Over the last ten years, we have been committed to providing fast, easy-to-use, precise calculators combined with accurate and factually correct information.
To do this, we pulled together a dream team of subject-matter experts to write and review our content and validate our software. These are the people behind the calculators.
Joe is the creator of Inch Calculator and has over 20 years of experience in engineering and construction. He holds several degrees and certifications.
Aditya Dua, PhD
Aditya holds a PhD in electrical engineering from Stanford University and specializes in signal processing, algorithms, and machine learning.
Ahmed Sheikh, MS
Ahmed holds a Master’s degree in electrical engineering and currently works as an electrical engineer with Energy Systems Research Laboratory.
Andrew holds a Bachelor's degree in Finance and a Bachelor's degree in Political Science from the University of Colorado and specializes in finance, real estate, and life insurance.
Bailey Nelson, MS
Bailey is an experienced educator and specializes in K-12 math and science. She holds a Master's degree in professional education and holds several teaching certifications.
Brian Libgober, PhD
Brian specializes in political science and statistics with several advanced degrees from Harvard.
Connor Smith, PhD
Dr. Connor Smith is a professor of electrical and computer engineering with expertise in electromagnetics, microsystems, and magnetic materials and devices.
Donna Schwontkowski, DC, MS
Dr. Donna Schwontkowski is a retired chiropractic physician with an M.S. in Nutrition and Master's in Herbology. She also has an extensive background in teaching, writing, and editing, and loves natural foods cooking and working out.
Elise Harlow, MS, RDN
Elise is a registered dietitian with a Master's degree in nutritional sciences and founder of The Flourished Table, an online nutrition coaching and consulting business.
Ethan Dederick, PhD
Ethan has a PhD in astrophysics and is currently a satellite imaging scientist. He specializes in math, science, and astrophysics.
MS, NASM, ACE
Hannah Daugherty, MS, NASM, ACE
Hannah is an NASM and ACE certified personal trainer with a Master's degree in exercise science.
Holly Smith, DO, NASM-PES
Holly is a doctor of osteopathic medicine and board-certified physician. She holds a Bachelor's in dietetics and is also an NASM certified personal trainer.
Jamie Whittenburg, DVM
Dr. Jamie Whittenburg is a practicing veterinarian with more than 16 years of experience caring for pets. Dr. Whittenburg works with cats, dogs, and small exotic animals and she has a special interest in feline medicine and surgery.
DPT, CPT, CSCS
Joseph Kelly, DPT, CPT, CSCS
Joe is a physical therapist and strength and conditioning specialist with a doctorate in of physical therapy and a strong background in strength and conditioning.
Joseph Rich, MS
Joseph Rich holds a Master's degree in finance and a Bachelor's degree in economics. He specializes in economics and investing analysis.
Kevin Weekly, PhD
Kevin Weekly holds a PhD in Electrical Engineering and Computer Science (EECS) from the University of California Berkeley and Bachelor's degrees in electrical engineering and computer science from the University of Texas.
Laura Deimling, MBA
Laura started her career in Finance a decade ago and provides strategic financial management consulting. She has an MBA in Finance and a Bachelor's in Economics.
LT Lisa Swanson
LT Lisa Swanson
Lieutenant Swanson is an officer in the Navy with a Bachelor's degree in mathematics and an extensive background in math, physics, and chemistry.
Monica Greer, PhD
Monica Greer holds a PhD in economics, a Master's in economics, and a Bachelor's in finance. She is currently a senior quantitative analyst and has published two books on cost modeling.
Pateakia Heath, PhD
Pateakia has worked in education for 15 years and has three degrees, including a PhD, Master's degree, and Bachelor's degree. She specializes in mathematics.
Richard has thirty-plus years in the financial services industry as an advisor, managing director, directors of marketing and training, and currently as a consultant to the industry.
Sarabeth Asaff South
Sarabeth Asaff South
Sarabeth is an expert in the home and garden industry and was formerly a certified kitchen and bathroom designer. She is a subject matter expert in home improvement and is often quoted in notable publications.
Chef Shannon is a menu and recipe developer, food stylist, private chef, and author of the book The All-American Lemonade Stand.
Stephen specializes in all aspects of the automotive world and has been an automotive enthusiast since childhood. He follows the global automotive industry closely, with an eye on the latest vehicle technologies.
Teresa Michelsen, PhD
Teresa is a chemistry expert with a PhD in environmental science, a Master's degree in earth, atmospheric, and planetary sciences, and Bachelor's degree in chemistry.
Zach is a former math teacher with a Master's degree in education and a Bachelor's degree in mathematics, and is currently pursuing his PhD.