Capillary rise and depression calculator
Find signed equilibrium height from surface tension, contact angle, fluid density and circular tube radius.
Open calculatorWhat’s on your mind?
Find a little clarity. Search by name, or pick a category.
Something new: Internet speed test → Check your connection with a speedometer and a running bunny.
Showing 817–840 of 990 tools · Page 35 of 42
Loan prepayment comparison calculator
Compare an unchanged monthly payment with recurring extra principal and one optional lump sum.
Open calculatorLoan refinance cost comparison calculator
Compare complete remaining payment streams, upfront fees and a sustained nominal cash-flow break-even.
Open calculatorFlat versus reducing balance loan calculator
Compare two loan-interest conventions and solve the no-fee reducing rate implied by a flat installment stream.
Open calculatorEmergency reserve runway calculator
Count fully funded monthly bills using an entered reserve, income, return and expense-inflation scenario.
Open calculatorAnnual cash flow NPV calculator
Discount a signed annual cash-flow sequence while keeping year zero and later year-end amounts distinct.
Open calculatorConventional cash flow IRR calculator
Solve annual IRR from equal annual receipts or an initial investment followed by individually entered non-negative inflows.
Open calculatorUneven cash flow payback calculator
Calculate simple and discounted payback with individually entered inflows or a constant annual inflow until recovery.
Open calculatorEquivalent annual cost calculator
Convert a stated purchase, constant annual maintenance and final salvage into an equivalent yearly cost.
Open calculatorDividend and holding period total return calculator
Separate cash dividends, price change and fees for one purchase and one final sale.
Open calculatorCash versus installments present cost calculator
Compare an upfront cash price with down payment, upfront fees and a fixed monthly installment offer.
Open calculatorAverage investment return calculator
Compare arithmetic mean geometric mean and compounded total return for equal-length investment periods.
Open calculatorCustomer lifetime value calculator
Estimate lifetime revenue and gross contribution from purchase value annual frequency active years and gross margin.
Open calculatorAge calculator in years months and days
Find calendar age on a chosen date, with an explicit February 29 convention and a visible date breakdown.
Open calculatorWorking days calculator with custom holidays
Count working days with chosen weekends, endpoint rules and your own Indian state, bank or employer holiday dates.
Open calculatorAnnual step-up SIP calculator
Compare a growing monthly investment schedule with a constant assumed return and an annual contribution step-up.
Open calculatorGold grams to sovereign and price calculator
Convert Indian eight-gram gold units and compare entered quote bases, fineness and making charges in one calculation.
Open calculatorSMS character and segment calculator
Estimate GSM-7 or Unicode message segments, including extension characters, emoji code units and per-segment capacity.
Open calculatorHRA exemption calculator for tax year 2026–27
Compare the three HRA limits for an unchanged rental period under the current eight-city location rule.
Open calculatorResident rent TDS calculator for tax year 2026–27
Estimate the supported individual or HUF rent-withholding case at unchanged rent within one tax year.
Open calculatorEPF interest calculator from monthly credits
Estimate one financial year of interest from an opening EPF balance and twelve actual account credits.
Open calculatorPPF vs FD annual contribution calculator
Compare equal annual savings under explicit PPF eligible-month and monthly-compounded FD assumptions.
Open calculatorChmod permissions and umask calculator
Calculate octal permission bits, symbolic display and a separate new-object umask example.
Open calculatorTaylor and Maclaurin polynomial calculator
Generate finite Taylor polynomials for entered expressions with symbolic derivative steps, or use the existing four-function modes with analytic remainder bounds.
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