Top 7 OmniCalc Competitors & Alternatives in 2025
Updated onFind more companies like OmniCalc. We've shortlisted leading alternatives and mapped their strengths, pricing, and go-to-market focus.
OmniCalc
Best for consumersOmniCalc provides a suite of free online calculators for finance, health, academics and everyday use (mortgage, loan, BMI, calories, percentages, etc.).
Starts at $0
Competitors
#1Est. 2014 • 51-200 employeesOmni Calculator
Best for consumersA large, well-known collection of thousands of free calculators covering finance, health, science and conversions.
Starts at $0
- #2Est. 2007 • 11-50 employees
Calculator.net
Best for consumersLong-established site offering a broad library of free calculators and explanation content for finance, health and math.
Starts at $0
#3Est. 2006 • 1 employeeCalculator Soup
Best for consumersFree online calculators with step‑by‑step explanations and optional widgets for businesses and publishers.
Starts at $0
- #4Est. 2007 • 1 employee
RapidTables
Best for consumersReference site with fast calculators, converters and quick‑reference tables for common technical and everyday tasks.
Starts at $0
- #5Est. 2015 • 1 employee
WebCalculators
Best for consumersA free collection of online calculators and guides covering finance, math, health and unit conversions.
Starts at $0
- #6Est. 2020 • 1 employee
BestCalculator
Best for consumersUser-focused hub offering dozens to hundreds of free calculators across finance, health, math and utilities.
Starts at $0
- #7Est. 2018 • 1 employee
Free Calcs
Best for consumersAggregator and directory of free online calculators spanning finance, health, academic and technical categories.
Starts at $0
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