About kWhmate

kWhmate is a small, independent site that turns official electricity tariffs and public rules into simple calculators. It is run by a lighting and electrical professional in Korea.

kWhmate는 조명·전기 공사 현장 경험을 바탕으로, 나라별 공식 요금표와 제도를 쉬운 계산기로 만드는 사이트입니다.

How we keep numbers accurate

Every calculator lists the official source and the effective date of its rates. Rates are reviewed when utilities or governments announce changes. Results are estimates; always check your official bill or agency.