fatcousin
search
⌘
K
→
jump to any tool — keyboard-first launcher.
tools
→
browse every utility in one place.
manifesto
→
why fatcousin exists — local-first, no uploads.
install
→
save this toolset to your device — works offline.
search
⌘
K
→
jump to any tool — keyboard-first launcher.
ready
local
verify
→
←
home
m
o
l
a
r
m
a
s
s
c
a
l
c
u
l
a
t
o
r
chemical formula · element breakdown · g/mol · runs locally
[
formula
]
[
H2O
]
[
CO2
]
[
NaCl
]
[
C6H12O6
]
[
H2SO4
]
[
C2H5OH
]
[
NH3
]
[
Ca(OH)2
]
[
molar mass
]
18.0150
g/mol
[
breakdown
]
element
count
mass (g/mol)
share
%
H
2
2.0160
11.2%
O
1
15.9990
88.8%
[
status
]
>
ready