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Tools
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GFR Calculator
Calculate estimated GFR using the CKD-EPI formula with weight and height inputs to assess kidney function.
KVA to Amps Calculator
Calculate the current in amperes from apparent power in kVA with this easy, free online tool designed for electrical professionals and hobbyists.
DNA Calculator
Analyze DNA sequences with calculations for reverse complement, GC content, length, and melting temperature
Tzolk'in Calculator
A free online tool to calculate Tzolk'in dates from Gregorian calendar inputs, suitable for enthusiasts, students, and researchers.
FNAF Tower Defense Calculator
A free online tool that helps FNAF-themed tower defense players plan resource use, enemy waves, and upgrades for better game strategies.
Motor Oil Calculator
Quickly determine the appropriate motor oil for your vehicle with our free online calculator, ideal for car owners and maintenance professionals.
NRG to MP4 Converter
Convert NRG disc image files to MP4 video format quickly and easily with our free online tool.
AES XTS Calculator
An easy-to-use online calculator for AES XTS encryption and decryption, ideal for security professionals, developers, and students working with disk encryption standards.