# Chinese National Standard

People's Republic of China national standard GB4814-84

##### For logs small-end diameter 4-12cm and lengths less than 10.2m

Diameter Measured Inside Bark = DIB##### For logs small-end diameter 14cm and greater and lengths between 2m and 10m:

Diameter Measured Inside Bark = DIB##### For logs less than 2m and greater than 10.2m in length:

Diameter Measured Inside Bark = DIB##### For logs 10.2m in length:

Diameter Measured Inside Bark = DIB##### Logging Calculators

#### Cubic Volume Log Rule Calculators

- Nova Scotia Cubic Metre Log Scale
- Pressler's Cubic Foot Formula
- Smalian's Formula - Metric
- Smalian's Formula - Imperial
- Spike's Rule
- Swedish Log Volume Calculation
- Swedish Log Volume Calculation Method One
- Swedish Log Volume Calculation Method Two
- Swedish Log Volume Calculation Method Three
- William Klemme