🧮 Everyday calculators
Everyday calculators for loans, tax, dates, units, percentages, BMI and more.
All Everyday calculators tools
Percentage calculator
percent-of: a% of b | what-percent: a is what % of b | change: % change from a to b | increase: b increased by a% | decrease: b decreased by a%
🧮Discount calculator
Final price after discount and optional tax.
🧮Tax / GST calculator
Add tax to a net amount, or extract it from a tax-inclusive amount. Set split=true for a CGST/SGST style half-and-half breakdown.
🧮Date difference
Years/months/days between two dates, total days and business days.
🧮Age calculator
Exact age and days until the next birthday.
🧮Time duration calculator
Add up durations written like "1d 2h 30m", "45m", "90s".
🧮Unit converter
Categories and units: length (mm, cm, m, km, in, ft, yd, mi); mass (mg, g, kg, tonne, oz, lb); volume (ml, l, m3, tsp, tbsp, floz, cup, pt, qt, gal); area (cm2, m2, ha, km2, ft2, yd2, acre, mi2); speed (m/s, km/h, mph, knot); time (ms, s, min, h, day, week); temperature (C, F, K).
🧮Currency converter
Convert using current ECB reference rates (cached 1h). Supports the currencies the provider lists, e.g. USD, EUR, INR, GBP, JPY.
🧮Barcode generator
Code128, Code39, EAN-13, EAN-8, UPC-A, ITF-14 as a PNG data URL.
🧮Random number generator
Cryptographically secure random numbers.
🧮Password generator
Strong random passwords (generated on the server and never stored).
🧮Colour converter
HEX / RGB / HSL conversions.
🧮Colour contrast checker
WCAG 2.x contrast ratio and AA/AAA results.
🧮Data size converter
Convert between decimal (KB, MB…) and binary (KiB, MiB…) units.
🧮Bandwidth / transfer-time calculator
How long does a file take at a given link speed?
🧮Loan / EMI calculator
Monthly instalment, total interest and an optional amortisation schedule.
🧮Compound interest / SIP calculator
Future value with a compounding frequency and an optional regular contribution per period (SIP-style).
🧮BMI calculator
Body Mass Index with WHO category and the healthy weight range for your height. Informational only, not medical advice.
🧮Number to words
Spell out numbers and money amounts in words, using the international (million) or Indian (lakh, crore) system.
🧮Tip & bill splitter
Work out the tip and split the bill between any number of people.
🧮Roman numeral converter
Convert numbers (1-3999) to Roman numerals and Roman numerals back to numbers.
About everyday calculators tools
Quick, accurate answers for money, dates, units and health numbers, with no spreadsheet needed. Toolsera has 21 tools in this category, including Percentage calculator, Discount calculator, Tax / GST calculator, Date difference. All of them are free, need no account, and delete uploaded files automatically after processing.
Frequently asked questions
Are the everyday calculators tools free?
Yes. Every tool in this category is free to use and needs no sign-up.
Are my files and results private?
Uploaded files are deleted automatically after processing and results are never stored.
What can I do with everyday calculators tools on Toolsera?
Everyday calculators for loans, tax, dates, units, percentages, BMI and more. There are 21 tools in this category, including Percentage calculator, Discount calculator, Tax / GST calculator, Date difference.