Convert dekalitre/day to cubic dekametre/day

Dekalitre/day and Cubic dekametre/day both are the units of volume flow rate. SI Derived Unit of volume flow rate is cubic meter/second.

Dekalitre/day is not the default SI Derived Unit of volume flow rate category.

Dekalitre/day Symbol is and alternate name for this unit is dekalitres/day.
Cubic dekametre/day Symbol is and alternate name for this unit is cubic dekametres/day.

Scale Factor of Dekalitre/day as compare to SI Derived Unit cubic meter/second is 1.15740740741E-7 and scale factor of Cubic dekametre/day as compare to SI Derived Unit cubic meter/second is 0.0115740740741.

To convert cubic dekametre/day to dekalitre/day following formula will be used:

Dekalitre/day = 1.0E-5 cubic dekametre/day

Dekalitre/day ↔ Cubic dekametre/day Conversion Table
1 Dekalitre/day = 1.0E-5 cubic dekametre/day
2 Dekalitre/day = 2.0E-5 cubic dekametre/day
3 Dekalitre/day = 3.0E-5 cubic dekametre/day
4 Dekalitre/day = 4.0E-5 cubic dekametre/day
5 Dekalitre/day = 5.0E-5 cubic dekametre/day
6 Dekalitre/day = 6.0E-5 cubic dekametre/day
7 Dekalitre/day = 7.0E-5 cubic dekametre/day
8 Dekalitre/day = 8.0E-5 cubic dekametre/day
9 Dekalitre/day = 9.0E-5 cubic dekametre/day
10 Dekalitre/day = 0.0001 cubic dekametre/day
11 Dekalitre/day = 0.00011 cubic dekametre/day
12 Dekalitre/day = 0.00012 cubic dekametre/day
13 Dekalitre/day = 0.00013 cubic dekametre/day
14 Dekalitre/day = 0.00014 cubic dekametre/day
15 Dekalitre/day = 0.00015 cubic dekametre/day
16 Dekalitre/day = 0.00016 cubic dekametre/day
17 Dekalitre/day = 0.00017 cubic dekametre/day
18 Dekalitre/day = 0.00018 cubic dekametre/day
19 Dekalitre/day = 0.00019 cubic dekametre/day
20 Dekalitre/day = 0.0002 cubic dekametre/day
21 Dekalitre/day = 0.00021 cubic dekametre/day
22 Dekalitre/day = 0.00022 cubic dekametre/day
23 Dekalitre/day = 0.00023 cubic dekametre/day
24 Dekalitre/day = 0.00024 cubic dekametre/day
25 Dekalitre/day = 0.00025 cubic dekametre/day
26 Dekalitre/day = 0.00026 cubic dekametre/day
27 Dekalitre/day = 0.00027 cubic dekametre/day
28 Dekalitre/day = 0.00028 cubic dekametre/day
29 Dekalitre/day = 0.00029 cubic dekametre/day
30 Dekalitre/day = 0.0003 cubic dekametre/day
31 Dekalitre/day = 0.00031 cubic dekametre/day
32 Dekalitre/day = 0.00032 cubic dekametre/day
33 Dekalitre/day = 0.00033 cubic dekametre/day
34 Dekalitre/day = 0.00034 cubic dekametre/day
35 Dekalitre/day = 0.00035 cubic dekametre/day
36 Dekalitre/day = 0.00036 cubic dekametre/day
37 Dekalitre/day = 0.00037 cubic dekametre/day
38 Dekalitre/day = 0.00038 cubic dekametre/day
39 Dekalitre/day = 0.00039 cubic dekametre/day
40 Dekalitre/day = 0.0004 cubic dekametre/day
41 Dekalitre/day = 0.00041 cubic dekametre/day
42 Dekalitre/day = 0.00042 cubic dekametre/day
43 Dekalitre/day = 0.00043 cubic dekametre/day
44 Dekalitre/day = 0.00044 cubic dekametre/day
45 Dekalitre/day = 0.00045 cubic dekametre/day
46 Dekalitre/day = 0.00046 cubic dekametre/day
47 Dekalitre/day = 0.00047 cubic dekametre/day
48 Dekalitre/day = 0.00048 cubic dekametre/day
49 Dekalitre/day = 0.00049 cubic dekametre/day
50 Dekalitre/day = 0.0005 cubic dekametre/day

Dekalitre/day Conversion Table:

Conversion of Dekalitre/day to other volume flow rate Units.

dekalitre/day	Other Units	Converter
1 dekalitre/day =	8.1071319217898E-6 acre foot/day	Dekalitre/day to Acre Foot/day
1 dekalitre/day =	8.1070832851738E-6 acre foot/day [survey]	Dekalitre/day to Acre Foot/day [survey]
1 dekalitre/day =	3.377971634087E-7 acre foot/hour	Dekalitre/day to Acre Foot/hour
1 dekalitre/day =	3.3779513688145E-7 acre foot/hour [survey]	Dekalitre/day to Acre Foot/hour [survey]
1 dekalitre/day =	5.6299527234619E-9 acre foot/minute	Dekalitre/day to Acre Foot/minute
1 dekalitre/day =	5.6299189480242E-9 acre foot/minute [survey]	Dekalitre/day to Acre Foot/minute [survey]
1 dekalitre/day =	9.3832545391183E-11 acre foot/second	Dekalitre/day to Acre Foot/second
1 dekalitre/day =	9.383198246707E-11 acre foot/second [survey]	Dekalitre/day to Acre Foot/second [survey]
1 dekalitre/day =	9.7285583061205E-5 acre inch/day	Dekalitre/day to Acre Inch/day
1 dekalitre/day =	9.7284999421949E-5 acre inch/day [survey]	Dekalitre/day to Acre Inch/day [survey]
1 dekalitre/day =	4.0535659608949E-6 acre inch/hour	Dekalitre/day to Acre Inch/hour
1 dekalitre/day =	4.0535416425727E-6 acre inch/hour [survey]	Dekalitre/day to Acre Inch/hour [survey]
1 dekalitre/day =	6.7559432681739E-8 acre inch/minute	Dekalitre/day to Acre Inch/minute
1 dekalitre/day =	6.7559027376291E-8 acre inch/minute [survey]	Dekalitre/day to Acre Inch/minute [survey]
1 dekalitre/day =	1.1259905446978E-9 acre inch/second	Dekalitre/day to Acre Inch/second
1 dekalitre/day =	1.1259837896048E-9 acre inch/second [survey]	Dekalitre/day to Acre Inch/second [survey]
1 dekalitre/day =	0.062898107438645 barrel/day [petroleum]	Dekalitre/day to Barrel/day [petroleum]
1 dekalitre/day =	0.061102568971998 barrel/day [UK]	Dekalitre/day to Barrel/day [UK]
1 dekalitre/day =	0.085216790723042 barrel/day [US beer/wine]	Dekalitre/day to Barrel/day [US Beer/wine]
1 dekalitre/day =	0.083864143251679 barrel/day [US]	Dekalitre/day to Barrel/day [US]
1 dekalitre/day =	0.0026207544766067 barrel/hour [petroleum]	Dekalitre/day to Barrel/hour [petroleum]
1 dekalitre/day =	0.0025459403738377 barrel/hour [UK]	Dekalitre/day to Barrel/hour [UK]
1 dekalitre/day =	0.003550699613471 barrel/hour [US beer/wine]	Dekalitre/day to Barrel/hour [US Beer/wine]
1 dekalitre/day =	0.0034943393021448 barrel/hour [US]	Dekalitre/day to Barrel/hour [US]
1 dekalitre/day =	4.3679241276811E-5 barrel/minute [petroleum]	Dekalitre/day to Barrel/minute [petroleum]
1 dekalitre/day =	4.2432339563962E-5 barrel/minute [UK]	Dekalitre/day to Barrel/minute [UK]
1 dekalitre/day =	5.9178326891062E-5 barrel/minute [US beer/wine]	Dekalitre/day to Barrel/minute [US Beer/wine]
1 dekalitre/day =	5.8238988369081E-5 barrel/minute [US]	Dekalitre/day to Barrel/minute [US]
1 dekalitre/day =	7.2798735461351E-7 barrel/second [petroleum]	Dekalitre/day to Barrel/second [petroleum]
1 dekalitre/day =	7.0720565939937E-7 barrel/second [UK]	Dekalitre/day to Barrel/second [UK]
1 dekalitre/day =	9.8630544818604E-7 barrel/second [US beer/wine]	Dekalitre/day to Barrel/second [US Beer/wine]
1 dekalitre/day =	9.7064980615135E-7 barrel/second [US]	Dekalitre/day to Barrel/second [US]
1 dekalitre/day =	3.5314666212764E-10 billion cubic foot/day	Dekalitre/day to Billion Cubic Foot/day
1 dekalitre/day =	1.4714444255315E-11 billion cubic foot/hour	Dekalitre/day to Billion Cubic Foot/hour
1 dekalitre/day =	2.4524073758848E-13 billion cubic foot/minute	Dekalitre/day to Billion Cubic Foot/minute
1 dekalitre/day =	4.0873456264746E-15 billion cubic foot/second	Dekalitre/day to Billion Cubic Foot/second
1 dekalitre/day =	1000 centilitre/day	Dekalitre/day to Centilitre/day
1 dekalitre/day =	41.666666666727 centilitre/hour	Dekalitre/day to Centilitre/hour
1 dekalitre/day =	0.69444444444461 centilitre/minute	Dekalitre/day to Centilitre/minute
1 dekalitre/day =	0.0115740740741 centilitre/second	Dekalitre/day to Centilitre/second
1 dekalitre/day =	2.3991275831718E-12 cubem/day	Dekalitre/day to Cubem/day
1 dekalitre/day =	9.996364929886E-14 cubem/hour	Dekalitre/day to Cubem/hour
1 dekalitre/day =	1.6660608216453E-15 cubem/minute	Dekalitre/day to Cubem/minute
1 dekalitre/day =	2.7767680360768E-17 cubem/second	Dekalitre/day to Cubem/second
1 dekalitre/day =	10000 cubic centimetre/day	Dekalitre/day to Cubic Centimetre/day
1 dekalitre/day =	416.66666666727 cubic centimetre/hour	Dekalitre/day to Cubic Centimetre/hour
1 dekalitre/day =	6.9444444444461 cubic centimetre/minute	Dekalitre/day to Cubic Centimetre/minute
1 dekalitre/day =	0.115740740741 cubic centimetre/second	Dekalitre/day to Cubic Centimetre/second
1 dekalitre/day =	10 cubic decimetre/day	Dekalitre/day to Cubic Decimetre/day
1 dekalitre/day =	0.41666666666727 cubic decimetre/hour	Dekalitre/day to Cubic Decimetre/hour
1 dekalitre/day =	0.0069444444444461 cubic decimetre/minute	Dekalitre/day to Cubic Decimetre/minute
1 dekalitre/day =	0.000115740740741 cubic decimetre/second	Dekalitre/day to Cubic Decimetre/second
1 dekalitre/day =	1.0E-5 cubic dekametre/day	Dekalitre/day to Cubic Dekametre/day
1 dekalitre/day =	4.1666666666727E-7 cubic dekametre/hour	Dekalitre/day to Cubic Dekametre/hour
1 dekalitre/day =	6.9444444444461E-9 cubic dekametre/minute	Dekalitre/day to Cubic Dekametre/minute
1 dekalitre/day =	1.15740740741E-10 cubic dekametre/second	Dekalitre/day to Cubic Dekametre/second
1 dekalitre/day =	0.35314666212764 cubic foot/day	Dekalitre/day to Cubic Foot/day
1 dekalitre/day =	0.014714444255315 cubic foot/hour	Dekalitre/day to Cubic Foot/hour
1 dekalitre/day =	0.00024524073758848 cubic foot/minute	Dekalitre/day to Cubic Foot/minute
1 dekalitre/day =	4.0873456264746E-6 cubic foot/second	Dekalitre/day to Cubic Foot/second
1 dekalitre/day =	610.23743215731 cubic inch/day	Dekalitre/day to Cubic Inch/day
1 dekalitre/day =	25.426559673166 cubic inch/hour	Dekalitre/day to Cubic Inch/hour
1 dekalitre/day =	0.42377599455214 cubic inch/minute	Dekalitre/day to Cubic Inch/minute
1 dekalitre/day =	0.0070629332425529 cubic inch/second	Dekalitre/day to Cubic Inch/second
1 dekalitre/day =	1.0E-11 cubic kilometre/day	Dekalitre/day to Cubic Kilometre/day
1 dekalitre/day =	4.1666666666727E-13 cubic kilometre/hour	Dekalitre/day to Cubic Kilometre/hour
1 dekalitre/day =	6.9444444444461E-15 cubic kilometre/minute	Dekalitre/day to Cubic Kilometre/minute
1 dekalitre/day =	1.15740740741E-16 cubic kilometre/second	Dekalitre/day to Cubic Kilometre/second
1 dekalitre/day =	0.01 cubic metre/day	Dekalitre/day to Cubic Metre/day
1 dekalitre/day =	0.00041666666666727 cubic metre/hour	Dekalitre/day to Cubic Metre/hour
1 dekalitre/day =	6.9444444444461E-6 cubic metre/minute	Dekalitre/day to Cubic Metre/minute
1 dekalitre/day =	1.15740740741E-7 cubic meter/second	Dekalitre/day to Cubic Meter/second
1 dekalitre/day =	2.3991275831718E-12 cubic mile/day	Dekalitre/day to Cubic Mile/day
1 dekalitre/day =	9.996364929886E-14 cubic mile/hour	Dekalitre/day to Cubic Mile/hour
1 dekalitre/day =	1.6660608216453E-15 cubic mile/minute	Dekalitre/day to Cubic Mile/minute
1 dekalitre/day =	2.7767680360768E-17 cubic mile/second	Dekalitre/day to Cubic Mile/second
1 dekalitre/day =	10000000 cubic millimetre/day	Dekalitre/day to Cubic Millimetre/day
1 dekalitre/day =	416666.66666727 cubic millimetre/hour	Dekalitre/day to Cubic Millimetre/hour
1 dekalitre/day =	6944.4444444461 cubic millimetre/minute	Dekalitre/day to Cubic Millimetre/minute
1 dekalitre/day =	115.740740741 cubic millimetre/second	Dekalitre/day to Cubic Millimetre/second
1 dekalitre/day =	0.013079506004719 cubic yard/day	Dekalitre/day to Cubic Yard/day
1 dekalitre/day =	0.00054497941686328 cubic yard/hour	Dekalitre/day to Cubic Yard/hour
1 dekalitre/day =	9.0829902810546E-6 cubic yard/minute	Dekalitre/day to Cubic Yard/minute
1 dekalitre/day =	1.5138317135091E-7 cubic yard/second	Dekalitre/day to Cubic Yard/second
1 dekalitre/day =	4.0873456264746E-6 cusec	Dekalitre/day to Cusec
1 dekalitre/day =	100 decilitre/day	Dekalitre/day to Decilitre/day
1 dekalitre/day =	4.1666666666727 decilitre/hour	Dekalitre/day to Decilitre/hour
1 dekalitre/day =	0.069444444444461 decilitre/minute	Dekalitre/day to Decilitre/minute
1 dekalitre/day =	0.00115740740741 decilitre/second	Dekalitre/day to Decilitre/second
1 dekalitre/day =	0.041666666666727 dekalitre/hour	Dekalitre/day to Dekalitre/hour
1 dekalitre/day =	0.00069444444444461 dekalitre/minute	Dekalitre/day to Dekalitre/minute
1 dekalitre/day =	1.15740740741E-5 dekalitre/second	Dekalitre/day to Dekalitre/second
1 dekalitre/day =	2.1996924829961 gallon/day [UK]	Dekalitre/day to Gallon/day [UK]
1 dekalitre/day =	2.6417205124199 gallon/day [US]	Dekalitre/day to Gallon/day [US]
1 dekalitre/day =	0.091653853457997 gallon/hour [UK]	Dekalitre/day to Gallon/hour [UK]
1 dekalitre/day =	0.11007168801733 gallon/hour [US]	Dekalitre/day to Gallon/hour [US]
1 dekalitre/day =	0.001527564224302 gallon/minute [UK]	Dekalitre/day to Gallon/minute [UK]
1 dekalitre/day =	0.0018345281336251 gallon/minute [US]	Dekalitre/day to Gallon/minute [US]
1 dekalitre/day =	2.5459403738377E-5 gallon/second [UK]	Dekalitre/day to Gallon/second [UK]
1 dekalitre/day =	3.0575468893767E-5 gallon/second [US]	Dekalitre/day to Gallon/second [US]
1 dekalitre/day =	6.9444444444461E-10 hectare meter/minute	Dekalitre/day to Hectare Meter/minute
1 dekalitre/day =	1.0E-6 hectare metre/day	Dekalitre/day to Hectare Metre/day
1 dekalitre/day =	4.1666666666727E-8 hectare metre/hour	Dekalitre/day to Hectare Metre/hour
1 dekalitre/day =	1.15740740741E-11 hectare metre/second	Dekalitre/day to Hectare Metre/second
1 dekalitre/day =	0.1 hectolitre/day	Dekalitre/day to Hectolitre/day
1 dekalitre/day =	0.0041666666666727 hectolitre/hour	Dekalitre/day to Hectolitre/hour
1 dekalitre/day =	6.9444444444461E-5 hectolitre/minute	Dekalitre/day to Hectolitre/minute
1 dekalitre/day =	1.15740740741E-6 hectolitre/second	Dekalitre/day to Hectolitre/second
1 dekalitre/day =	0.01 kilolitre/day	Dekalitre/day to Kilolitre/day
1 dekalitre/day =	0.00041666666666727 kilolitre/hour	Dekalitre/day to Kilolitre/hour
1 dekalitre/day =	6.9444444444461E-6 kilolitre/minute	Dekalitre/day to Kilolitre/minute
1 dekalitre/day =	1.15740740741E-7 kilolitre/second	Dekalitre/day to Kilolitre/second
1 dekalitre/day =	10000000 lambda/day	Dekalitre/day to Lambda/day
1 dekalitre/day =	416666.66666727 lambda/hour	Dekalitre/day to Lambda/hour
1 dekalitre/day =	6944.4444444461 lambda/minute	Dekalitre/day to Lambda/minute
1 dekalitre/day =	115.740740741 lambda/second	Dekalitre/day to Lambda/second
1 dekalitre/day =	10 litre/day	Dekalitre/day to Litre/day
1 dekalitre/day =	0.41666666666727 litre/hour	Dekalitre/day to Litre/hour
1 dekalitre/day =	0.0069444444444461 litre/minute	Dekalitre/day to Litre/minute
1 dekalitre/day =	0.000115740740741 litre/second	Dekalitre/day to Litre/second
1 dekalitre/day =	10000 millilitre/day	Dekalitre/day to Millilitre/day
1 dekalitre/day =	416.66666666727 millilitre/hour	Dekalitre/day to Millilitre/hour
1 dekalitre/day =	6.9444444444461 millilitre/minute	Dekalitre/day to Millilitre/minute
1 dekalitre/day =	0.115740740741 millilitre/second	Dekalitre/day to Millilitre/second
1 dekalitre/day =	8.1071319217898E-12 million acre foot/day	Dekalitre/day to Million Acre Foot/day
1 dekalitre/day =	3.377971634087E-13 million acre foot/hour	Dekalitre/day to Million Acre Foot/hour
1 dekalitre/day =	5.6299527234619E-15 million acre foot/minute	Dekalitre/day to Million Acre Foot/minute
1 dekalitre/day =	9.3832545391183E-17 million acre foot/second	Dekalitre/day to Million Acre Foot/second
1 dekalitre/day =	3.5314666212764E-7 million cubic foot/day	Dekalitre/day to Million Cubic Foot/day
1 dekalitre/day =	1.4714444255315E-8 million cubic foot/hour	Dekalitre/day to Million Cubic Foot/hour
1 dekalitre/day =	2.4524073758848E-10 million cubic foot/minute	Dekalitre/day to Million Cubic Foot/minute
1 dekalitre/day =	4.0873456264746E-12 million cubic foot/second	Dekalitre/day to Million Cubic Foot/second
1 dekalitre/day =	2.1996924829961E-6 million gallon/day [UK]	Dekalitre/day to Million Gallon/day [UK]
1 dekalitre/day =	2.6417205124199E-6 million gallon/day [US]	Dekalitre/day to Million Gallon/day [US]
1 dekalitre/day =	9.1653853457997E-8 million gallon/hour [UK]	Dekalitre/day to Million Gallon/hour [UK]
1 dekalitre/day =	1.1007168801733E-7 million gallon/hour [US]	Dekalitre/day to Million Gallon/hour [US]
1 dekalitre/day =	1.527564224302E-9 million gallon/minute [UK]	Dekalitre/day to Million Gallon/minute [UK]
1 dekalitre/day =	1.8345281336251E-9 million gallon/minute [US]	Dekalitre/day to Million Gallon/minute [US]
1 dekalitre/day =	2.5459403738377E-11 million gallon/second [UK]	Dekalitre/day to Million Gallon/second [UK]
1 dekalitre/day =	3.0575468893767E-11 million gallon/second [US]	Dekalitre/day to Million Gallon/second [US]
1 dekalitre/day =	0.00016349382505898 miner's inch [AZ/ CA/ OR]	Dekalitre/day to Miner's Inch [AZ/ CA/ OR]
1 dekalitre/day =	0.00015695407205662 miner's inch [CO]	Dekalitre/day to Miner's Inch [CO]
1 dekalitre/day =	0.00020383645929178 miner's inch [ID/ WA/ NM]	Dekalitre/day to Miner's Inch [ID/ WA/ NM]
1 dekalitre/day =	351.95079727965 ounce/day [UK]	Dekalitre/day to Ounce/day [UK]
1 dekalitre/day =	338.14022558991 ounce/day [US]	Dekalitre/day to Ounce/day [US]
1 dekalitre/day =	14.664616553307 ounce/hour [UK]	Dekalitre/day to Ounce/hour [UK]
1 dekalitre/day =	14.089176066246 ounce/hour [US]	Dekalitre/day to Ounce/hour [US]
1 dekalitre/day =	0.24441027588825 ounce/minute [UK]	Dekalitre/day to Ounce/minute [UK]
1 dekalitre/day =	0.23481960110429 ounce/minute [US]	Dekalitre/day to Ounce/minute [US]
1 dekalitre/day =	0.0040735045981404 ounce/second [UK]	Dekalitre/day to Ounce/second [UK]
1 dekalitre/day =	0.0039136600184022 ounce/second [US]	Dekalitre/day to Ounce/second [US]
1 dekalitre/day =	0.0021402828007708 petrograd standard/day	Dekalitre/day to Petrograd Standard/day
1 dekalitre/day =	8.9178450032173E-5 petrograd standard/hour	Dekalitre/day to Petrograd Standard/hour
1 dekalitre/day =	1.4863075005362E-6 petrograd standard/minute	Dekalitre/day to Petrograd Standard/minute
1 dekalitre/day =	2.4771791675604E-8 petrograd standard/second	Dekalitre/day to Petrograd Standard/second
1 dekalitre/day =	10.56688209167 quart/day	Dekalitre/day to Quart/day
1 dekalitre/day =	0.44028675448953 quart/hour	Dekalitre/day to Quart/hour
1 dekalitre/day =	0.0073381125655206 quart/minute	Dekalitre/day to Quart/minute
1 dekalitre/day =	0.00012230187609201 quart/second	Dekalitre/day to Quart/second
1 dekalitre/day =	0.01 stere/day	Dekalitre/day to Stere/day
1 dekalitre/day =	0.00041666666666727 stere/hour	Dekalitre/day to Stere/hour
1 dekalitre/day =	6.9444444444461E-6 stere/minute	Dekalitre/day to Stere/minute
1 dekalitre/day =	1.15740740741E-7 stere/second	Dekalitre/day to Stere/second
1 dekalitre/day =	0.00035314666212764 thousand cubic foot/day	Dekalitre/day to Thousand Cubic Foot/day
1 dekalitre/day =	1.4714444255315E-5 thousand cubic foot/hour	Dekalitre/day to Thousand Cubic Foot/hour
1 dekalitre/day =	2.4524073758848E-7 thousand cubic foot/minute	Dekalitre/day to Thousand Cubic Foot/minute
1 dekalitre/day =	4.0873456264746E-9 thousand cubic foot/second	Dekalitre/day to Thousand Cubic Foot/second
1 dekalitre/day =	3.5314666212764E-13 trillion cubic foot/day	Dekalitre/day to Trillion Cubic Foot/day
1 dekalitre/day =	1.4714444255315E-14 trillion cubic foot/hour	Dekalitre/day to Trillion Cubic Foot/hour
1 dekalitre/day =	2.4524073758848E-16 trillion cubic foot/minute	Dekalitre/day to Trillion Cubic Foot/minute
1 dekalitre/day =	4.0873456264746E-18 trillion cubic foot/second	Dekalitre/day to Trillion Cubic Foot/second