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Units

For units conversion, Kaia-sdk supports utils for converting kaia, Gkei and kei. See supported units .

Import the KaiaConvert from org.web3j.utils.KaiaConvert packages

To convert other units to kaia, use KaiaConvert.fromKei. The first param is the value and the second param is the unit types of kei/Gkei/kaia

To convert other units to kei, use KaiaConvert.toKei. The first param is the value and the second param is the unit types of kei/Gkei/kaia

UnitConvertExample.java


package org.web3j.example.utils;
import org.web3j.utils.KaiaConvert;
public class UnitConvertExample {
    public static void main(String[] args) {
        System.out.println("Convert from kei to kaia " + KaiaConvert.fromKei("1000000000000000000", KaiaConvert.Unit.KAIA));
        System.out.println("Convert from Gkei to kaia " + KaiaConvert.fromKei("1000000000", KaiaConvert.Unit.GKEI));
        System.out.println("Convert from kaia to kei " + KaiaConvert.toKei("1", KaiaConvert.Unit.KAIA));
        System.out.println("Convert from kaia to kei " + KaiaConvert.toKei("1", KaiaConvert.Unit.GKEI));
    }
}

output


❯ java UnitConvertExample.java
Convert from kei to kaia 1
Convert from Gkei to kaia 1
Convert from kaia to kei 1000000000000000000