers lock the structural weave, making this ideal for student uniforms that undergo frequent laundering.
- Pre-Shrunk Heavyweight Kata Canvas (12oz – 14oz): Treated prior to stitching to limit post-wash loss to ~2%. Maintains crisp snap and structural rigidity.
2. Kata Cut vs. Kumite Cut Preferences
Competitive disciplines dictate garment cut:
- Kata Cut: Shorter sleeves (mid-forearm) and shorter trousers (above the ankle bone) to present sharp stances and produce distinct acoustic snap during execution.
- Kumite Cut: Longer sleeves, longer jacket skirts, and ultra-lightweight fabric (5oz – 7oz) to facilitate rapid footwork and unimpeded punching reach.
Dojo & Club Bulk Order Sizing Advice
If you manage a karate club or martial arts academy, ordering a uniform size breakdown requires factoring in rapid student growth (for junior ranks) and brand consistency.