SimpleCalc Blog

Guides, Tips &
How-Tos

Page 5 of 17

Two retirement income paths showing drawdown and annuity
Investment & Retirement|3 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|3 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|3 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|3 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|3 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|3 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|3 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|3 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|3 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|3 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|4 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|4 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|3 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|3 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|4 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|3 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|3 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|3 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
Person lifting weights with metabolic rate increase graphic
Health & Fitness|3 min read

Strength Training for Weight Loss: Why Muscles Matter

Building muscle increases your BMR so you burn more calories at rest. Learn how strength training supports weight loss and how to combine it with a calorie deficit.

20 Dec 2025Read more
Calendar showing notice period with last working day
Date, Time & Productivity|3 min read

How to Calculate Notice Periods and End Dates

One month's notice, three months' notice, and garden leave all have different end date calculations. Use our date tool to find your exact leaving date from any start date.

19 Dec 2025Read more
APR calculator comparing two loan offers
How-To Guides|4 min read

How to Use Our APR Calculator to Compare Loans

Compare the true cost of different loans by calculating their APR. Enter interest rate and fees to see which offer is genuinely cheapest over the full loan term.

18 Dec 2025Read more
Redundancy pay calculation formula with worked example
Salary & Employment|3 min read

How Redundancy Pay Is Calculated

Statutory redundancy pay depends on your age, length of service, and weekly pay. Calculate your entitlement and understand the tax treatment of redundancy payments.

17 Dec 2025Read more
Business equipment with AIA tax relief stamp
Tax & Business|3 min read

Annual Investment Allowance: Tax Relief on Business Equipment

The AIA lets businesses deduct the full cost of qualifying equipment from taxable profits. Learn the current limit, what qualifies, and how to claim the relief.

16 Dec 2025Read more
Salary increase being split between saving and spending
Personal Finance|3 min read

How to Avoid Lifestyle Inflation After a Pay Rise

Most people spend more as they earn more, keeping savings flat. Break the cycle by automating savings before lifestyle upgrades absorb your entire pay increase.

15 Dec 2025Read more