HHisab.Tools
All-in-one calculator suite

Every number. Made simple.

Fast, easy-to-use calculators for money, health, math, business, conversions and everyday decisions. No signup required.

30+ tools
100% browser based
Private by design
Quick access

Most used tools

Jump directly to a calculator.

Finance

EMI Calculator

Calculate monthly loan payment, total interest and total repayment.

Monthly EMI
₹10,379
Principal₹5,00,000
Total Interest₹1,22,710
Total Payment₹6,22,710
Finance

SIP Calculator

Estimate how monthly investing can grow over time.

Estimated Future Value
₹11,61,016
Invested Amount₹6,00,000
Estimated Returns₹5,61,016
Finance

Simple Interest

Find interest and maturity amount.

Interest
₹24,000
Principal₹1,00,000
Maturity Amount₹1,24,000
Finance

Compound Interest

Calculate growth with compounding frequency.

Maturity Amount
₹1,48,986
Interest Earned₹48,986
Finance

FD Calculator

Estimate fixed deposit maturity using compound interest.

Maturity Value
₹2,44,941
Interest₹44,941
Business

GST Calculator

Add or remove GST from an amount.

Final Amount
₹1,180
Base Amount₹1,000
GST Amount₹180
Business

Discount Calculator

Find discount amount and final selling price.

Final Price
₹2,000
You Save₹500
Business

Profit & Loss

Calculate profit/loss amount and percentage.

Profit
₹250
Percentage25%
Math

Percentage Calculator

Calculate X% of a number and common percentage changes.

Result
50
Percentage10%
Value500
Answer50
Math

Ratio Calculator

Simplify a ratio and calculate proportional shares.

Simplified Ratio
2 : 3
Decimal Ratio0.6667
Health

BMI Calculator

Estimate Body Mass Index from height and weight.

BMI
22.49
CategoryNormal
General adult BMI ranges: under 18.5 underweight, 18.5–24.9 normal, 25–29.9 overweight, 30+ obesity. This is an informational calculator, not medical advice.
Health

BMR Calculator

Estimate basal metabolic rate with the Mifflin–St Jeor equation.

Estimated BMR
1,611 kcal/day
Conversion

Unit Converter

Length, weight, temperature, area, volume and more.

Converted Result
1
Date & Time

Date Difference

Find exact duration between two dates.

Difference
0 days
Approx. Weeks0
Date & Time

Age Calculator

Get exact years, months and days from a birth date.

Years
Months
Days
Everyday

Fuel Cost Calculator

Estimate trip fuel cost from distance, mileage and fuel price.

Estimated Fuel Cost
₹1,417
Fuel Needed13.89 L
Everyday

Tip Calculator

Split bills and calculate tip per person.

Per Person
₹1,100
Tip Amount₹200
Total Bill₹2,200
Business

ROI Calculator

Measure return compared with your original investment.

Return on Investment
25%
Profit / Loss₹25,000
Finance

CAGR Calculator

Find the annualized growth rate of an investment.

CAGR
9.86%
Business

Salary Calculator

Estimate monthly take-home from annual CTC using a simple deduction model.

Estimated Monthly Take-home
₹45,000
Estimated Annual Take-home₹5,40,000
Business

Break-even Calculator

Find the sales volume needed to cover fixed and variable costs.

Break-even Units
500 units
Break-even Revenue₹2,50,000
Business

Markup Calculator

Calculate selling price from cost and markup percentage.

Selling Price
₹1,250
Markup Amount₹250
Math

Percentage Change

Measure an increase or decrease between two values.

Increase
25%
Difference25
Math

Average Calculator

Enter numbers separated by commas to find their arithmetic mean.

Average
30
Count5
Total150
Math

Fraction Calculator

Add two fractions and simplify the answer.

Sum
5/6
Health

Ideal Weight Calculator

A simple adult estimate based on height and gender using the Devine formula.

Estimated Ideal Weight
65.9 kg
This is a general estimate, not a medical diagnosis or personalized health plan.
Health

Calorie Calculator

Estimate daily calorie needs from BMR and activity level.

Estimated Daily Calories
2,497 kcal/day
Health

Water Intake Calculator

Estimate a simple daily hydration target based on body weight.

Daily Water Estimate
2.28 L
Approx. Glasses (250 ml)9
A common rule-of-thumb is about 35 ml/kg/day. Needs vary with heat, activity, diet and medical conditions.
Date & Time

Countdown Calculator

See how many days remain until a target date.

Time Remaining
Date & Time

Time Duration

Calculate the duration between two times.

Duration
8h 30m
Total Minutes510
No matching calculator. Try “SIP”, “GST”, “BMI”, “salary”, “ROI”, “CAGR”, “fuel” or “countdown”.
Why Hisab.Tools

Free online calculators for everyday decisions

Hisab.Tools brings finance, business, health, math, conversion and date calculators into one clean workspace. Enter your numbers, get the result instantly, and keep moving.

Finance calculators

Estimate EMI, SIP growth, FD maturity, interest, CAGR and other common money calculations.

Business calculators

Work out GST, discounts, profit and loss, markup, ROI, salary estimates and break-even targets.

Health calculators

Use BMI, BMR, calorie, ideal-weight and hydration estimates for general informational use.

Math & conversion

Handle percentages, ratios, averages, fractions and practical unit conversions without opening another app.

Is Hisab.Tools free?Yes. The calculators are designed for free everyday use.
Do I need an account?No signup or login is required for the browser-based tools.
Is my calculation stored?The interface is built for local, browser-side calculations; do not enter sensitive personal information into any calculator.
Hisab.Tools · Calculations run locally in your browser. No account required.