Our Expert Authors & Reviewers
Every calculator on Calculat is reviewed by a qualified professional. Our team includes doctors, financial analysts, engineers, and educators who verify the accuracy of every formula and guide.
Dr. Sarah Chen
MD, MPH
Board-certified physician with 12 years in preventive medicine. Reviews health, nutrition, and life-science calculators.
View reviewed calculators →James Mitchell, CFA
Chartered Financial Analyst
Former investment banker with 15 years advising on retirement and mortgage planning. Reviews finance and math calculators.
View reviewed calculators →Dr. Elena Petrova
PhD, Physics
Professor of physics with 18 years researching mechanics and thermodynamics. Reviews physics, chemistry, and engineering calculators.
View reviewed calculators →Marcus Johnson
MSc, Mathematics Educator
High-school math teacher and curriculum developer with 14 years of classroom experience. Reviews math, statistics, and education calculators.
View reviewed calculators →Priya Sharma, PE
Licensed Civil Engineer
Civil engineer specializing in construction estimation and structural design. Reviews construction, everyday, and sports calculators.
View reviewed calculators →