Calculators

A fast keyboard-friendly calculator with a running history tape you can reuse.

Trig, logs, powers, roots and factorials with degree/radian modes and a history tape.

Work out X% of Y, what percent one number is of another, and percentage change.

Calculate a tip and split the bill (and the tip) evenly across any number of people.

Add, subtract, multiply and divide fractions with simplified, mixed and decimal results.

Raise any base to any power, including negative and fractional exponents.

Find square roots and nth roots, with a simplified radical form.

Split an itemised bill across people with uneven shares, plus tax and tip.

Find the sale price and savings from a percentage or fixed discount, with tax.

Paste numbers to get mean, median, mode, range, sum and standard deviation.

Calculate your Body Mass Index from height and weight, in metric or imperial, with your healthy-weight category.

Work out the monthly payment, total interest and total cost of a loan or mortgage from the amount, rate and term.

Calculate your loan EMI with a full amortisation schedule and see how monthly prepayments cut interest and tenure.

Project the future value of a monthly SIP with optional annual step-up, and compare it against a lumpsum investment.

Work out fixed-deposit maturity and interest for any amount, rate, tenure and compounding frequency.

Estimate recurring-deposit maturity and total interest from your monthly deposit, rate and tenure.

See how a principal grows with compound interest, optional monthly contributions and any compounding frequency.

See how inflation raises future prices and erodes the purchasing power of money over time.

Find how large an emergency fund you need from your monthly expenses, and how much more to save to reach it.

Add or remove GST at any rate and see the base value, GST amount and the CGST/SGST split instantly.

Estimate your Indian income tax under the new and old regimes for FY 2025-26, and see which one saves you more.

Convert your annual CTC to monthly in-hand salary, with a breakdown of PF, professional tax and income tax.

Calculate a credit-weighted GPA or CGPA from your course grades and convert it to a percentage.