Worked example: three calculators for one decision
| Question | Calculator | Example answer |
|---|---|---|
| What will a $280,000 mortgage cost? | Mortgage calculator | $1,724 a month at 6.25% over 30 years |
| Can I afford it on $8,000 a month? | Debt-to-income calculator | Principal and interest alone is 21.6% of gross income; add tax and insurance and check it stays under the 28% guideline |
| What is left after tax? | Salary / take-home pay calculator | Depends on country; each tax calculator shows the full breakdown |
Start with a goal, not a category
Planning to Retire
Project your number, then check the accounts that get you there.
Buying a Home
Mortgage payment, purchase taxes, and whether you're ready.
Reducing Your Tax Bill
See what you actually owe, wherever you're filing.
Managing Your Weight
BMI, calories, and body composition, together.
Recently addedNew
From the blog
Symbols of Wealth Across World Cultures
From India's Lakshmi and Kamdhenu to China's Feng Shui — how different traditions represent prosperity.
Switzerland Taxes: Why Your Canton Matters
The same salary can face a 13% or 45% effective rate depending purely on where you live.
How Compound Interest Actually Works
Why starting early beats contributing more later, with a worked 30-year example.
Rent or Buy: How to Actually Decide
The real math beyond just comparing monthly payments.
Finance
SIP Calculator (India)
Mutual fund SIP returns with step-up.
EMI Calculator (India)
Home, car and personal loan EMI.
PPF Calculator (India)
PPF maturity at 7.1%, tax-free.
FD Calculator (India)
Fixed deposit maturity and TDS.
RD Calculator (India)
Recurring deposit maturity.
GST Calculator (India)
Add or remove GST at 5%, 18%, 40%.
HRA Exemption Calculator (India)
Tax-free HRA, 8 metro cities.
Gratuity Calculator (India)
Gratuity under the labour codes.
Salary Calculator
Hourly to annual, and take-home pay.
Loan Calculator
Payment schedule for any personal loan.
NewAuto Loan Calculator
Monthly payment, total interest, and 2026 average rates by credit tier.
Compound Interest Calculator
Growth with regular contributions.
Retirement Calculator
How much you need to retire.
Savings Goal Calculator
What to save monthly to hit a target.
Savings Calculator
Grow a lump sum at a fixed rate.
Tip Calculator
Split the bill and tip fairly.
Currency Converter
Convert between major world currencies.
Bank Interest Rates
Current rates — US, UK, Canada, Australia, India.
Pay Raise Calculator
New salary after a percentage raise.
Net Worth Calculator
Assets minus liabilities.
Investment Return Calculator
ROI including fees and costs.
Health
BMI Calculator
Body Mass Index, metric or imperial.
Calorie Calculator
Daily calories using the Mifflin-St Jeor equation.
Ideal Weight Calculator
Healthy weight range by height and frame.
Body Fat Calculator
US Navy method body fat estimate.
Pregnancy Due Date Calculator
Estimated due date from last period.
Everyday
Age Calculator
Exact age in years, months and days.
Percentage Calculator
Percent of a number, and percent change.
Date Difference Calculator
Years, months, and days between two dates.
GPA Calculator
Weighted or unweighted grade point average.
Unit Converter
Length, weight, temperature and volume.
Area Calculator
Rectangle area with automatic unit conversion.
Perimeter Calculator
Rectangle perimeter with automatic unit conversion.
Altitude Calculator
Pressure, temperature, and oxygen availability at any altitude.
Business
Liquidity Ratios Calculator
Current Ratio and Quick Ratio — what a lender checks first.
Working Capital Cycle Calculator
Debtor Days, Creditor Days, Inventory Days, and Cash Conversion Cycle.
Debt-to-Equity & Interest Coverage Calculator
The leverage ratios banks check before approving financing.
Stock Valuation & Return Ratios Calculator
P/E, P/B, Dividend Yield, ROE, and ROA for evaluating a stock.
Carbon Credit Value Calculator
Estimate potential carbon credit value with 2026 reference price ranges.
E-commerce & Digital Business Valuation Calculator
SDE, EBITDA, or revenue multiples from real marketplace data.
Brand Valuation Calculator
Royalty Relief method, the ISO 10668 standard practical approach.
Startup Loan Readiness Calculator
Check your DSCR against real SBA and lender thresholds.
Student
Quadratic Equation Solver
Solve ax²+bx+c=0 instantly with the discriminant shown.
Standard Deviation & Variance Calculator
Population or sample, with full methodology.
Fraction Calculator
Add, subtract, multiply, or divide fractions, auto-simplified.
Right Triangle Calculator
Solve from one angle and the hypotenuse.
USA
Income Tax Calculator
US federal income tax, IRS 2026 brackets.
NewCapital Gains Tax Calculator
Short-term, long-term, and the 3.8% NIIT surtax on stocks, crypto, or real estate.
NewCrypto Tax Calculator
Bitcoin, Ethereum, or any coin — gain/loss, cost basis, and the no-wash-sale-rule advantage.
NewW-4 Withholding Calculator
Recommended per-paycheck withholding using current IRS brackets and Child Tax Credit amounts.
PopularMortgage Calculator
Monthly payment and full amortization.
Debt-to-Income Calculator
DTI ratio for mortgage readiness.
Overtime Pay Calculator
Time-and-a-half and double-time pay under US law.
UK
Canada
Canada Income Tax Calculator
Estimate 2026 Canadian federal income tax using CRA brackets and the Basic Personal Amount credit.
Canada RRSP & TFSA Calculator
Calculate your 2026 RRSP contribution room, TFSA limit, and estimated tax savings from an RRSP contribution.
Canada Land Transfer Tax Calculator
Ontario provincial + Toronto municipal land transfer tax estimate, 2026 rates.
Australia
Australia Income Tax Calculator
Estimate 2026-27 Australian resident income tax plus the 2% Medicare levy, using current ATO brackets.
Australia Superannuation Calculator
Project your Australian superannuation balance at retirement using the current 12% Super Guarantee rate.
Australia Stamp Duty Calculator
NSW transfer duty (stamp duty) estimate, 2026 progressive rate bands.
Ireland
UAE
New Zealand
Why MyCalcKit
Always Free
Every calculator is completely free. No registration, no hidden fees, no paywall.
Twelve Countries Covered
US, UK, Canada, Australia, Germany, Switzerland, India, Ireland, UAE, Singapore, Philippines and New Zealand — each with its own dedicated section, not lumped into a generic default.
Updated for 2026
Tax and rate figures are sourced directly from the IRS, HMRC, CRA and ATO, not copied from other sites.
Instant Results
No waiting, no forms to submit — enter your numbers and see your answer immediately.
Sources
Figures on this page were checked against these official or primary sources on 30 October 2026.
Frequently Asked Questions
Is MyCalcKit free to use?
Yes, every calculator on MyCalcKit is completely free. There's no registration, no paywall, and no hidden fees.
Which countries does MyCalcKit cover?
Tax and finance calculators for the US, UK, Canada, Australia, Germany, Switzerland, India, Ireland, UAE, Singapore, the Philippines, New Zealand, South Africa, Malaysia, Pakistan, Nigeria, Kenya, and Saudi Arabia, plus region-agnostic tools like BMI, mortgage, and compound interest that work for anyone.
Is any of my data saved?
No. Every calculation runs locally in your browser. Nothing you type into a calculator is saved, logged, or sent to our servers.
How often are the tax and rate figures updated?
We check official sources — the IRS, HMRC, CRA, ATO, and national statistics offices — each time rates change, and every page shows a "Last updated" date so you know exactly how current it is.