Calculators
Finance, health, math, tax and loan calculators that give you the answer instantly.
Finance Calculators
Money math made simple.
Compound Interest Calculator
See how your money grows with compounding — with optional monthly contributions.
Tip Calculator
Quickly calculate the tip and split the bill across any number of people.
Discount Calculator
Calculate sale prices, percentage off, and find the original price from a discounted price.
SIP Calculator
See how a Systematic Investment Plan grows over time with compounding.
Health Calculators
Body, fitness and wellness numbers.
TDEE / Calorie Calculator
Calculate your Total Daily Energy Expenditure with the Mifflin-St Jeor formula.
BMI Calculator
Calculate your Body Mass Index and see what category you fall into.
Macro Calculator
Convert daily calories into protein, carbs and fat targets — 6 preset splits or custom.
Sleep Cycle Calculator
Find the best times to sleep or wake up based on 90-minute sleep cycles.
Pregnancy Due Date Calculator
Estimate your baby's due date by LMP, conception date or first ultrasound. Includes current week, trimester and percent complete.
Baby Age Calculator
Calculate your baby's exact age in days, weeks, months and years from their date of birth. Includes milestone reference.
Period Date Predictor (Next + Fertile Window)
Predict your next 6 periods + ovulation day + fertile window. Adjustable cycle and period length.
Pregnancy Trimester Calculator
See exactly which trimester you're in based on your last menstrual period. Includes milestones for each trimester.
Loan Calculators
EMIs, eligibility and amortisation.
Math Calculators
From basic to advanced math.
Percentage Calculator
Calculate percentages three ways — X% of Y, X is what % of Y, % change.
Statistics Calculator
Calculate mean, median, mode, std deviation, quartiles and IQR from any list of numbers.
Fraction Calculator
Add, subtract, multiply and divide fractions — auto-simplifies and shows decimal + mixed number.
Advanced Scientific Calculator (100-Key)
Free online scientific calculator with 100 keys — trig (sin/cos/tan + inverse + hyperbolic), logs, powers, calculus (d/dx, ∫, Σ, lim), special functions (Γ, erf), programmer mode (HEX/OCT/BIN + bitwise), statistics (nCr, nPr, mean), memory + history.
Tax Calculators
GST, income tax and TDS made easy.
Bangladesh
3Income Tax Calculator Bangladesh
Calculate your annual income tax in Bangladesh. Bengali language toggle available.
VAT Calculator Bangladesh
Add or strip Bangladesh VAT. Standard 15% plus multiple reduced rates (10%, 7.5%, 5%).
Salary Calculator Bangladesh
Gross to net salary calculator for Bangladesh. Income tax slabs 0-25%.
India
7Income Tax Calculator (India)
Calculate income tax for FY 2025-26 — both old and new regime, with all deductions and rebates.
FD Maturity Calculator (India)
Fixed deposit maturity calculator. Quarterly, monthly or yearly compounding. Compare maturity across banks by tweaking the rate and tenure.
HRA Exemption Calculator (India)
Calculate your House Rent Allowance exemption under Section 10(13A). Enter basic salary, HRA received and rent paid — see the exempt amount instantly.
NPS Pension Calculator (India)
National Pension System corpus + monthly pension calculator. Enter monthly contribution, age and expected return — see corpus at 60, 60% tax-free lump-sum and monthly pension.
PPF Maturity Calculator (India)
PPF maturity value calculator for any deposit, rate and tenure. Defaults to the current 7.1% rate and standard 15-year lock-in. Shows tax-free interest earned.
RD (Recurring Deposit) Calculator (India)
Recurring deposit maturity calculator. Enter monthly deposit, tenure in months and interest rate — see maturity + interest earned.
GST Calculator
Calculate GST inclusive and exclusive amounts for India instantly.
Kenya
3Income Tax Calculator Kenya
Calculate your annual PAYE (Pay As You Earn) tax in Kenya. Swahili language toggle available.
VAT Calculator Kenya
Add or strip Kenya VAT. Standard 16% plus 8% on petroleum and zero on basic food.
Salary Calculator Kenya
Gross to net salary calculator for Kenya. PAYE + NSSF + SHIF + Housing Levy.
Nigeria
3VAT Calculator Nigeria
Add or strip Nigerian VAT at 7.5%. Zero-rated categories (basic food, medical, exports) included.
Salary Calculator Nigeria
Gross to net salary calculator for Nigeria. PIT slabs + 8% pension + 2.5% NHF.
Income Tax Calculator Nigeria
Calculate your Nigerian PIT (Personal Income Tax) annually. Latest 7%–24% progressive slabs.
Pakistan
3Income Tax Calculator Pakistan
Calculate your annual income tax in Pakistan with the latest Finance Act 2024 slabs. Urdu language toggle available.
Salary Calculator Pakistan
Gross to net (in-hand) salary calculator for Pakistan. Includes income tax + EOBI deduction.
GST / Sales Tax Calculator Pakistan
Add or strip Pakistan GST (Sales Tax) at the 18% standard rate. Provincial service tax options included.
Philippines
3Income Tax Calculator Philippines
Calculate your annual income tax in the Philippines under TRAIN Law. Filipino language toggle available.
Salary Calculator Philippines
Gross to net salary calculator for the Philippines. TRAIN Law tax + SSS + PhilHealth + Pag-IBIG.
VAT Calculator Philippines
Add or strip Philippines VAT at 12%. Zero-rated for exports.
South Africa
3Salary Calculator South Africa
Gross to net salary calculator for South Africa. SARS PAYE + UIF.
VAT Calculator South Africa
Add or strip South Africa VAT at 15%. Basic-foods list zero-rated.
Income Tax Calculator South Africa
Calculate your annual income tax in South Africa using SARS's 2024-25 individual tax tables. Primary rebate applied.
Sri Lanka
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United Arab Emirates
3Income Tax Calculator UAE
The UAE does not levy personal income tax on salary. This calculator confirms zero-tax for individuals and explains the corporate tax landscape.
Salary Calculator UAE
UAE has zero personal income tax. This calculator confirms your gross = net for expat employees.
VAT Calculator UAE
Add or strip UAE VAT at 5% (one of the lowest standard rates globally).