
calculator.net
CalcWise
Listmargin
QuickFinCalc
Omni Calculator
Bankrate
SellerSum
free calculators for ecommerce sellers, India tax & salary, manufacturing, startups, and investing. No sign-up, runs entirely in your browser, supports 9 currencies with automatic region detection.

Website, pricing, platforms and company facts side by side.
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| Website | calcrux.com | codegres.org |
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In their own words, as submitted to SaaSHub.


Calcrux is a free calculator platform covering five areas: ecommerce seller economics (Amazon FBA, eBay, Etsy, Shopify, Walmart, Flipkart fees and profit), India business (income tax, GST, in-hand salary, PPF, NPS, EPF — FY 2025-26), manufacturing (OEE, takt time, safety stock), startup finance...
No description of Codegres.org yet.
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Calcrux and Codegres.org.
Calcrux's answer
Calcrux is used by ecommerce sellers to calculate Amazon FBA profit and marketplace fees, by manufacturers to measure OEE and equipment reliability, by investors to project SIP and lump-sum returns, by founders to model burn rate and runway, and by Indian professionals to compute salary and income tax — all free, no sign-up.
Calcrux's answer
Calcrux specialises in business operations where those tools are general-purpose. Each tool includes domain benchmarks, smart insights, and formulas verified against professional standards — not textbook approximations. We also deliver features that paid tools like Helium 10 and Jungle Scout charge for, free.
Calcrux's answer
Calcrux is a free online business calculator platform with 78+ tools for ecommerce sellers, manufacturers, startup founders, and investors. Every calculator runs instantly in your browser — covering 9 countries and 9 currencies — with no account, no paywall, and no limit. free calculators across five domains: ecommerce (Amazon FBA, Shopify profit, eBay fees), financial planning (SIP, compound interest, lump sum), manufacturing (OEE, MTBF/MTTR, takt time), India business (salary, income tax, HRA, EPF), and startup analytics (burn rate, LTV/CAC, equity dilution). Every tool runs free in your browser.
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