Our experts
Every OnlyCalculators tool is owned by a named specialist who builds it, sources its formula and reviews its results. Meet the team that keeps the math honest.
Editorial
OnlyCalculators Editorial Team
The editors and subject specialists who build, source and maintain every OnlyCalculators tool.
Dr. Elena Vasquez , PhD Mathematician Geometry & Trigonometry Dr. Rajiv Menon , PhD Applied Mathematician Algebra & Arithmetic Dr. Hannah Brandt , PhD Statistician Statistics & Probability Dr. Tomás Okafor , PhD Physicist Classical Mechanics & Motion Dr. Mei-Ling Chen , PhD Physicist Electromagnetism, Waves & Optics Dr. Sofia Marchetti , PhD Chemist Chemistry & Solutions Dr. Daniel Osei , PhD Biologist Biology & Life Sciences Dr. Priya Anand , MD, FACP Internal Medicine Physician Clinical Health & Body Metrics Dr. Laura Schmidt , MD Cardiologist Cardiology & Vascular Health Olivia Grant , MS, RD Registered Dietitian Nutrition & Diet Dr. Marcus Bennett , DPT, CSCS Exercise Physiologist Fitness & Sports Science Dr. James Whitfield , MD Addiction Medicine Specialist Addiction & Behavioral Health Sarah Klein , CFP Certified Financial Planner Personal Finance & Lending David Nakamura , CFA Investment Analyst Investing & Retirement Michael Torres , CPA Tax Accountant Tax & Accounting Aisha Rahman , PEng Structural Engineer Construction & Structural Engineering Dr. Lukas Hoffmann , PEng, PhD Mechanical Engineer Mechanical & Automotive Engineering Dr. Nadia Petrov , PhD Physicist & Metrologist Units & Conversions Grace Mbeki , MSc Data Scientist & Educator Everyday Life & Consumer Math Dr. Erik Lindqvist , PhD Environmental Scientist Ecology & Sustainability