Use the NEB Tm Calculator to estimate an appropriate annealing temperature when using NEB PCR products.
Calculate DNA primer melting temperatures using NEB, SantaLucia or Wallace formulas. Free online calculator for researchers.
The NEB TM Calculator is an online tool that estimates the melting temperature (Tm) and optimal annealing temperature for PCR primers, specifically for NEB polymerases and kits.
NEB TM Calculator Online | Fast PCR Primer Tm Calculation | TMCalculator
Our FREE NEB Tm calculator 2026 answers the #1 question in PCR design: "What's my primer melting temperature?" Get exact Tm, annealing temp, GC content & oligo properties for Q5®, OneTaq®, and Phusion® polymerases.
Another great online tool from New England Biolabs INC. NEB Tm Calculator is used to estimate an appropriate annealing temperature in NEB PCR products. The tool fields are:
Professional NEB Tm Calculator for accurate PCR primer melting temperature calculation. Supports 20+ polymerases, batch processing, degenerate bases, and AI-powered protocol guidance.
Tm Calculator Use this tool when designing PCR reaction protocols to help determine the optimal annealing temperature for your amplicon. Simply input your DNA polymerase, primer concentration and your primer sequence and the Tm Calculator will guide you to successful reaction conditions.
Use this tool when designing PCR reaction protocols to help determine the optimal annealing temperature for your amplicon. Simply input your DNA polymerase, primer concentration and your primer sequence and the Tm Calculator will guide you to successful reaction conditions.
Use this tool to select another company’s product and find out which NEB product is compatible. Choose either the competitor’s product name or catalog number from the available selections, and this tool will identify the recommended NEB product.