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Chemistry Calculators

Find chemistry calculators for moles, formulas, concentrations, solutions, pH, gas laws, reaction rates and related study topics. The periodic table and topic links help you locate a tool for a chemistry problem.

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Periodic Table

Interactive periodic table of all 118 elements with atomic number, symbol, mass, and color-coded categories.

Browse chemistry calculator topics

Choose a topic to see its calculators and find the right tool for your calculation.

Mole Concept, Atomic & Nuclear15 calculators Stoichiometry & Reaction Engineering18 calculators Solutions, Concentrations & Lab Prep22 calculators Acids, Bases, pH & Ionic Equilibrium18 calculators Gas Laws & Fluid Behavior15 calculators Thermodynamics & Thermochemistry12 calculators Chemical Kinetics & Catalysis9 calculators Colligative Properties & Electrochemistry13 calculators Biochemistry, Clinical & Medical Chemistry11 calculators Environmental, Water & Agricultural Chemistry9 calculators Food, Beverage, Brewing & Petroleum Chemistry7 calculators Organic, Spectroscopy & Materials Science6 calculators

How to use these chemistry calculators

Select the calculator that matches the quantity you need, then check units, significant figures and the assumptions shown with the result.

The Periodic Table of Elements

Click any element for details

57-71

89-103

1H1.008

2He4.003

3Li6.941

4Be9.012

5B10.81

6C12.01

7N14.01

8O16.00

9F19.00

10Ne20.18

11Na22.99

12Mg24.31

13Al26.98

14Si28.09

15P30.97

16S32.07

17Cl35.45

18Ar39.95

19K39.10

20Ca40.08

21Sc44.96

22Ti47.87

23V50.94

24Cr52.00

25Mn54.94

26Fe55.85

27Co58.93

28Ni58.69

29Cu63.55

30Zn65.38

31Ga69.72

32Ge72.63

33As74.92

34Se78.97

35Br79.90

36Kr83.80

37Rb85.47

38Sr87.62

39Y88.91

40Zr91.22

41Nb92.91

42Mo95.95

43Tc(98)

44Ru101.1

45Rh102.9

46Pd106.4

47Ag107.9

48Cd112.4

49In114.8

50Sn118.7

51Sb121.8

52Te127.6

53I126.9

54Xe131.3

55Cs132.9

56Ba137.3

57La138.9

58Ce140.1

59Pr140.9

60Nd144.2

61Pm(145)

62Sm150.4

63Eu152.0

64Gd157.3

65Tb158.9

66Dy162.5

67Ho164.9

68Er167.3

69Tm168.9

70Yb173.0

71Lu175.0

72Hf178.5

73Ta180.9

74W183.8

75Re186.2

76Os190.2

77Ir192.2

78Pt195.1

79Au197.0

80Hg200.6

81Tl204.4

82Pb207.2

83Bi209.0

84Po(209)

85At(210)

86Rn(222)

87Fr(223)

88Ra(226)

89Ac(227)

90Th232.0

91Pa231.0

92U238.0

93Np(237)

94Pu(244)

95Am(243)

96Cm(247)

97Bk(247)

98Cf(251)

99Es(252)

100Fm(257)

101Md(258)

102No(259)

103Lr(266)

104Rf(267)

105Db(268)

106Sg(269)

107Bh(270)

108Hs(277)

109Mt(278)

110Ds(281)

111Rg(282)

112Cn(285)

113Nh(286)

114Fl(289)

115Mc(290)

116Lv(293)

117Ts(294)

118Og(294)

Alkali MetalsAlkaline EarthTransition MetalsPost-TransitionMetalloidsNonmetalsHalogensNoble GasesLanthanidesActinides

What is the Periodic Table?

The Periodic Table of Elements is the foundation of chemistry. First published by Dmitri Mendeleev in 1869, it organizes all known chemical elements by increasing atomic number, grouping them into periods (rows) and groups (columns) based on their electron configuration and recurring chemical properties.

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118 Elements

From Hydrogen (H) to Oganesson (Og), every building block of matter in one chart.

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7 Periods & 18 Groups

Elements in the same group share similar chemical behavior and valence electrons.

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Color-Coded Categories

10 categories visually distinguished at a glance.

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Click for Details

Click any element to see electron configuration, phase, discovery year, and more.