Length unit conversion:

1 km = 1 000m1m = 10 decimeter.

1 decimeter =10cm1m =10cm.

1 cm = 10/0mm.

Area unit conversion:

1 km2 = 100 hectare.

1 hectare = 1 10,000 square meters.

1 m2 = 100 square decimeter.

1 square decimeter = 100 square centimeter.

1 cm2 = 100 mm2.

Volume (volume) unit conversion:

1 m3 = 1000 cubic decimeter.

1 cubic decimeter = 1000 cubic centimeter.

1 cubic decimeter = 1 liter.

1 cm3 = 1 ml.

1 m3 = 1000 liter.

Weight unit conversion:

1 ton = 1000 kg.

1 kg =1000g.

1 kg = 1 kg.

RMB unit conversion:

1 yuan = 10 angle.

1 angle = 10 point.

1 yuan = 100 integral.

Time unit conversion:

1 century = 100 1 year =65438+ February.

The big months (3 1 day) are 1, 3, 5, 7, 8, 10, 65438+February respectively.

Abortion (30 days) includes: April, June, September,165438+1October.

February 28th in a normal year and February 29th in a leap year.

There are 365 days in a normal year and 366 days in a leap year.

1 day =24 hours 1 hour =60 minutes.

1 minute =60 seconds 1 hour =3600 seconds.

1 century = 100 year.

One, three, five, seven, eight, ten and twelve are big months, and big months have 3 1 day.

Four, six, nine and eleven are abortions, and there are 30 days of abortions.