Molecular mass MolE - monoisitopic and average masses, isotope distribution, elemental composition Mongo Oligo - oligonucleotide mass, CID, digest etc. calculator QuickON - calculate oligonucleotide mass and elemental composition from nucleotide composition or sequence PepCalc - peptide mass calculator
Composition calculators ElComp - calculate compositions from mass CompO - calculate nucleotide composition from mass
Other TubeCalc - tube calculator (diameter, length, volume) FlowCalc - flow rate calculator (maintaining linear velocity) ConcCalc - concentration calculator (volume, molarity, amount to weigh) UnitConv - unit conversion (metric - US)