Free Online Calculators
Fast, accurate, ad-free tools for UK mortgages, tipping, degree classifications, and more. Everything runs in your browser — no signup, no tracking.
Popular UK calculators
Our most-used tools — designed for the UK market with realistic rates, currency and rules.
UK Mortgage Calculator
£ payments, UK rates
UK Tip Calculator
Service charge & split
UK Degree Classification
First, 2:1, 2:2, 3rd
Mortgage by Amount
£25k – £1m
UK ↔ US GPA Converter
2:1 ↔ 3.7 GPA
UK Masters Calculator
Distinction / Merit / Pass
OU Degree Calculator
Open University weighting
Australian Mortgage Calculator
AUD, LMI, LVR
Canadian Mortgage Calculator
CAD, 5-year fixed
Australian Tip Calculator
Do you tip in AU?
Mortgage Calculator
Home loan payments
Tip Calculator
Split bills easily
Loan Calculator
Monthly loan payments
Compound Interest
Investment growth
Savings Goal
Reach your target
Discount Calculator
Sale price & savings
BMI Calculator
Body Mass Index
Calorie Calculator
Daily calorie needs
Body Fat Calculator
Estimate body fat
Age Calculator
Exact age in years
GPA Calculator
4.0 scale weighted
Length Converter
cm, m, miles
Weight Converter
kg, lb, oz
Temperature
°C, °F, K
Fuel Efficiency
MPG ↔ L/100km
Why choose QuickCalc?
Built for speed, privacy, and everyday usefulness.
Instant results
No loading, no waiting. Calculations run in your browser.
Fully private
Nothing you type ever leaves your device. No tracking, no accounts.
Mobile-first
Works on phone, tablet, or desktop — offline once loaded.
UK focus
Realistic UK rates and rules, not a US site with a currency swap.