Utility Calculators
Everyday tools for quick calculations. Percentages, age, unit conversions, and more.
12 calculators available
Percentage Calculator
Calculate percentages, add/subtract percentages from values, and find percentage of a number.
Age Calculator
Calculate exact age in years, months, and days. Find age on any specific date.
Percentage Difference Calculator
Calculate the percentage change or difference between two values.
Simple & Compound Interest Calculator
Compare simple and compound interest, and see how compounding frequency changes your returns.
50/30/20 Budget Calculator
Split your monthly income into needs, wants, and savings with the popular budgeting rule.
Vehicle Depreciation Calculator
Estimate your car or bike resale value over the years, plus an insurance IDV estimate.
AC Tonnage Calculator
Find the right air conditioner size for your room based on area, sun exposure, height and occupancy.
Solar Rooftop Calculator
Estimate rooftop solar system size, PM Surya Ghar subsidy, net cost, savings and payback period.
Cable Size Calculator
Find the right cable size for an electrical load, with load current and a voltage drop check.
Electricity Bill Calculator
Estimate your monthly electricity bill from units, with editable slab rates, fixed charge and duty.
Weight Conversion Calculator
Convert between KG, Gram, Milligram, Tonne, Pound, and Ounce.
Packaging Calculator
Calculate carton dimensions and volumetric weight for shipping.
Everyday Calculation Tools
These utility calculators help with common everyday calculations. Whether you need to find a percentage, calculate your exact age, or convert units, these tools provide instant, accurate results.
Common Percentage Calculations
- What is X% of Y? Example: What is 15% of 200? Answer: 30
- X is what % of Y? Example: 30 is what % of 200? Answer: 15%
- Add X% to Y: Example: Add 18% GST to ₹100 = ₹118
- Percentage change: From ₹100 to ₹120 = 20% increase
Weight Conversion Reference
| From | To Kilograms |
|---|---|
| 1 Gram | 0.001 kg |
| 1 Tonne | 1,000 kg |
| 1 Pound | 0.453592 kg |
| 1 Ounce | 0.0283495 kg |
Tips for Using These Tools
- Bookmark frequently used calculators for quick access
- All calculations happen in your browser - no data is sent to any server
- Results can be copied for use in documents or spreadsheets