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Quarterly Estimated Tax Calculator
Plan 2026 federal estimated payments using annual tax, withholding, and prior-year safe harbors. See installments, due dates, and a projected…
SEP IRA Contribution Calculator
Estimate 2026 SEP IRA contribution capacity from business profit or eligible wages. Apply the correct reduced rate, compensation limit, and…
Self-Employment Tax Calculator
Estimate 2026 regular self-employment tax from net profit and your own W-2 wages. See Social Security, Medicare, and the deductible…
Roth Conversion Calculator
Compare a Roth conversion with keeping traditional funds. Include conversion tax, future tax, growth, and the opportunity cost of outside…
Solo 401(k) Contribution Calculator
Estimate 2026 solo 401(k) employee, employer, and catch-up contributions. Include other-plan deferrals and the special self-employed income limits.
Roof Replacement Cost Calculator
Estimate a roof replacement budget from measured area and your quoted prices. Separate materials, waste, labor, tear-off, tax and contingency.
Window Replacement Cost Calculator
Calculate a window replacement budget from your quoted unit prices. Group different windows and include labor, removal, finishing, tax and…
Heat Pump Savings Calculator
Compare heat-pump heating costs with gas or electric resistance. Include seasonal COP, backup heat, energy prices and the extra cost…
HVAC Replacement Cost Calculator
Build an HVAC replacement budget using your equipment and installation quote. Include extra work, permits, tax, contingency and verified incentives.
Solar Battery Payback Calculator
Estimate battery payback after charging losses, lost export credits, maintenance and replacements. Compare cash savings with your separate backup-power priorities.
Solar Loan Calculator
Calculate solar loan payments, interest and total cost. Compare cash price, financed fees, extra payments and first-year savings after debt…
Solar Lease vs Buy Calculator
Compare cash, financed solar, a lease or PPA using your offers. Include escalators, maintenance, export credits and obligations at the…
Solar Panel Cost Calculator
Build a solar installation budget from your quote. Compare price per watt, extra work, tax, contingency and the timing of…
Solar Payback Calculator
Estimate solar payback with separate import and export rates, degradation, maintenance and replacements. Compare cash recovery, discounted payback and NPV.
Credit Card Processing Fee Calculator
Calculate card processing costs from sales, transaction counts and your fee schedule. Compare effective rates, refunds, fixed charges and two…
Car Insurance Deductible Calculator
Compare actual auto quotes with separate collision and comprehensive deductibles. See premium savings, covered repair scenarios and your out-of-pocket costs.
Business Line of Credit Calculator
Estimate business credit-line interest from daily balances and dated draws. Include fees and repayments to see costs, closing debt, and…
Merchant Cash Advance Calculator
Calculate MCA net proceeds, factor-based remittance, fees, and payment timing. Compare fixed debits or sales holdbacks with clear cost assumptions.
Equipment Financing Calculator
Estimate equipment loan payments, interest, fees, and total purchase cash outlay. Compare terms using your equipment quote and down payment.
Equipment Lease vs Buy Calculator
Compare equipment lease and purchase costs over the same period, including deposits, financing, remaining debt, resale value, and present value.
SBA Loan Calculator
Estimate SBA 7(a) payments using your rate, term, and quoted fees. Compare usable funding, financed principal, monthly payments, and total…
SBA 504 Loan Calculator
Estimate SBA 504 bank and CDC payments, borrower equity, and a bank balloon. Enter each loan’s actual rates, fees, amortization,…
VA Loan Calculator
Estimate a VA purchase payment, funding fee, taxes, insurance, and HOA dues. Compare financing the fee with paying it upfront…
Student Loan Refinance Calculator
Compare private student loan refinance payments, fees and remaining interest. See term-extension effects and the limits of refinancing federal loans.