Cat Pregnancy Calculator

Use our cat pregnancy calculator to estimate due dates, track gestation progress, and get essential care tips for your expecting feline. Simple and accurate.

qPCR Efficiency Calculator

Free online calculator to determine qPCR efficiency from standard curve slope. Provides efficiency percentage, amplification factor, and interpretation with visualization.

Punnett Square Calculator

Advanced Punnett Square Calculator for genetics students. Calculate genotype and phenotype ratios for monohybrid or dihybrid crosses with detailed results and ratios.

DNA Copy Number Calculator

Free online calculator to determine DNA or RNA copy numbers from concentration and template length. Essential for molecular biology, qPCR, and research applications.

Allele Frequency Calculator

Calculate allele frequencies in populations using genotype counts. This free tool provides instant results with interpretation for genetics students and researchers studying population genetics.

Protein Concentration Calculator

Free online protein concentration calculator for A280, Bradford, and BCA methods. Calculate protein concentration with extinction coefficient and molecular weight inputs.

Log Reduction Calculator

Free online log reduction calculator. Compute microbial log reduction and percentage kill from initial and final CFU values. Essential for disinfection testing.

Ligation Calculator

Free online ligation calculator for molecular cloning. Determines optimal insert DNA mass based on vector length, insert length, and desired molar ratio for successful ligation reactions.