Measure the length.Unit of length in the metric system.10 mm was 1 cm.100 cm was 1 meters.1000 meters of 1 kilometers.The unit of measurement of length in the English system.12 inch equals 1 feet.3 feet were 1 yards.1760 yards were 1 miles.Units of measurement in section).12 inch equals 1 creep2 creep of 1 cubits.4 cubits was 1 wa20 wa was 1 lines.400 lines of 1 benefits1 wa was 2 meters.Unit length measurement in the English system compared to the metric system (estimated).1 inch equals 2.54 cm.1 yards were 0.9144 meters.1 miles of 1.6093 kilometers.And compare the length in each item following and enter length.1. The 6 feet high with high heart 175 cm.From 1 feet = 30 cm.The high 6 feet = 6 x 30 = 180 cm.High heart 175 cm.Conclusion the higher heart.2. Long canoe 3 aqua with row long 5 meters.From 1 wa = 2 meters.The long boat 3 wa = 2 x 3 = 6 meters.Row long 5 meters.Conclusion the boats longer than the rowboat.3. Stick 5 feet 7 fingers with long sticks 170 cm.From 1 feet = 30 cm.1 inch = 2.54 cm.Stick 5 feet 7 inch = (5 x 30) + (7 x 2.54).= 150 + 17.78.= 167.78 cm.Stick 170 cm.Summary cane 170 cm longer stick 5 feet 7 inches.4. Distance from Bangkok to Nakhon Ratchasima, about 254 kmBangkok to KOH Chang about 205 miles.From 1 miles = 1.6093 kilometers.Bangkok to KOH Chang 205 miles = 205 x 1.6093 kilometers.Conclusion it, sir.5. The pool 50 meters fun swimming practice to return a 20 around.And find out one day, fun to swim a few kilometers.Swimming 1 around 50 x 2 = 100 meters.1 day swim 20 around.= = 20 x 100, 2 000 meters.From 1 kilometers =, 1 000 meters.= 2 000 ÷ 1 000,,,= 2 kilometers.Have fun swimming practice day 2 kilometers.
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