Current location - Training Enrollment Network - Mathematics courses - The summary of all mathematical formulas and unit conversions in primary schools is too comprehensive.
The summary of all mathematical formulas and unit conversions in primary schools is too comprehensive.
1, length unit.

1 km = 1000 m 1 km = 10000 decimeter 1 km = 100000 cm.

1 m = 10 decimeter1m =100 cm1m =1000 mm (not commonly used).

1 decimeter = 1 0cm1decimeter =100mm.

1 cm = 10/0mm.

2. Weight unit.

1t = 1000kg 1t = 10000g 1k g = 1000g。

3. Area unit.

1 km2 = 100 hectare 1 hectare = 100 hectare 1 hectare = 100 square meter.

1 m2 = 100 square decimeter.

1 square decimeter = 100 square centimeter 1 square kilometer = 100000 square meter.

4. Area unit conversion.

1 square kilometer = 100 hectare 1 hectare = 10000 square meter 1 square meter = 100 square decimeter.

1 decimeter square = 100 cm2 1 cm2 = 100 mm2.

5. unit of volume.

1 m3 = 1000 cubic decimeter 1 cubic decimeter = 1000 cubic centimeter.

1 m3 = 1000000 cubic centimeters.

6. unit of volume.

1 l = 1 cubic decimeter = 1000 ml (cubic centimeter) 1 ml = 1 cubic centimeter.

7, body (volume) product 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.

8. Conversion of weight units.

1t = 1000kg 1kg = 1000g 1kg = 1kg。

9. RMB unit conversion.

1 yuan = 10 angle 1 angle = 10 point 1 yuan = 100 point 10 yuan = 1000 point.

10, time unit conversion.

1 century =100/year =1February (3 1 day) zone (1357810/February).

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