A growing collection of free calculators and interactive tools for real estate, nonprofits, lending, and savings — built by the team behind Accounting Gnome. Use them right in your browser, no account needed.
Real Estate
Compute net operating income (NOI) and capitalization rate for a rental property.
Open tool →Estimate your full monthly payment (PITI) with taxes, insurance, HOA, and PMI.
Open tool →Nonprofit
Create donor-restricted funds, record contributions and expenses, and watch balances update live.
Try the demo →Estimate the in-kind dollar value of volunteer hours for grants and board reporting.
Open tool →Business, Lending & Savings
Monthly payment, total interest, and how much an extra payment saves you.
Open tool →Straight-line or double-declining-balance schedules for any fixed asset.
Open tool →See what your savings could grow to with regular contributions and compounding.
Open tool →Accounting Gnome turns these calculators into full, saveable modules — restricted funds, net assets, rental property, depreciation, debt, and more — built for your industry and priced from $12/mo.
Start your free trial →Most accounting software keeps your books but skips the specialized math each industry actually needs. These free tools solve one calculation at a time — no signup, no email, no catch. If you find them useful and want to save your work, generate reports, or track this all year, the full Accounting Gnome app picks up where they leave off.
Accounting Gnome