PCR Primer Tm Calculator
Calculate a primer's melting temperature using SantaLucia nearest-neighbour thermodynamics with salt and magnesium correction…
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Science, Statistics and Everyday Utility Calculators
Unit and currency conversion, survey sample size, statistical power, confidence intervals, molarity, radioactive decay and PCR primer melting temperature.
- 8 items
Radioactive Decay and Half-life Calculator
Calculate the amount remaining after a given time from the half-life, the decay constant and mean life, and the time to decay to…
Read moreMolarity Calculator
Calculate the mass of solute to weigh for a solution, the molarity of a solution you made, or the stock volume for a dilution…
Read moreConfidence Interval Calculator
Calculate a confidence interval for a mean (t-distribution) or a proportion (Wilson score interval), with the margin of error.
Read moreStatistical Power Calculator
Find the sample size per group needed to detect a difference between two means or two proportions, and the power achieved with a…
Read moreSample Size Calculator
Calculate the survey sample size needed for a confidence level and margin of error, with finite population correction and…
Read moreCurrency Converter with Fees
Convert an amount at the mid-market rate and see what you really receive after a bank or card exchange margin and fixed fees.
Read moreUnit Conversion Calculator
Convert between metric and imperial units of length, mass, volume, area, temperature, speed, energy, pressure and data, with…
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