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Percentage, EMI, BMI, unit conversion, and other everyday calculators.
20 tools in this category
Everyday calculators cover finance, health, time, and unit conversion: percentage and discount math, EMI estimates, BMI, GST, tips, age and date differences, scientific calculations, unit conversion, and optional currency conversion.
Results are for convenience and education - not formal financial, medical, or legal advice. Currency rates, when fetched, are mid-market references and may differ from your bank.
Select a calculator below to run the numbers in your browser.
We aim for correctness, but always double-check critical financial or medical decisions with official sources or professionals.
Live rates require a network request to a rate provider when you opt in. You can also enter a manual rate for offline estimates.
20 tools in this category
Calculators
Find X% of Y, what percent X is of Y, or percent change — with live breakdown.
Calculators
Measure percent increase or decrease between two values.
Calculators
Add or reverse GST/VAT with common rate presets and optional CGST/SGST split.
Calculators
Estimate monthly EMI, total interest, and payment from principal, rate, and tenure.
Calculators
Project compound growth with optional monthly contributions.
Calculators
Build a full amortization schedule with principal and interest per payment.
Calculators
Convert between hourly, daily, weekly, monthly, and yearly pay.
Calculators
Trip fuel use and cost from distance, efficiency (L/100 or MPG), and price — with round trip and split.
Calculators
Calculate weighted GPA from course credits and letter grades.
Calculators
Sale price, savings, optional tax, and quantity totals from discount percent.
Calculators
Exact age in years, months, and days — with as-of date and next birthday.
Calculators
BMI from metric or imperial height and weight, with category and healthy range.
Calculators
Scientific keypad with trig, log, powers, degrees/radians, and history.
Calculators
Days, weeks, Y/M/D span, and business days between two calendar dates.
Calculators
Add or subtract hours, minutes, and seconds with decimal-hour output.
Calculators
Convert length, weight, volume, area, speed, data size, and temperature.
Calculators
Convert currencies with optional live mid-market rates or a manual offline rate.
Calculators
Tip presets, bill split per person, and optional rounding for dining out.
Calculators
Compare the same moment across IANA time zones with live clocks.
Calculators
Simplify ratios, scale dimensions, and preview common video/image presets.