What engineering calculators are available?

AI Calculator offers 79 precision engineering calculators across 10 disciplines: Electrical (Ohm's Law, Power Factor Correction, Short Circuit Analysis, Transformer Sizing, Motor Starting, Earth Fault Loop, Lighting Lux Level, Discrimination), Cable Sizing (Voltage Drop, Current Capacity, Cable Derating, Tray Fill, Conduit Fill, Pulling Tension, Bend Radius, Cable Weight, Drum Length, Circuit Breaker, Fuse, Cable Life, Parallel Cables, Harmonic Derating, Emergency Rating), Cable Accessories (15 calculators for gland selection, lug sizing, termination), Mechanical (7 calculators), Civil (6 calculators), Chemical (6 calculators), Physics (7 calculators), Electronics (5 calculators), Hydraulics (5 calculators), and HVAC (5 calculators).

Can I export engineering calculations as PDF?

Yes, all 79 engineering calculators support professional PDF report export. Reports include a branded header with company logo, detailed input parameters, calculation results with units, a unique document reference number, timestamp, and an engineering disclaimer. You can also copy results as formatted text.

What unit conversions are supported?

AI Calculator supports 17 unit conversion categories: Length (12 units), Weight/Mass (11 units), Temperature (4 units), Area (10 units), Volume (15 units), Speed (7 units), Time (12 units), Digital Data (11 units), Energy (10 units), Pressure (9 units), Angle (6 units), Frequency (5 units), Fuel Economy (4 units), Power (6 units), Force (5 units), Cooking (10 units), and Numeral Systems (5 units).

Is the AI Calculator free to use?

Yes, AI Calculator is completely free. It includes all 79 engineering calculators, 17 unit converters, scientific calculator, financial calculator, health calculator, and programmer calculator with no registration or payment required.

What calculation modes are available?

AI Calculator offers 7 calculation modes: Engineering (79 precision calculators across 10 disciplines), Basic Calculator (arithmetic operations with AI natural language input), Unit Converter (17 categories with instant conversion), Scientific (trigonometric, logarithmic, and advanced math functions), Financial (loan EMI, SIP, compound interest, tax planning), Health (BMI, BMR, body fat percentage, calorie needs), and Programmer (hexadecimal, octal, binary conversions with bitwise AND, OR, XOR, NOT, shift operations).

⚡ Professional Grade

Engineering Calculator

79 precision calculators across 10 engineering disciplines — electrical, cables, mechanical, civil, chemical, physics, electronics, hydraulics, HVAC & accessories. Verified against IEC, BS EN & NEC standards.

79 Calculators

10 Disciplines

16 Converters

📄 PDF Reports

Length Converter

From

Loan Amount

Interest Rate (% p.a.)

Loan Term (years)

Monthly EMI —

Total Interest —

Total Payment —

Principal Amount

Annual Rate (%)

Time (years)

Compounding

Future Value —

Total Interest —

Savings Goal

Annual Return (%)

Time (years)

Monthly Savings Needed —

Total Contributed —

Interest Earned —

Current Age

Retirement Age

Current Savings

Monthly Contribution

Expected Return (%)

Retirement Fund —

Total Contributed —

Interest Earned —

Bill Amount

Tip Percentage (%)

Split Between

Tip Amount—

Total—

Per Person—

Original Price

Discount (%)

Tax Rate (%)

You Save—

After Discount—

Final (w/ Tax)—

Unit System

Weight (kg)

Height (cm)

Your BMI —

Underweight
<18.5

Normal
18.5-24.9

Overweight
25-29.9

Obese
≥30

Gender

Age

Weight (kg)

Height (cm)

Activity Level

BMR—

Maintenance—

Weight Loss—

Weight Gain—

Weight (kg)

Activity Level

Climate

Daily Water (ml)—

Cups (~250ml)—

Liters—

Gender

Waist (cm)

Neck (cm)

Height (cm)

Hip (cm, for females)

Body Fat %—

Category—

HEX 0

DEC 0

OCT 0

BIN 0

Engineering Calculator

Length Converter

Calculation History