The daily amount of wages is calculated pursuant to the following items:
賃金日額は、次の各号によって算定する。
if the wages are determined on the basis of working days or hours, or daily output, or it is otherwise possible to calculate the daily wages for a specially-insured day laborer, the determined or calculated amount;
if the wages are determined in accordance with total output over a period of two days or more, or it is otherwise not possible to calculate the daily wages for a specially-insured day laborer (excluding cases that fall under the following item), the average amount of daily wages received on the preceding day (if no person received a similar wage for engaging in similar work on the preceding day, the most recent day on which any person does so) by persons who engaged in similar work at the same place of business and receive similar wages;
if the amount of wages is based on a period of two days or more, the amount obtained by dividing that amount by the number of days in the period concerned (30 days if the period is one month);
賃金が二日以上の期間によって定められる場合には、その額をその期間の総日数（月の場合は、一月を三十日として計算する。）で除して得た額
if it is not possible to calculate pursuant to the provisions of the preceding three items, the amount of a wages received by persons who engaged in similar work and receive similar wages in a day in that region;
if the relevant person receives wages corresponding to two or more of each of the preceding items, the total sum of the amounts calculated for each of the wages in accordance with the preceding items; and
if the person is employed at two or more places of business in a day, the amount calculated pursuant to the preceding items for wages paid from the first place of business employing the person.
In the case of the preceding paragraph, with regard to a wage to be paid other than in currency, the amount is specified by the Minister of Health, Labour and Welfare based on the local market price.