Find calculators by search, category, or browse the list below.
Body Mass Index (BMI) calculator with a visual gauge and category guidance.
Estimate daily calorie needs using Mifflin-St Jeor and activity factors.
Estimate basal metabolic rate (BMR) using the Mifflin-St Jeor formula.
Estimate a healthy weight range based on BMI thresholds (18.5-24.9).
Estimate daily water needs using a guideline in millilitres per kilogram.
Simple interest calculator for global use.
Compound interest calculator for global use.
Estimate time to reach a savings target with monthly contributions.
Estimate months to pay off debt given monthly payments and interest.
Estimate a suggested emergency fund based on monthly expenses.
Estimate monthly take-home pay after PF, professional tax, and income tax.
Compute GST amount and the inclusive or exclusive total price.
Estimate statutory gratuity based on last drawn salary and service years.
Calculate employee, employer, and total PF contributions.
Estimate credit card interest charges and minimum payment timings.
Compare loan options with EMI calculations and illustrative charts.
Model home loan EMI with prepayments and a mid-loan top-up, plus interest saved and full amortization.
Calculate top-up loan EMI on your home loan and savings versus a personal loan.
Calculate personal loan EMI with repayment schedules.
Convert credit card balances into EMI structures instantly.
Project FD maturity amounts and interest earnings.
Calculate recurring deposit maturity and interest across contributions.
Browse UK PAYE, National Insurance, and student loan calculators.
Calculate Stamp Duty for England & NI — standard, first-time buyer, and second-home rates.
Estimate PAYE income tax, National Insurance, and pension contributions.
Estimate take-home pay after UK taxes and National Insurance.
Calculate student loan repayments based on income and plan type.
Compare estimated repayments for Plan 1 and Plan 2 thresholds.
Compare take-home pay for PAYE employees and self-employed workers.
Federal and state withholding plus take-home pay estimator.
Estimate monthly mortgage payment with taxes, insurance, PMI, and HOA, plus total interest.
Estimate monthly car payment with sales tax, down payment, and trade-in, plus total interest.
Project your 401(k) balance at retirement with contributions, employer match, and growth.
Add or remove US sales tax by state, with pre-set rate pages for all 50 states.
Calculate US paycheck with federal, state, and FICA withholdings.
Estimate US take-home pay after taxes and deductions.
Compute overtime pay and total earnings.
Quick helpers for percentages, compounding, inflation, and static currency conversions.
Split expenses among any number of participants with charts and a breakdown.
Calculate inflation-adjusted values and purchasing power changes.
Advanced compound interest calculator with flexible compounding periods.
Editable placeholder rates for currency conversion without live FX calls.
Calculate percent of, percent change, and reverse percentages.
Shared conversion engine for length, weight, temperature, area, speed, and currency units.
Meters, kilometers, miles, yards, feet, and inches all handled client-side.
Kilograms, grams, pounds, and ounces with instant results.
Convert between Celsius, Fahrenheit, and Kelvin offsets precisely.
Square meters, square feet, acres, hectares, and more.
km/h, mph, m/s, and knots conversions.
Convert currencies with configurable rates.