Popular tools
NEBcutter V3.0
Restriction enzyme site finder
Tm Calculator
PCR primer melting temperature
Molarity Calculator
Mass to weigh from MW, conc & volume
Dilution Calculator
C1V1 = C2V2 stock dilutions
Reverse complement
Reverse, complement & reverse-complement
Oligo analyzer
Length, GC%, Tm and molecular weight
DNA → protein
Translate in any of the six frames
RPM ↔ g
Centrifuge speed to RCF converter
OD600 → cells
Bacterial cell number from OD600
Nucleic acid conc.
DNA/RNA concentration from A260
Tm of short primers
Wallace rule for oligos under 14 bp
Guides
How to design PCR primers
Length, GC, Tm, specificity — step by step
Restriction enzyme cloning
Sites, primers, ligation and verification
qPCR data analysis
Efficiency, reference genes and ΔΔCq
DNA & RNA quantification
A260, purity ratios and fluorometry