SimpleCalc Blog

Guides, Tips &
How-Tos

Page 5 of 18

Two bank cards merging into one joint account
Comparisons & Explainers|24 min read

Joint Account vs Separate Accounts for Couples

How couples manage money affects their finances and relationship. Compare fully joint, fully separate, and hybrid approaches to find what works best for your situation.

13 Jan 2026Read more
Young couple holding keys in front of their first home
Mortgage & Home Buying|10 min read

First-Time Buyer Mortgage Guide: Everything You Need to Know

A complete step-by-step guide for first-time buyers covering deposits, mortgage types, government schemes, and how to get the best deal on your first home.

12 Jan 2026Read more
Food chart ranking items by glycaemic index
Health & Fitness|9 min read

Understanding Glycaemic Index and Weight Management

Low GI foods release energy slowly, helping control hunger and blood sugar. Learn how the glycaemic index works and which foods to prioritise for sustainable weight management.

11 Jan 2026Read more
Glass of ice water with thermometer and calorie calculation
Health & Fitness|10 min read

Does Drinking Cold Water Boost Your Metabolism?

Some claim cold water burns extra calories as your body warms it up. We examine the science behind this claim and calculate the actual metabolic impact.

10 Jan 2026Read more
Two people negotiating a price in a friendly setting
Money-Saving Tips|11 min read

How to Haggle: A British Guide to Getting Better Prices

Haggling is not just for markets. You can negotiate on everything from furniture to car insurance. Overcome the British reluctance and save money with these polite strategies.

9 Jan 2026Read more
Loan vs lease calculator comparing total vehicle costs
How-To Guides|11 min read

How to Use Our Loan vs Lease Calculator for Vehicle Decisions

Compare the total cost of financing a vehicle with a loan versus leasing it. Enter both sets of terms to see which option costs less over your intended ownership period.

8 Jan 2026Read more
Two retirement income paths showing drawdown and annuity
Investment & Retirement|9 min read

How to Withdraw From Your Pension: Drawdown vs Annuity

At retirement, you choose between flexible drawdown or a guaranteed annuity. Compare the risks, tax implications, and income each option provides for your situation.

7 Jan 2026Read more
Contractor at desk reviewing IR35 determination
Salary & Employment|10 min read

IR35 Explained: How It Affects Contractors and Freelancers

IR35 determines whether a contractor is taxed as an employee or self-employed. Read [HMRC's off-payroll working (IR35) guidance](https://www.gov.uk/guidance/understanding-off-payroll-working-ir35) and use the [Check Employment Status for Tax (CEST) tool](https://www.gov.uk/guidance/check-employment-status-for-tax) to determine your status.

6 Jan 2026Read more
P11D form with benefit calculations filled in
Tax & Business|9 min read

How to Complete a P11D for Employee Benefits

Employers must report benefits in kind on a P11D form. Understand which benefits to include, how to calculate the taxable value, and the key filing deadlines.

5 Jan 2026Read more
Weekly schedule showing balanced exercise and rest days
Health & Fitness|9 min read

Recovery Days: Why Rest Is as Important as Exercise

Overtraining leads to injury, fatigue, and stalled progress. Understand how recovery works, how many rest days you need, and what active recovery looks like.

4 Jan 2026Read more
Age calculator showing precise age breakdown
How-To Guides|10 min read

How to Use Our Age Calculator for Precise Results

Enter any date of birth to see the exact age in years, months, days, and even hours. Calculate age differences, age at a future date, or age at a past event.

3 Jan 2026Read more
Fertility rate graph showing decline by age for men and women
Pregnancy & Family|7 min read

How Age Affects Fertility: What the Data Shows

Fertility declines with age for both women and men, but the timeline differs. Review the statistics, understand your options, and use our age calculator for planning.

2 Jan 2026Read more
Stepped diagram showing US marginal tax brackets
Tax & Business|7 min read

US Federal Income Tax Brackets: How They Really Work

Many Americans misunderstand marginal tax brackets. Learn how the US tax system actually works and why moving into a higher bracket does not tax all your income more.

1 Jan 2026Read more
Child's savings growing in Junior ISA to age 18
Investment & Retirement|9 min read

Junior ISA: Investing for Your Child's Future

A Junior ISA lets you save or invest tax-free for a child until they turn 18. Compare Cash and Stocks & Shares JISAs, the annual limit, and projected growth by age 18.

31 Dec 2025Read more
Birth plan template with key sections highlighted
Pregnancy & Family|10 min read

How to Build a Birth Plan That Hospitals Respect

A birth plan communicates your preferences to medical staff. Learn what to include, how to keep it concise, and why flexibility is key to a positive birth experience.

30 Dec 2025Read more
World map with clocks showing different time zones
Date, Time & Productivity|11 min read

Time Zone Converter: Never Miss a Meeting Again

Convert times across time zones instantly. Essential for remote teams, international calls, and scheduling meetings with colleagues around the world.

29 Dec 2025Read more
TDEE calculator with activity level selector
How-To Guides|8 min read

How to Use Our TDEE Calculator for Calorie Planning

Calculate your Total Daily Energy Expenditure by entering your stats and activity level. Use the result to set calorie targets for weight loss, maintenance, or gain — the [NHS recommends](https://www.nhs.uk/live-well/healthy-weight/managing-your-weight/understanding-calories/) roughly 2,500 kcal/day for men and 2,000 kcal/day for women as a baseline.

28 Dec 2025Read more
Timeline showing 25 vs 30 vs 40 year mortgage lengths
Mortgage & Home Buying|10 min read

Can You Get a Mortgage Over 40 Years?

A 40-year mortgage lowers monthly payments but dramatically increases total interest. Compare 25, 30, and 40-year terms to see the true cost of a longer loan.

27 Dec 2025Read more
Bar chart comparing returns across asset classes
Investment & Retirement|10 min read

What Is a Good Return on Investment?

Average stock market returns sit around 7-10% per year historically. Learn what returns to expect from different asset classes and how inflation affects real returns.

26 Dec 2025Read more
Children playing sports in school playground
Health & Fitness|11 min read

Back-to-School Fitness: Getting Kids Active Again

After a summer of screen time, getting children active again matters. Age-appropriate fitness ideas and healthy BMI targets to help your kids start the school year well.

25 Dec 2025Read more
Screenshot of mortgage calculator with annotated fields
How-To Guides|9 min read

How to Use Our Mortgage Calculator Step by Step

A detailed walkthrough of our mortgage calculator. Enter your loan amount, rate, and term to see monthly payments, total interest, and a full amortisation schedule.

24 Dec 2025Read more
Two savings accounts showing ISA and standard rates
Comparisons & Explainers|10 min read

ISA vs Savings Account: Where Should Your Cash Go?

Cash ISAs offer tax-free interest but sometimes at lower rates. Compare ISAs and regular savings accounts to maximise the return on your cash based on your tax position.

23 Dec 2025Read more
Laptop showing HMRC Making Tax Digital portal
Tax & Business|10 min read

Making Tax Digital: What UK Businesses Need to Know

HMRC is moving all tax reporting online through Making Tax Digital. Understand the timeline, what software you need, and how to prepare your business for MTD.

22 Dec 2025Read more
Two jars labeled emergency fund and investments
Investment & Retirement|9 min read

Emergency Fund vs Investing: Which Comes First?

Financial wisdom says build an emergency fund before investing. But is this always the right order? We analyse when it makes sense to do both simultaneously.

21 Dec 2025Read more