Cricket Bat Specifications — Materials, Dimensions, and ICC Rules
The Laws governing cricket bat size: maximum length and width, blade thickness, handle specifications, the protective film rule, and why willow is the only permitted material.
The cricket bat is governed by Law 5 of the Laws of Cricket. While bats have evolved dramatically in design, weight distribution, and edge thickness since the 1700s, the maximum dimensions have been regulated since 1979, when aluminium bats briefly appeared in international cricket and were swiftly banned.
Legal Dimensions
| Dimension | Maximum |
|---|---|
| Overall length | 965 mm (38 inches) |
| Blade width | 108 mm (4.25 inches) |
| Blade depth (thickness) | 67 mm (2.64 inches) |
| Edge thickness | 40 mm (1.57 inches) |
| Handle length | 52% of total bat length |
Material Requirements
The blade of a cricket bat must be made of wood. By convention and ICC Playing Conditions, this means English willow (Salix alba var. caerulea) or Kashmir willow. Willow is uniquely suitable because it is light, strong, and compresses on impact rather than shattering — properties no other wood replicates as well. The handle is typically made from cane with a rubber grip.
Surface Treatments
The bat face may be covered with an additional material for protection, provided the covering is not more than 1.56 mm thick. This allows players to apply thin protective films and coatings without affecting ball behaviour. However, the surface may not be treated in any way that would alter the condition of the ball — no adhesives, coatings, or substances that would affect how the ball behaves on contact.
The 2017 Law Changes
The 2017 revision of the Laws of Cricket codified maximum blade depth (67mm) and edge thickness (40mm) for the first time, responding to the introduction of extremely thick-edged bats. These rules are enforced by the umpires — if a match referee deems a bat potentially non-compliant, the umpires can measure the bat before or during a match. Players found using an illegal bat would be penalised under the Laws.
Weight
There is no maximum weight specified in the Laws. In practice, professional bats range from about 2 lb 7 oz (1.1 kg) to 3 lb (1.36 kg). Heavier bats can drive the ball further but reduce bat speed; lighter bats allow faster swing but may transmit more sting on mishits. Players choose weight based on personal preference, pitch conditions, and format.
Frequently asked questions
What is the maximum width of a cricket bat?
108mm (4.25 inches). This has been the maximum since 1979 when wider bats were trialled in Australia.
Why must cricket bats be made of wood?
The Laws specify the blade must be made of wood. English willow is the universal choice because it is light, strong, and absorbs impact without shattering. Metal and composite bats would give an unfair advantage in distance and power.
Is there a maximum weight for a cricket bat?
No. The Laws of Cricket do not specify a maximum bat weight. In practice, professional bats are between 2 lb 7 oz and 3 lb (approximately 1.1–1.36 kg).